Water Quality in CONROE, TX (77305)

EPA violation data for public water systems serving ZIP code 77305.

203

Total Violations

Health-Based

172

Monitoring / Reporting

201

Resolved

What does this mean?

201 of 203 violations have been resolved. 31 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 172 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: 79 Population served: 137,507

Violations Detail (203 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Public Notice	Monitoring	N/A	N/A	Aug 10, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
Arsenic	Health-Based	N/A	0.011	Dec 31, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Dec 31, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Dec 31, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Dec 31, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	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	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
Arsenic	Health-Based	N/A	0.012	Sep 30, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Sep 30, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Sep 30, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Sep 30, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 30, 2024	Resolved	N/A
Arsenic	Health-Based	N/A	0.011	Jun 30, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Jun 30, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Jun 30, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Jun 30, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Public Notice	Monitoring	N/A	N/A	Feb 16, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 16, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 26, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 26, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 26, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 3, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 3, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 28, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 28, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 28, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 12, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 12, 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
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
Arsenic	Health-Based	N/A	0.011	Jun 30, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Jun 30, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Jun 30, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Jun 30, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 29, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 29, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 1, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 1, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Lead and Copper 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
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
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 2, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Long Term 2 Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Long Term 2 Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Long Term 2 Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Long Term 2 Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 29, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 29, 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
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
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
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
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
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
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
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
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
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
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
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
Public Notice	Monitoring	N/A	N/A	Jul 3, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 3, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 3, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 3, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 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
Chlorine	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 24, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(6)

Public Notice

Aug 10Active

Public Notice

Apr 30Resolved

Public Notice

Apr 30Resolved

Public Notice

Apr 30Resolved

Public Notice

Apr 30Resolved

Public Notice

Apr 30Resolved

2024(42)

Arsenic

Dec 31Resolved

Arsenic

Dec 31Resolved

Arsenic

Dec 31Resolved

Arsenic

Dec 31Resolved