Westminster, Maryland Water Quality Report
Water quality data for 7 water systems serving 62,913 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFBA | 0.020 | 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 | 0.008 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.025 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.004 | 0.010 ug/L | 0.001 ug/L(EWG) | 42% | Within limit |
| PFOA | 0.012 | 0.004 ug/L | 0.090 ug/L(EWG) | 310% | Above limit |
| PFOS | 0.007 | 0.004 ug/L | 0.300 ug/L(EWG) | 173% | Above limit |
| PFPeA | 0.067 | 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 (26)
4H
Jul 2, 2025
71
Jul 1, 2025
75
Oct 28, 2021
45
Feb 21, 2021
45
Feb 21, 2021
45
Feb 21, 2021
45
Feb 21, 2021
45
Feb 21, 2021
45
Feb 21, 2021
30
Dec 15, 2009
30
Dec 15, 2009
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Unknown
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Resolved Violations (414)
4G
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
36
Dec 1, 2022 — Dec 31, 2022
+ 409 more resolved violations
Frequently Asked Questions
Is Westminster tap water safe to drink?
Westminster'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 Westminster tap water?
8 contaminants have been detected in Westminster's water supply across 7 water systems. See the full contaminant table above for details.
How can I improve my water quality in Westminster?
Install a water filter rated for the specific contaminants found in Westminster's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Westminster have any water quality violations?
Yes, Westminster currently has 26 active violations. See the violations section above for details.