Warrenton, Virginia Water Quality Report
Water quality data for 23 water systems serving 30,696 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 86.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 860% | Above guideline |
| PFBA | 0.010 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.019 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHpA | 0.015 | 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 | 0.007 | 0.010 ug/L | 0.001 ug/L(EWG) | 75% | Within limit |
| PFNA | 0.005 | 0.010 ug/L | — | 50% | Within limit |
| PFOA | 0.045 | 0.004 ug/L | 0.090 ug/L(EWG) | 1115% | Above limit |
| PFOS | 0.031 | 0.004 ug/L | 0.300 ug/L(EWG) | 778% | Above limit |
| PFPeA | 0.017 | 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
Resolved Violations (500)
03
Apr 1, 2025 — Jun 30, 2025
03
Apr 1, 2025 — Jun 30, 2025
03
Apr 1, 2025 — Jun 30, 2025
03
Apr 1, 2025 — Jun 30, 2025
03
Apr 1, 2025 — Jun 30, 2025
+ 495 more resolved violations
Frequently Asked Questions
Is Warrenton tap water safe to drink?
Warrenton'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 Warrenton tap water?
10 contaminants have been detected in Warrenton's water supply across 23 water systems. See the full contaminant table above for details.
How can I improve my water quality in Warrenton?
Install a water filter rated for the specific contaminants found in Warrenton's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Warrenton have any water quality violations?
Yes, Warrenton currently has 66 active violations. See the violations section above for details.