Water Quality in SAN TAN VALLEY, AZ (85140)

EPA violation data for public water systems serving ZIP code 85140.

271

Total Violations

Health-Based

209

Monitoring / Reporting

264

Resolved

What does this mean?

264 of 271 violations have been resolved. 62 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 209 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.

Water systems: 3 Population served: 953

Violations Detail (271 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Public Notice	Monitoring	N/A	N/A	Jul 10, 2025	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Active	N/A
Nitrate	Monitoring	N/A	N/A	Jun 30, 2025	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	Apr 30, 2025	Active	N/A
Chlorine	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	Eye and nose irritation; stomach discomfort
Public Notice	Monitoring	N/A	N/A	Feb 26, 2025	Active	N/A
Chlorine	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Public Notice	Monitoring	N/A	N/A	Dec 19, 2024	Active	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
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
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
Public Notice	Monitoring	N/A	N/A	Jun 27, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 27, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 27, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 27, 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
Lead and Copper Rule	Monitoring	N/A	N/A	Apr 1, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Apr 1, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Active	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	57	Dec 31, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	57	Dec 31, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	57	Dec 31, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	57	Dec 31, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	57	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 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
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
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
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2023	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Eye and nose irritation; stomach discomfort
Combined Uranium	Health-Based	N/A	57	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
Combined Uranium	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	57	Sep 30, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	57	Sep 30, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	57	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	57	Sep 30, 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	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	Eye and nose irritation; stomach discomfort
Combined Uranium	Health-Based	N/A	67	Jun 30, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	67	Jun 30, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	67	Jun 30, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	67	Jun 30, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	67	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	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	Apr 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
Combined Uranium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	67	Mar 31, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	67	Mar 31, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	67	Mar 31, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	67	Mar 31, 2023	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Combined Uranium	Health-Based	N/A	67	Mar 31, 2023	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Combined Uranium	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
Public Notice	Monitoring	N/A	N/A	Feb 24, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Active	N/A
Chlorine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Eye and nose irritation; stomach discomfort
Combined Uranium	Health-Based	N/A	67	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	67	Dec 31, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	67	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	67	Dec 31, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	67	Dec 31, 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
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 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
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Public Notice	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	65	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	65	Sep 30, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	65	Sep 30, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	65	Sep 30, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	65	Sep 30, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Combined Uranium	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	Aug 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 29, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 29, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 28, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 28, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 28, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 28, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	60	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
Combined Uranium	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	60	Jun 30, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	60	Jun 30, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	60	Jun 30, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	60	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 24, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 24, 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 29, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 29, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	Apr 14, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Apr 14, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Apr 14, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Apr 14, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Combined Uranium	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	59	Mar 31, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	59	Mar 31, 2022	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	59	Mar 31, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	59	Mar 31, 2022	Resolved	N/A
Combined Uranium	Health-Based	N/A	59	Mar 31, 2022	Resolved	N/A
Combined Uranium	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
Public Notice	Monitoring	N/A	N/A	Feb 24, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 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	Health-Based	N/A	N/A	Jan 22, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jan 22, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
Combined Uranium	Health-Based	N/A	59	Dec 31, 2021	Resolved	N/A
Combined Uranium	Health-Based	N/A	59	Dec 31, 2021	Resolved	N/A
Combined Uranium	Health-Based	N/A	59	Dec 31, 2021	Resolved	N/A
Combined Uranium	Health-Based	N/A	59	Dec 31, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 2, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 2, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 12, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 12, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Combined Uranium	Health-Based	N/A	58	Sep 30, 2021	Resolved	N/A
Combined Uranium	Health-Based	N/A	58	Sep 30, 2021	Resolved	N/A
Combined Uranium	Health-Based	N/A	58	Sep 30, 2021	Resolved	N/A
Combined Uranium	Health-Based	N/A	58	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 13, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 13, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 29, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 29, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Combined Uranium	Health-Based	N/A	59	Jun 30, 2021	Resolved	N/A
Combined Uranium	Health-Based	N/A	59	Jun 30, 2021	Resolved	N/A
Combined Uranium	Health-Based	N/A	59	Jun 30, 2021	Resolved	N/A
Combined Uranium	Health-Based	N/A	59	Jun 30, 2021	Resolved	N/A
Combined Uranium	Health-Based	N/A	59	Jun 30, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jun 8, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Jun 8, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Jun 8, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 21, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 21, 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
Lead and Copper Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A
Lead and Copper Rule	Health-Based	N/A	N/A	Feb 28, 2021	Resolved	N/A
Lead and Copper Rule	Health-Based	N/A	N/A	Feb 28, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(9)

Public Notice

Jul 10Active

Consumer Confidence Rule

Jun 30Active

Nitrate

Jun 30Resolved

Public Notice

Apr 30Active

Chlorine

Feb 28Resolved

Chlorine

Feb 28Resolved

Public Notice

Feb 26Active

Chlorine

Jan 31Resolved

Chlorine

Jan 31Resolved

2024(30)

Chlorine

Dec 31Resolved

Chlorine

Dec 31Resolved

Public Notice

Dec 19Active

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved