Portland, Oregon Water Quality Report
Water quality data for 31 water systems serving 754,897 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (23)
65
Sep 11, 2025
71
Jul 1, 2025
51
Jul 1, 2025
71
Jul 1, 2025
56
Jul 1, 2025
71
Jul 1, 2025
51
Jul 1, 2025
71
Jul 1, 2025
71
Jul 1, 2025
75
May 1, 2025
75
May 1, 2025
75
May 1, 2025
75
Apr 10, 2025
2E
Oct 17, 2024
72
Oct 1, 2024
71
Jul 1, 2024
58
Apr 1, 2024
58
Apr 1, 2024
58
Apr 1, 2024
58
Apr 1, 2024
58
Apr 1, 2024
58
Apr 1, 2024
52
Jan 1, 2024
Resolved Violations (477)
3A
Sep 1, 2025 — Sep 30, 2025
3A
Sep 1, 2025 — Sep 30, 2025
27
Sep 1, 2025 — Sep 30, 2025
19
Aug 1, 2025 — Aug 31, 2025
3A
Aug 1, 2025 — Aug 31, 2025
+ 472 more resolved violations
Frequently Asked Questions
Is Portland tap water safe to drink?
Portland's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Portland tap water?
0 contaminants have been detected in Portland's water supply across 31 water systems. See the full contaminant table above for details.
How can I improve my water quality in Portland?
Install a water filter rated for the specific contaminants found in Portland's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Portland have any water quality violations?
Yes, Portland currently has 129 active violations. See the violations section above for details.