Moscow, Idaho Water Quality Report
Water quality data for 8 water systems serving 35,143 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (48)
4H
Jul 2, 2025
4H
Jul 2, 2025
66
Apr 1, 2018
66
Apr 1, 2018
75
Mar 7, 2018
75
Mar 7, 2018
75
Mar 7, 2018
75
Mar 7, 2018
75
Mar 7, 2018
75
Mar 7, 2018
75
Mar 7, 2018
75
Mar 7, 2018
66
Dec 30, 2016
66
Dec 30, 2016
75
Apr 5, 2015
75
Apr 5, 2015
75
Dec 5, 2014
75
Dec 5, 2014
52
Oct 1, 2014
52
Oct 1, 2014
76
May 21, 2013
76
May 21, 2013
75
Apr 21, 2013
75
Apr 21, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
45
Apr 17, 2013
52
Oct 1, 2011
Resolved Violations (452)
27
Jan 1, 2025 — Dec 31, 2025
27
Jan 1, 2025 — Dec 31, 2025
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
+ 447 more resolved violations
Frequently Asked Questions
Is Moscow tap water safe to drink?
Moscow'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 Moscow tap water?
0 contaminants have been detected in Moscow's water supply across 8 water systems. See the full contaminant table above for details.
How can I improve my water quality in Moscow?
Install a water filter rated for the specific contaminants found in Moscow's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Moscow have any water quality violations?
Yes, Moscow currently has 52 active violations. See the violations section above for details.