Water Quality in VALPARAISO, IN (46383)
EPA violation data for public water systems serving ZIP code 46383.
445
Total Violations
45
Health-Based
400
Monitoring / Reporting
425
Resolved
What does this mean?
425 of 445 violations have been resolved. 45 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 400 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (445 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| E. COLI | Monitoring | 0 | N/A | Jul 18, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Groundwater Rule | Health-Based | N/A | N/A | Jul 1, 2025 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Apr 7, 2025 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Apr 7, 2025 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Apr 7, 2025 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Apr 6, 2025 | Active | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Apr 6, 2025 | Active | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Active | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Active | N/A |
| E. COLI | Monitoring | 0 | N/A | Mar 7, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Mar 7, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Mar 7, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Mar 7, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Mar 7, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Mar 7, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Dec 28, 2024 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Dec 28, 2024 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Dec 28, 2024 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Active | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Active | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Active | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Active | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2024 | Resolved | N/A |
| Nitrite | Monitoring | N/A | N/A | Apr 15, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Apr 15, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Apr 15, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Apr 15, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Groundwater Rule | Health-Based | N/A | N/A | Jan 31, 2024 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Jan 31, 2024 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Jan 31, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Sep 24, 2023 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Sep 24, 2023 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Sep 24, 2023 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Sep 24, 2023 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Aug 30, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Aug 30, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Aug 30, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Groundwater Rule | Monitoring | N/A | N/A | Aug 24, 2023 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Aug 24, 2023 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Aug 24, 2023 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Jul 4, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Jul 4, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Jul 4, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Jul 4, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Groundwater Rule | Monitoring | N/A | N/A | Jun 22, 2023 | Active | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Jun 22, 2023 | Active | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 8, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 8, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 8, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 31, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Picloram | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Chlordane | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Endrin | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Endrin | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Endrin | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| BHC-GAMMA | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| BHC-GAMMA | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| BHC-GAMMA | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Methoxychlor | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Methoxychlor | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Methoxychlor | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Diquat | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Diquat | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Diquat | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Di(2-ethylhexyl) adipate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Di(2-ethylhexyl) adipate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Di(2-ethylhexyl) adipate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| OXAMYL | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Atrazine | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Cardiovascular system or reproductive problems |
| OXAMYL | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Simazine | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Simazine | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Simazine | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Di(2-ethylhexyl) phthalate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Di(2-ethylhexyl) phthalate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Di(2-ethylhexyl) phthalate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Dinoseb | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Dinoseb | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Dinoseb | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Hexachlorocyclopentadiene | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Hexachlorocyclopentadiene | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Hexachlorocyclopentadiene | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Carbofuran | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Carbofuran | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Carbofuran | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| LASSO | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| LASSO | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| LASSO | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Heptachlor | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Heptachlor | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Heptachlor | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Heptachlor epoxide | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Heptachlor epoxide | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Heptachlor epoxide | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| 2,4-D | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| 2,4-D | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| 2,4-D | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| 2,4,5-TP | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| 2,4,5-TP | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| 2,4,5-TP | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Pentachlorophenol | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Pentachlorophenol | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Pentachlorophenol | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| 1,2-DIBROMO-3-CHLOROPROPANE | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| 1,2-DIBROMO-3-CHLOROPROPANE | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| 1,2-DIBROMO-3-CHLOROPROPANE | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| ETHYLENE DIBROMIDE | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| ETHYLENE DIBROMIDE | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| ETHYLENE DIBROMIDE | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Chlordane | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Chlordane | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| HEXACHLOROBENZENE | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Picloram | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Atrazine | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Cardiovascular system or reproductive problems |
| Atrazine | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Cardiovascular system or reproductive problems |
| Glyphosate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Glyphosate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Glyphosate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Dalapon | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Dalapon | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Dalapon | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Picloram | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Benzo(a)pyrene | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Benzo(a)pyrene | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Benzo(a)pyrene | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| HEXACHLOROBENZENE | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| HEXACHLOROBENZENE | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| OXAMYL | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Dec 28, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Dec 28, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Dec 28, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Dec 28, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Aug 17, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Aug 17, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Aug 17, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Aug 17, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Aug 17, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Mar 28, 2022 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Mar 28, 2022 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 17, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 17, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 17, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Sep 26, 2021 | Active | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Sep 26, 2021 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Sep 25, 2021 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Sep 25, 2021 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Sep 25, 2021 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Sep 25, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Sep 18, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Sep 18, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Sep 18, 2021 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Aug 12, 2021 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Aug 12, 2021 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Aug 12, 2021 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Aug 12, 2021 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 31, 2021 | Active | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 8, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 8, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 8, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Feb 24, 2021 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Feb 24, 2021 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Feb 24, 2021 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Feb 24, 2021 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
Lead & Copper Levels
Violation Timeline
2025(22)
E. COLI
34
Groundwater Rule
45
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Groundwater Rule
20
Groundwater Rule
20
Groundwater Rule
20
Groundwater Rule
20
Groundwater Rule
20
Groundwater Rule
20
Groundwater Rule
20
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
Revised Total Coliform Rule
4B
2024(66)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
E. COLI
34
E. COLI
34
E. COLI
34
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Nitrite
03
Nitrite
03
Nitrite
03
Nitrite
03
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
2023(84)
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
66
Lead and Copper Rule
66
Nitrate
03
Nitrate
03
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
E. COLI
34
E. COLI
34
E. COLI
34
Groundwater Rule
20
Groundwater Rule
20
Groundwater Rule
20
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
Groundwater Rule
20
Groundwater Rule
20
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
2022(171)
Lead and Copper Rule
66
Lead and Copper Rule
52
Lead and Copper Rule
66
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Picloram
03
Chlordane
03
Endrin
03
Endrin
03
Endrin
03
BHC-GAMMA
03
BHC-GAMMA
03
BHC-GAMMA
03
Methoxychlor
03
Methoxychlor
03
Methoxychlor
03
Toxaphene
03
Toxaphene
03
Toxaphene
03
Diquat
03
Diquat
03
Diquat
03
Di(2-ethylhexyl) adipate
03
Di(2-ethylhexyl) adipate
03
Di(2-ethylhexyl) adipate
03
OXAMYL
03
Atrazine
03
OXAMYL
03
Simazine
03
Simazine
03
Simazine
03
Di(2-ethylhexyl) phthalate
03
Di(2-ethylhexyl) phthalate
03
Di(2-ethylhexyl) phthalate
03
Dinoseb
03
Dinoseb
03
Dinoseb
03
Hexachlorocyclopentadiene
03
Hexachlorocyclopentadiene
03
Hexachlorocyclopentadiene
03
Carbofuran
03
Carbofuran
03
Carbofuran
03
LASSO
03
LASSO
03
LASSO
03
Heptachlor
03
Heptachlor
03
Heptachlor
03
Heptachlor epoxide
03
Heptachlor epoxide
03
Heptachlor epoxide
03
2,4-D
03
2,4-D
03
2,4-D
03
2,4,5-TP
03
2,4,5-TP
03
2,4,5-TP
03
Pentachlorophenol
03
Pentachlorophenol
03
Pentachlorophenol
03
1,2-DIBROMO-3-CHLOROPROPANE
03
1,2-DIBROMO-3-CHLOROPROPANE
03
1,2-DIBROMO-3-CHLOROPROPANE
03
ETHYLENE DIBROMIDE
03
ETHYLENE DIBROMIDE
03
ETHYLENE DIBROMIDE
03
Chlordane
03
Chlordane
03
HEXACHLOROBENZENE
03
Picloram
03
Atrazine
03
Atrazine
03
Glyphosate
03
Glyphosate
03
Glyphosate
03
Dalapon
03
Dalapon
03
Dalapon
03
Endothall
03
Endothall
03
Endothall
03
Picloram
03
Benzo(a)pyrene
03
Benzo(a)pyrene
03
Benzo(a)pyrene
03
HEXACHLOROBENZENE
03
HEXACHLOROBENZENE
03
OXAMYL
03
Nitrate
03
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Nitrate
03
Nitrate
03
Lead and Copper Rule
66
Lead and Copper Rule
66
Nitrate
03
Nitrate
03
Nitrate
03
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Public Notice
75
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Groundwater Rule
45
Groundwater Rule
45
Revised Total Coliform Rule
5A
Revised Total Coliform Rule
5A
Revised Total Coliform Rule
5A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
2021(102)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Nitrate
03
Nitrate
03
Nitrate
03
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Groundwater Rule
20
Groundwater Rule
20
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
Revised Total Coliform Rule
3B
Revised Total Coliform Rule
3B
Revised Total Coliform Rule
3B
Revised Total Coliform Rule
3B
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Public Notice
75
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
How Does This Compare?
VALPARAISO (46383) has 445 recorded violations, including 45 health-based. 20 remain unresolved. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.