Roslyn, Washington Water Quality Report
Water quality data for 2 water systems serving 2,127 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Roslyn, Washington.
Get Water Quality Alerts
Be the first to know when water quality changes in Roslyn.
Compliance & Violations
Active Violations (5)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (15)
71
Jul 1, 2025
02
Jul 1, 2025 — Sep 30, 2025
71
Jul 1, 2018
71
Jul 1, 2017
71
Jul 1, 2015
+ 10 more resolved violations
Frequently Asked Questions
Is Roslyn tap water safe to drink?
Roslyn'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 Roslyn tap water?
0 contaminants have been detected in Roslyn's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Roslyn?
Install a water filter rated for the specific contaminants found in Roslyn's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Roslyn have any water quality violations?
Yes, Roslyn currently has 5 active violations. See the violations section above for details.