Water Quality in CHICO, TX (76431)

EPA violation data for public water systems serving ZIP code 76431.

360

Total Violations

Health-Based

281

Monitoring / Reporting

344

Resolved

What does this mean?

344 of 360 violations have been resolved. 79 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 281 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: 4 Population served: 1,956

Violations Detail (360 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 28, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.17	Jun 30, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.102	Jun 30, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 30, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	Apr 28, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 28, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 28, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 28, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.177	Mar 31, 2025	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.111	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.111	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.111	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.177	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.177	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.106	Dec 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.106	Dec 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.106	Dec 31, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.185	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.185	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.185	Dec 31, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 30, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 30, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 28, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 28, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 22, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 22, 2024	Resolved	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	Active	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Active	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.098	Sep 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.098	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.183	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.183	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.183	Sep 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.098	Sep 30, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 26, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 26, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 26, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 26, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 26, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 26, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 26, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 26, 2024	Resolved	N/A
E. COLI	Monitoring	0	N/A	Sep 11, 2024	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Sep 11, 2024	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
Public Notice	Monitoring	N/A	N/A	Aug 23, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 23, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 17, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 17, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 16, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 16, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.098	Jun 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.098	Jun 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.098	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.196	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.196	Jun 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.196	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
Public Notice	Monitoring	N/A	N/A	Jun 15, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 15, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 4, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 4, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 26, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 26, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 26, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 26, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 1, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 1, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.072	Mar 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.072	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.147	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.147	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.147	Mar 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.072	Mar 31, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 18, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 18, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 18, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 18, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 27, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 27, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 15, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 15, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 15, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 15, 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
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
TTHM	Monitoring	N/A	N/A	Jan 15, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jan 15, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jan 15, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jan 15, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.114	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.114	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.114	Dec 31, 2023	Resolved	N/A
Lead and Copper Rule	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
Lead and Copper Rule	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
Revised Total Coliform Rule	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
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 12, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 12, 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
TTHM	Monitoring	N/A	N/A	Oct 29, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Oct 29, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Oct 29, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Oct 29, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.113	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.113	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
TTHM	Health-Based	N/A	0.113	Sep 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 12, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 12, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 12, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2023	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.103	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.103	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.103	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
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 16, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 16, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 16, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 8, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 8, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 8, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 8, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 8, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.148	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.148	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.148	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.148	Mar 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 15, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jan 2, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jan 2, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jan 2, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jan 2, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jan 2, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jan 2, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jan 2, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jan 2, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jan 2, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jan 2, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.141	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.141	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.141	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.141	Dec 31, 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
TTHM	Health-Based	N/A	0.131	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.131	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.131	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.131	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
Public Notice	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 15, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 15, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 3, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 3, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 3, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 3, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 3, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Active	N/A
TTHM	Health-Based	N/A	0.129	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.129	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.129	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.129	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
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jun 21, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 21, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 29, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 29, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 29, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 29, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 29, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 29, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 29, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 21, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 21, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 21, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 21, 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
TTHM	Health-Based	N/A	0.082	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.082	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.082	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.082	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
Public Notice	Monitoring	N/A	N/A	Feb 17, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 17, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Feb 8, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Feb 8, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Feb 8, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Feb 8, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Feb 8, 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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.083	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.083	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.083	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.083	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
Public Notice	Monitoring	N/A	N/A	Oct 1, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 1, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
TTHM	Health-Based	N/A	0.095	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
TTHM	Health-Based	N/A	0.095	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.095	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
TTHM	Health-Based	N/A	0.095	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
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
Public Notice	Monitoring	N/A	N/A	Sep 29, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 29, 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
TTHM	Monitoring	N/A	N/A	Sep 7, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 7, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 7, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 7, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 7, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 6, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 6, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 6, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 6, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 6, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 6, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 6, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Sep 6, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 6, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Sep 6, 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 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	Jul 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.093	Jun 30, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Active	N/A
TTHM	Health-Based	N/A	0.093	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.093	Jun 30, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
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
Chlorine	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
TTHM	Health-Based	N/A	0.093	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	Jun 28, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 28, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 14, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 14, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 14, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 14, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 9, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 9, 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
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 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
Chlorine	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
TTHM	Health-Based	N/A	0.103	Mar 31, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
TTHM	Health-Based	N/A	0.103	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.103	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.103	Mar 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 11, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 11, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 11, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 11, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 11, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 11, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 11, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 11, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(16)

Lead and Copper Rule

Sep 28Active

Revised Total Coliform Rule

Aug 31Resolved

TTHM

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

Public Notice

Apr 30Active

Public Notice

Apr 28Resolved

Public Notice

Apr 28Resolved

Public Notice

Apr 28Resolved

Public Notice

Apr 28Resolved

TTHM

Mar 31Resolved

Chlorine

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

2024(88)

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Public Notice

Nov 30Resolved

Public Notice

Nov 30Resolved

Public Notice

Nov 28Resolved

Public Notice

Nov 28Resolved

Public Notice

Oct 31Resolved

Public Notice

Oct 31Resolved

Public Notice

Oct 22Resolved

Public Notice

Oct 22Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Active

LEAD AND COPPER RULE REVISIONS

Oct 16Active

LEAD AND COPPER RULE REVISIONS

Oct 16Active

LEAD AND COPPER RULE REVISIONS

Oct 16Active

Total Haloacetic Acids (HAA5)

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

TTHM

Sep 26Resolved

TTHM

Sep 26Resolved

TTHM

Sep 26Resolved

TTHM

Sep 26Resolved

Total Haloacetic Acids (HAA5)

Sep 26Resolved

Total Haloacetic Acids (HAA5)

Sep 26Resolved

Total Haloacetic Acids (HAA5)

Sep 26Resolved

Total Haloacetic Acids (HAA5)

Sep 26Resolved

E. COLI

Sep 11Active

E. COLI

Sep 11Active

Public Notice

Aug 23Resolved

Public Notice

Aug 23Resolved

Public Notice

Aug 17Resolved

Public Notice

Aug 17Resolved

Public Notice

Aug 16Resolved

Public Notice

Aug 16Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

Consumer Confidence Rule

Jun 30Active

Lead and Copper Rule

Jun 30Resolved

TTHM

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Public Notice

Jun 15Resolved

Public Notice

Jun 15Resolved

Public Notice

Jun 4Resolved

Public Notice

Jun 4Resolved

TTHM

May 26Resolved

TTHM

May 26Resolved

TTHM

May 26Resolved

TTHM

May 26Resolved

Public Notice

May 1Resolved

Public Notice

May 1Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

TTHM

Mar 18Resolved

TTHM

Mar 18Resolved

TTHM

Mar 18Resolved

TTHM

Mar 18Resolved

Public Notice

Feb 27Resolved

Public Notice

Feb 27Resolved

Public Notice

Feb 15Resolved

Public Notice

Feb 15Resolved

Public Notice

Feb 15Resolved

Public Notice

Feb 15Resolved

Revised Total Coliform Rule

Jan 31Resolved

Revised Total Coliform Rule

Jan 31Resolved

Revised Total Coliform Rule

Jan 31Resolved

Revised Total Coliform Rule

Jan 31Resolved

TTHM

Jan 15Resolved

TTHM

Jan 15Resolved

TTHM

Jan 15Resolved

TTHM

Jan 15Resolved

2023(76)

Lead and Copper Rule

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Public Notice

Dec 30Resolved

Public Notice

Dec 30Resolved

Public Notice

Dec 12Resolved

Public Notice

Dec 12Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

TTHM

Oct 29Resolved

TTHM

Oct 29Resolved

TTHM

Oct 29Resolved

TTHM

Oct 29Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

TTHM

Sep 30Resolved

Public Notice

Sep 12Resolved

Public Notice

Sep 12Resolved

Public Notice

Sep 12Resolved

TTHM

Jul 31Resolved

TTHM

Jul 31Resolved

TTHM

Jul 31Resolved

TTHM

Jul 31Resolved

TTHM

Jul 31Resolved

Consumer Confidence Rule

Jun 30Active

Lead and Copper Rule

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Public Notice

May 16Resolved

Public Notice

May 16Resolved

Public Notice

May 16Resolved

TTHM

May 8Resolved

TTHM

May 8Resolved

TTHM

May 8Resolved

TTHM

May 8Resolved

TTHM

May 8Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

Public Notice

Feb 15Resolved

Public Notice

Feb 15Resolved

Public Notice

Feb 15Resolved

Total Haloacetic Acids (HAA5)

Jan 2Resolved

Total Haloacetic Acids (HAA5)

Jan 2Resolved

TTHM

Jan 2Resolved

TTHM

Jan 2Resolved

TTHM

Jan 2Resolved

TTHM

Jan 2Resolved

TTHM

Jan 2Resolved

Total Haloacetic Acids (HAA5)

Jan 2Resolved

Total Haloacetic Acids (HAA5)

Jan 2Resolved

Total Haloacetic Acids (HAA5)

Jan 2Resolved

2021(110)

Revised Total Coliform Rule

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Public Notice

Oct 1Resolved

Public Notice

Oct 1Resolved

Chlorine

Sep 30Resolved

TTHM

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

TTHM

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

Chlorine

Sep 30Resolved

Chlorine

Sep 30Resolved

Chlorine

Sep 30Resolved

Public Notice

Sep 29Resolved

Public Notice

Sep 29Resolved

Public Notice

Sep 8Resolved

Public Notice

Sep 8Resolved

Public Notice

Sep 8Resolved

Public Notice

Sep 8Resolved

TTHM

Sep 7Resolved

TTHM

Sep 7Resolved

TTHM

Sep 7Resolved

TTHM

Sep 7Resolved

TTHM

Sep 7Resolved

TTHM

Sep 6Resolved

TTHM

Sep 6Resolved

TTHM

Sep 6Resolved

Total Haloacetic Acids (HAA5)

Sep 6Resolved

Total Haloacetic Acids (HAA5)

Sep 6Resolved

Total Haloacetic Acids (HAA5)

Sep 6Resolved

Total Haloacetic Acids (HAA5)

Sep 6Resolved

Total Haloacetic Acids (HAA5)

Sep 6Resolved

TTHM

Sep 6Resolved

TTHM

Sep 6Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

TTHM

Jun 30Resolved

Consumer Confidence Rule

Jun 30Active

Consumer Confidence Rule

Jun 30Active

TTHM

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

TTHM

Jun 30Resolved

Chlorine

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Chlorine

Jun 30Resolved

Chlorine

Jun 30Resolved

Chlorine

Jun 30Resolved

TTHM

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Public Notice

Jun 28Resolved

Public Notice

Jun 28Resolved

TTHM

Jun 14Resolved

TTHM

Jun 14Resolved

TTHM

Jun 14Resolved

TTHM

Jun 14Resolved

Public Notice

Jun 9Resolved

Public Notice

Jun 9Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Chlorine

Mar 31Resolved

TTHM

Mar 31Resolved

Chlorine

Mar 31Resolved

Chlorine

Mar 31Resolved

Chlorine

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 11Resolved

Total Haloacetic Acids (HAA5)

Mar 11Resolved

Total Haloacetic Acids (HAA5)

Mar 11Resolved

Total Haloacetic Acids (HAA5)

Mar 11Resolved

TTHM

Mar 11Resolved

TTHM

Mar 11Resolved

TTHM

Mar 11Resolved

TTHM

Mar 11Resolved

How Does This Compare?

CHICO (76431) has 360 recorded violations, including 79 health-based. 16 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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Water Quality in CHICO, TX (76431)

What does this mean?

Violations Detail (360 total)

Lead & Copper Levels

Violation Timeline

2025(16)

2024(88)

2023(76)

2022(70)

2021(110)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

Activated Carbon Filter

UV Water Purifier

Nearby ZIP Codes

Check Another ZIP Code