Dallas, Texas Water Quality Report
Water quality data for 57 water systems serving 1,448,797 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 47.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 470% | Above guideline |
| PFBA | 0.014 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.009 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHpA | 0.006 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.018 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.005 | 0.010 ug/L | 0.001 ug/L(EWG) | 47% | Within limit |
| PFOA | 0.006 | 0.004 ug/L | 0.090 ug/L(EWG) | 158% | Above limit |
| PFOS | 0.005 | 0.004 ug/L | 0.300 ug/L(EWG) | 128% | Above limit |
| PFPeA | 0.018 | 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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Connect with a certified water treatment professional in Dallas, Texas.
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Compliance & Violations
Active Violations (69)
75
Jul 27, 2025
71
Jul 1, 2025
51
Jul 1, 2025
51
Jul 1, 2025
71
Jul 1, 2025
75
Jun 30, 2025
75
May 15, 2025
75
May 15, 2025
75
May 15, 2025
75
May 15, 2025
75
Apr 10, 2025
75
Jan 24, 2025
35
Jan 6, 2025
35
Jan 6, 2025
2E
Oct 17, 2024
4G
Oct 17, 2024
75
Oct 14, 2024
71
Jul 1, 2024
52
Oct 1, 2023
52
Oct 1, 2022
71
Jul 1, 2022
71
Jul 1, 2022
71
Jul 1, 2022
71
Jul 1, 2022
75
Apr 3, 2022
75
Apr 2, 2022
75
Apr 2, 2022
75
Apr 2, 2022
75
Apr 2, 2022
75
Apr 2, 2022
75
Apr 2, 2022
75
Apr 1, 2022
75
Mar 21, 2022
75
Mar 1, 2022
75
Feb 1, 2022
75
Jan 30, 2022
75
Jan 30, 2022
52
Jan 1, 2022
75
Jan 1, 2022
52
Jan 1, 2022
52
Jan 1, 2022
75
Dec 19, 2021
75
Dec 1, 2021
75
Nov 20, 2021
75
Nov 1, 2021
75
Oct 2, 2021
75
Oct 1, 2021
75
Oct 1, 2021
75
Sep 1, 2021
75
Sep 1, 2021
52
Jul 1, 2021
52
Jul 1, 2021
71
Jul 1, 2021
52
Jan 1, 2021
52
Jan 1, 2021
52
Jul 1, 2020
52
Jul 1, 2020
71
Jul 1, 2020
52
Jul 1, 2020
52
Jul 1, 2020
75
Jan 12, 2020
52
Jan 1, 2020
52
Jan 1, 2020
52
Jan 1, 2020
52
Jan 1, 2020
52
Jul 1, 2019
52
Jul 1, 2019
52
Jul 1, 2019
71
Jul 1, 2019
Resolved Violations (931)
72
Oct 1, 2025
72
Oct 1, 2025
3A
Aug 1, 2025 — Aug 31, 2025
71
Jul 1, 2025
02
Jul 1, 2025 — Sep 30, 2025
+ 926 more resolved violations
Frequently Asked Questions
Is Dallas tap water safe to drink?
Dallas's water has 2 contaminants detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Dallas tap water?
9 contaminants have been detected in Dallas's water supply across 57 water systems. See the full contaminant table above for details.
How can I improve my water quality in Dallas?
Install a water filter rated for the specific contaminants found in Dallas's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Dallas have any water quality violations?
Yes, Dallas currently has 425 active violations. See the violations section above for details.