St. Helens, Oregon Water Quality Report
Water quality data for 7 water systems serving 18,172 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFBS | 0.015 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 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 St. Helens, Oregon.
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Be the first to know when water quality changes in St. Helens.
Compliance & Violations
Active Violations (17)
71
Jul 1, 2025
56
Jul 1, 2025
71
Jul 1, 2025
52
Jul 1, 2025
56
Jul 1, 2025
75
Jun 21, 2025
75
Jun 21, 2025
57
Apr 1, 2025
65
Dec 11, 2024
72
Oct 1, 2024
72
Oct 1, 2024
71
Jul 1, 2024
71
Jul 1, 2024
72
Oct 1, 2023
72
Oct 1, 2023
71
Jul 1, 2023
71
Jul 1, 2023
Resolved Violations (483)
1A
Sep 1, 2025 — Sep 30, 2025
1A
Sep 1, 2025 — Sep 30, 2025
71
Jul 1, 2025
3A
May 1, 2025 — May 31, 2025
75
Apr 10, 2025
+ 478 more resolved violations
Frequently Asked Questions
Is St. Helens tap water safe to drink?
St. Helens's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in St. Helens tap water?
1 contaminants have been detected in St. Helens's water supply across 7 water systems. See the full contaminant table above for details.
How can I improve my water quality in St. Helens?
Install a water filter rated for the specific contaminants found in St. Helens's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does St. Helens have any water quality violations?
Yes, St. Helens currently has 36 active violations. See the violations section above for details.