Poolesville, Maryland Water Quality Report
Water quality data for 1 water system serving 6,005 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 41.1 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 411% | 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 |
| PFHpA | 0.005 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.010 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.007 | 0.010 ug/L | 0.001 ug/L(EWG) | 69% | Within limit |
| PFOA | 0.005 | 0.004 ug/L | 0.090 ug/L(EWG) | 135% | Above limit |
| PFOS | 0.006 | 0.004 ug/L | 0.300 ug/L(EWG) | 163% | Above limit |
| PFPeA | 0.015 | 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 (10)
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Resolved Violations (134)
03
Apr 1, 2021 — Jun 30, 2021
03
Apr 1, 2021 — Jun 30, 2021
03
Apr 1, 2021 — Jun 30, 2021
03
Jan 1, 2021 — Dec 31, 2023
23
Jul 1, 2015 — Jul 31, 2015
+ 129 more resolved violations
Frequently Asked Questions
Is Poolesville tap water safe to drink?
Poolesville'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 Poolesville tap water?
9 contaminants have been detected in Poolesville's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Poolesville?
Install a water filter rated for the specific contaminants found in Poolesville's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Poolesville have any water quality violations?
Yes, Poolesville currently has 10 active violations. See the violations section above for details.