Water Quality in DANVILLE, PA (17821)
EPA violation data for public water systems serving ZIP code 17821.
344
Total Violations
19
Health-Based
325
Monitoring / Reporting
334
Resolved
What does this mean?
334 of 344 violations have been resolved. 19 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 325 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 (344 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| E. COLI | Monitoring | 0 | N/A | Aug 17, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Aug 17, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Aug 17, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Public Notice | Monitoring | N/A | N/A | Jul 10, 2025 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 10, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 10, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 10, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 10, 2025 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Apr 10, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Oct 10, 2024 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 10, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jul 10, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jul 10, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Apr 10, 2024 | Resolved | N/A |
| CARBON, TOTAL | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | N/A |
| CARBON, TOTAL | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Feb 29, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Feb 29, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Feb 29, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Feb 29, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Feb 29, 2024 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Feb 29, 2024 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Feb 29, 2024 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Feb 29, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 10, 2024 | Resolved | N/A |
| Antimony, Total | 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 |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Barium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Increase in blood pressure |
| Barium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Increase in blood pressure |
| Barium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Increase in blood pressure |
| Barium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Increase in blood pressure |
| Cadmium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Kidney damage |
| Cadmium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Kidney damage |
| Cadmium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Kidney damage |
| Cadmium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Kidney damage |
| Chromium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Allergic dermatitis |
| Chromium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Allergic dermatitis |
| Chromium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Allergic dermatitis |
| Chromium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Allergic dermatitis |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Mercury | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Kidney damage |
| Mercury | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Kidney damage |
| Mercury | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Kidney damage |
| Mercury | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Kidney damage |
| Selenium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Hair or fingernail loss; numbness in fingers or toes; circulatory problems |
| Selenium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Hair or fingernail loss; numbness in fingers or toes; circulatory problems |
| Selenium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Hair or fingernail loss; numbness in fingers or toes; circulatory problems |
| Selenium | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Hair or fingernail loss; numbness in fingers or toes; circulatory problems |
| CYANIDE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Nerve damage or thyroid problems |
| Nitrite | 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 |
| Nitrite | 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 |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Nitrite | 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 |
| Nitrite | 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 |
| Nickel | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Nickel | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Nickel | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Nickel | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Beryllium, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Beryllium, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Beryllium, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Beryllium, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Thallium, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Thallium, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Thallium, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Thallium, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| CYANIDE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Nerve damage or thyroid problems |
| Antimony, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| CYANIDE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Nerve damage or thyroid problems |
| CYANIDE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Nerve damage or thyroid problems |
| Antimony, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Antimony, Total | 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 |
| 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 |
| Fluoride | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Public Notice | Monitoring | N/A | N/A | Nov 10, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 9, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 9, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 9, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Oct 10, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment 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 |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 10, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 10, 2023 | Resolved | N/A |
| 2,4-D | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| OXAMYL | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Dinoseb | 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 |
| Glyphosate | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Glyphosate | 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 |
| Picloram | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Picloram | 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 |
| 2,4,5-TP | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Simazine | 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 |
| Simazine | 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 |
| Pentachlorophenol | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Dinoseb | 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 |
| 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 |
| 2,4,5-TP | 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 |
| OXAMYL | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Pentachlorophenol | 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 |
| Nitrite | 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 |
| Nitrite | 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 |
| Nitrite | 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 |
| Nitrite | 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 |
| 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 |
| 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 |
| Nitrite | 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 |
| Nitrite | 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 |
| Nitrite | 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 |
| Nitrite | 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 |
| Nitrite | 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 |
| Nitrite | 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 |
| 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 |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | 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 |
| Nitrite | 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 |
| Nitrite | 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 |
| Nitrite | 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 3, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Dec 3, 2022 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 10, 2022 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Oct 31, 2022 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Oct 31, 2022 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Oct 9, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Oct 9, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Sep 16, 2022 | Active | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Sep 16, 2022 | Active | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 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 |
| 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 | Feb 28, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 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 | Jan 31, 2022 | Resolved | N/A |
| Asbestos | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Asbestos | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Asbestos | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Asbestos | 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 |
| 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 |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2021 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Consumer Confidence 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 |
| Nitrate | Monitoring | N/A | N/A | Sep 30, 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 | Sep 30, 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 | Sep 30, 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 | Sep 30, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Public Notice | Monitoring | N/A | N/A | Sep 8, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 8, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 8, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 8, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 8, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 8, 2021 | Active | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Sep 2, 2021 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 2, 2021 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 1, 2021 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 29, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 29, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 29, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 29, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 29, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 29, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 29, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 29, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 29, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 29, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 29, 2021 | Active | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 29, 2021 | Active | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | Apr 15, 2021 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | Apr 10, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Apr 10, 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 |
| Public Notice | Monitoring | N/A | N/A | Mar 20, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Mar 20, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Mar 20, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Mar 20, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Mar 10, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Mar 10, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Mar 4, 2021 | Active | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Feb 28, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2021 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(13)
E. COLI
34
E. COLI
34
E. COLI
34
Public Notice
75
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
TTHM
27
TTHM
27
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
2024(45)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Public Notice
75
Consumer Confidence Rule
72
Public Notice
75
Public Notice
75
Public Notice
75
TTHM
27
TTHM
27
TTHM
27
TTHM
27
TTHM
27
TTHM
27
TTHM
27
TTHM
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Chlorine
27
Chlorine
27
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Public Notice
75
CARBON, TOTAL
27
CARBON, TOTAL
27
Chlorine
27
Chlorine
27
Chlorine
27
Chlorine
27
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Chlorine
27
Chlorine
27
Chlorine
27
Chlorine
27
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Public Notice
75
2023(101)
Antimony, Total
03
Nitrate
03
Arsenic
03
Arsenic
03
Barium
03
Barium
03
Barium
03
Barium
03
Cadmium
03
Cadmium
03
Cadmium
03
Cadmium
03
Chromium
03
Chromium
03
Chromium
03
Chromium
03
Arsenic
03
Fluoride
03
Fluoride
03
Fluoride
03
Mercury
03
Mercury
03
Mercury
03
Mercury
03
Selenium
03
Selenium
03
Selenium
03
Selenium
03
CYANIDE
03
Nitrite
03
Nitrite
03
Arsenic
03
Nitrite
03
Nitrite
03
Nickel
03
Nickel
03
Nickel
03
Nickel
03
Beryllium, Total
03
Beryllium, Total
03
Beryllium, Total
03
Beryllium, Total
03
Thallium, Total
03
Thallium, Total
03
Thallium, Total
03
Thallium, Total
03
CYANIDE
03
Antimony, Total
03
CYANIDE
03
CYANIDE
03
Antimony, Total
03
Antimony, Total
03
Nitrate
03
Nitrate
03
Nitrate
03
Fluoride
03
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
TTHM
27
TTHM
27
TTHM
27
TTHM
27
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
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
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
TTHM
27
TTHM
27
TTHM
27
TTHM
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
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
2022(105)
2,4-D
03
OXAMYL
03
Dinoseb
03
Diquat
03
Diquat
03
Glyphosate
03
Glyphosate
03
Di(2-ethylhexyl) phthalate
03
Di(2-ethylhexyl) phthalate
03
Picloram
03
Picloram
03
Carbofuran
03
Carbofuran
03
2,4,5-TP
03
Simazine
03
Endothall
03
Endothall
03
Simazine
03
Dalapon
03
Dalapon
03
Pentachlorophenol
03
Dinoseb
03
Di(2-ethylhexyl) adipate
03
Di(2-ethylhexyl) adipate
03
Atrazine
03
Atrazine
03
2,4,5-TP
03
2,4-D
03
OXAMYL
03
Pentachlorophenol
03
Nitrate
03
Nitrite
03
Nitrite
03
Nitrite
03
Nitrite
03
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
Nitrite
03
Nitrite
03
Nitrite
03
Nitrite
03
Nitrite
03
Nitrite
03
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Nitrate
03
Nitrate
03
Nitrate
03
Nitrite
03
Nitrite
03
Nitrite
03
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Public Notice
75
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
E. COLI
34
E. COLI
34
Interim Enhanced Surface Water Treatment Rule
38
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
E. COLI
34
E. COLI
34
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
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
2021(80)
Asbestos
03
Asbestos
03
Asbestos
03
Asbestos
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
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Consumer Confidence Rule
72
Consumer Confidence Rule
72
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
Nitrate
03
Nitrite
03
Nitrite
03
Nitrite
03
Nitrite
03
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
4F
Interim Enhanced Surface Water Treatment Rule
38
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
2A
Consumer Confidence Rule
71
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
2D
Interim Enhanced Surface Water Treatment Rule
38
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
How Does This Compare?
DANVILLE (17821) has 344 recorded violations, including 19 health-based. 10 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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 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.