Water Quality in MATAGORDA, TX (77457)

EPA violation data for public water systems serving ZIP code 77457.

152

Total Violations

142

Health-Based

Monitoring / Reporting

152

Resolved

What does this mean?

152 of 152 violations have been resolved. 142 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 10 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: 11 Population served: 2,131

Violations Detail (152 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
TTHM	Health-Based	N/A	0.137	Jun 30, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Jun 30, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.074	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.074	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.074	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.074	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.131	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.131	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.131	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.131	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.132	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.132	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.132	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.132	Dec 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.068	Dec 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.068	Dec 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.068	Dec 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.068	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.142	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.142	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.142	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.142	Sep 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.065	Sep 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.065	Sep 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.065	Sep 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.065	Sep 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.063	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Jun 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.063	Jun 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.063	Jun 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.063	Jun 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.109	Mar 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.109	Mar 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.109	Mar 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.109	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.191	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.191	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.191	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.191	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.221	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.221	Dec 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.123	Dec 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.123	Dec 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.123	Dec 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.123	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.221	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.221	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.215	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.215	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.215	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.215	Sep 30, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.117	Sep 30, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.117	Sep 30, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.117	Sep 30, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.117	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.214	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.214	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.214	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.214	Jun 30, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.124	Jun 30, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.124	Jun 30, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.124	Jun 30, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.124	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.183	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.095	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.183	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.095	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.095	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.095	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.095	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.183	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.183	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.183	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.182	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.094	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.094	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.094	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.094	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.094	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.182	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.182	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.182	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.182	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.165	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.165	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.165	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.165	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.165	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.099	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.099	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.099	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.099	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.099	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.086	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.142	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.142	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.142	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.142	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.142	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.086	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.086	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.086	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.086	Jun 30, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 23, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	May 23, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 23, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	May 23, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	May 23, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	May 23, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 23, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	May 23, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.078	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Mar 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.078	Mar 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.078	Mar 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.078	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Mar 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.078	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.152	Mar 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 28, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 28, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.063	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.126	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.126	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.063	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.126	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.126	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.126	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.063	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.063	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.063	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.127	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.127	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.127	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.127	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.141	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.141	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.141	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.141	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.07	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.07	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.07	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.07	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.089	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.089	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.089	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.089	Mar 31, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(10)

TTHM

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

Total Haloacetic Acids (HAA5)

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

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

2024(32)

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Jun 30Resolved

Total Haloacetic Acids (HAA5)

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

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

How Does This Compare?

MATAGORDA (77457) has 152 recorded violations, including 142 health-based. All violations have been resolved, which is a positive sign for current water quality. 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.

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 →

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

Water Quality in MATAGORDA, TX (77457)

What does this mean?

Violations Detail (152 total)

Lead & Copper Levels

Violation Timeline

2025(10)

2024(32)

2023(34)

2022(50)

2021(26)

How Does This Compare?

Recommended Water Filters

Activated Carbon Filter

Nearby ZIP Codes

Check Another ZIP Code