Denton, Texas Water Quality Report
Water quality data for 11 water systems serving 152,022 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 28.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 280% | Above guideline |
| PFBA | 0.009 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.005 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHxA | 0.006 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFPeA | 0.006 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Active Violations (23)
75
Aug 3, 2025
75
Aug 3, 2025
75
Jun 30, 2025
75
Jun 30, 2025
75
Jun 30, 2025
75
Apr 28, 2025
75
Apr 28, 2025
75
Apr 28, 2025
75
Apr 28, 2025
75
Apr 28, 2025
75
Apr 28, 2025
4G
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
71
Jul 1, 2024
71
Jul 1, 2024
66
Dec 30, 2023
75
Jan 7, 2023
75
Jan 7, 2023
75
Jan 7, 2023
Resolved Violations (477)
27
Apr 1, 2025 — Jun 30, 2025
2E
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
+ 472 more resolved violations
Frequently Asked Questions
Is Denton tap water safe to drink?
Denton's water meets all EPA maximum contaminant levels. However, 5 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Denton tap water?
5 contaminants have been detected in Denton's water supply across 11 water systems. See the full contaminant table above for details.
How can I improve my water quality in Denton?
Install a water filter rated for the specific contaminants found in Denton's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Denton have any water quality violations?
Yes, Denton currently has 100 active violations. See the violations section above for details.