Water Quality in WISTER, OK (74966)

EPA violation data for public water systems serving ZIP code 74966.

300

Total Violations

Health-Based

205

Monitoring / Reporting

248

Resolved

What does this mean?

248 of 300 violations have been resolved. 95 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 205 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: 9 Population served: 5,307

Violations Detail (300 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 28, 2025	Active	N/A
TTHM	Monitoring	N/A	N/A	Sep 28, 2025	Active	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.064	Jun 30, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.067	Jun 30, 2025	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Active	N/A
TTHM	Health-Based	N/A	0.138	Jun 30, 2025	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2025	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2025	Active	N/A
TTHM	Monitoring	N/A	N/A	Jun 29, 2025	Active	N/A
Chlorine	Monitoring	N/A	N/A	May 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	May 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	May 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
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
TTHM	Health-Based	N/A	0.116	Mar 31, 2025	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2025	Active	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2025	Active	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2025	Active	N/A
TTHM	Health-Based	N/A	0.116	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.116	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.062	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.062	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.062	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.062	Mar 31, 2025	Resolved	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
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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Jan 31, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Jan 31, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Jan 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.097	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.097	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.097	Dec 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 7, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Oct 18, 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	Active	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Active	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	Monitoring	N/A	N/A	Sep 30, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2024	Active	N/A
TTHM	Health-Based	N/A	0.113	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.113	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.113	Sep 30, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 28, 2024	Active	N/A
TTHM	Monitoring	N/A	N/A	Sep 28, 2024	Active	N/A
Chlorine	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
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
Chlorine	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 31, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.111	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.111	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.111	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
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
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Active	N/A
TTHM	Monitoring	N/A	N/A	Jun 29, 2024	Active	N/A
TTHM	Monitoring	N/A	N/A	Jun 29, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jun 16, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jun 16, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	May 23, 2024	Active	N/A
TTHM	Health-Based	N/A	0.131	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.131	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.131	Mar 31, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 30, 2024	Active	N/A
TTHM	Monitoring	N/A	N/A	Mar 30, 2024	Active	N/A
TTHM	Health-Based	N/A	0.136	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.136	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.136	Dec 31, 2023	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Cardiovascular system or reproductive problems
Atrazine	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Cardiovascular system or reproductive problems
Glyphosate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Cardiovascular system or reproductive problems
Atrazine	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Cardiovascular system or reproductive problems
2,4-D	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 29, 2023	Active	N/A
TTHM	Monitoring	N/A	N/A	Dec 29, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	Oct 29, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	Oct 19, 2023	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2023	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Oct 1, 2023	Active	N/A
TTHM	Health-Based	N/A	0.139	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.139	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.139	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.139	Sep 30, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 28, 2023	Active	N/A
TTHM	Monitoring	N/A	N/A	Sep 28, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	Sep 3, 2023	Active	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
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.137	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.137	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
Chlorine	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	Eye and nose irritation; stomach discomfort
TTHM	Health-Based	N/A	0.137	Jun 30, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 29, 2023	Active	N/A
TTHM	Monitoring	N/A	N/A	Jun 29, 2023	Active	N/A
Chlorite	Monitoring	N/A	N/A	May 31, 2023	Resolved	Anemia; nervous system effects in infants and young children
Chlorite	Monitoring	N/A	N/A	May 31, 2023	Resolved	Anemia; nervous system effects in infants and young children
Chlorite	Monitoring	N/A	N/A	May 31, 2023	Resolved	Anemia; nervous system effects in infants and young children
Chlorite	Monitoring	N/A	N/A	May 31, 2023	Resolved	Anemia; nervous system effects in infants and young children
Public Notice	Monitoring	N/A	N/A	May 25, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	May 18, 2023	Active	N/A
TTHM	Health-Based	N/A	0.088	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.088	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.088	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.088	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.12	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.12	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.12	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
Public Notice	Monitoring	N/A	N/A	Jan 21, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jan 21, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jan 21, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jan 7, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 7, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.089	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.089	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.089	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.089	Dec 31, 2022	Resolved	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
Chlorine	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Eye and nose irritation; stomach discomfort
TTHM	Health-Based	N/A	0.116	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.116	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.116	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.083	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.083	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.083	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.083	Dec 31, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 29, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 29, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 28, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 28, 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
TTHM	Health-Based	N/A	0.093	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.093	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.093	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.093	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.112	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.112	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.112	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.083	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.083	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.083	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.083	Sep 30, 2022	Resolved	N/A
Chlorite	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	Anemia; nervous system effects in infants and young children
Chlorite	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	Anemia; nervous system effects in infants and young children
Chlorite	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	Anemia; nervous system effects in infants and young children
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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Chlorite	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	Anemia; nervous system effects in infants and young children
Chlorite	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	Anemia; nervous system effects in infants and young children
Chlorite	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	Anemia; nervous system effects in infants and young children
TTHM	Health-Based	N/A	0.092	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.092	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.092	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.092	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.105	Jun 30, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
TTHM	Health-Based	N/A	0.105	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.105	Jun 30, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Public Notice	Monitoring	N/A	N/A	Jun 7, 2022	Active	N/A
TTHM	Health-Based	N/A	0.084	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.084	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.084	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.084	Mar 31, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.086	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.086	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.086	Mar 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 29, 2022	Active	N/A
TTHM	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 22, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 22, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.102	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.102	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.102	Dec 31, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 22, 2021	Active	N/A
TTHM	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.096	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
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
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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.096	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.096	Sep 30, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 28, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 28, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 28, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 28, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 28, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 28, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 28, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 30, 2021	Active	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
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.115	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.115	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.115	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.115	Jun 30, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 29, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 29, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 29, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 27, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 27, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 27, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 27, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 30, 2021	Active	N/A
TTHM	Health-Based	N/A	0.114	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.114	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.114	Mar 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 1, 2021	Active	N/A

Lead & Copper Levels

Violation Timeline

2025(36)

Total Haloacetic Acids (HAA5)

Sep 28Active

TTHM

Sep 28Active

Total Haloacetic Acids (HAA5)

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

Consumer Confidence Rule

Jun 30Active

TTHM

Jun 30Resolved

Lead and Copper Rule

Jun 30Active

Lead and Copper Rule

Jun 30Active

TTHM

Jun 29Active

Chlorine

May 31Resolved

Chlorine

May 31Resolved

Chlorine

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Active

TTHM

Mar 31Active

TTHM

Mar 31Active

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Chlorine

Feb 28Resolved

Chlorine

Feb 28Resolved

Chlorine

Feb 28Resolved

Chlorine

Feb 28Resolved

Revised Total Coliform Rule

Feb 28Resolved

Revised Total Coliform Rule

Feb 28Resolved

Revised Total Coliform Rule

Feb 28Resolved

Revised Total Coliform Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

2024(59)

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

Public Notice

Nov 7Active

Public Notice

Oct 18Active