Cotulla, Texas Water Quality Report
Water quality data for 3 water systems serving 5,814 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 42.9 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 429% | Above guideline |
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Compliance & Violations
Active Violations (30)
52
Jul 1, 2025
52
Jul 1, 2025
75
May 1, 2025
75
May 1, 2025
52
Jan 1, 2025
52
Jan 1, 2025
52
Jan 1, 2025
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
52
Jul 1, 2024
52
Jul 1, 2024
52
Jul 1, 2024
52
Jul 1, 2024
52
Jan 1, 2024
52
Jan 1, 2024
52
Jan 1, 2024
52
Jan 1, 2024
66
Sep 29, 2023
66
Sep 29, 2023
75
Apr 11, 2012
Resolved Violations (470)
75
May 1, 2025
75
May 1, 2025
75
Feb 1, 2024
75
Feb 1, 2024
75
Feb 1, 2024
+ 465 more resolved violations
Frequently Asked Questions
Is Cotulla tap water safe to drink?
Cotulla's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Cotulla tap water?
1 contaminants have been detected in Cotulla's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Cotulla?
Install a water filter rated for the specific contaminants found in Cotulla's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Cotulla have any water quality violations?
Yes, Cotulla currently has 50 active violations. See the violations section above for details.