Parker, Colorado Water Quality Report
Water quality data for 6 water systems serving 104,687 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 29.5 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 295% | 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 | 0.003 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.012 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFOA | 0.006 | 0.004 ug/L | 0.090 ug/L(EWG) | 140% | Above limit |
| PFOS | 0.005 | 0.004 ug/L | 0.300 ug/L(EWG) | 128% | Above limit |
| PFPeA | 0.014 | 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 (2)
4H
Jul 2, 2025
4H
Jul 2, 2025
Resolved Violations (498)
5A
Jul 11, 2025
5A
Jul 11, 2025
5A
Jul 11, 2025
5A
Jul 11, 2025
27
Apr 1, 2025 — Jun 30, 2025
+ 493 more resolved violations
Frequently Asked Questions
Is Parker tap water safe to drink?
Parker'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 Parker tap water?
8 contaminants have been detected in Parker's water supply across 6 water systems. See the full contaminant table above for details.
How can I improve my water quality in Parker?
Install a water filter rated for the specific contaminants found in Parker's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Parker have any water quality violations?
Yes, Parker currently has 13 active violations. See the violations section above for details.