Moscow, Idaho: Is the Tap Water Safe to Drink?
2026 EPA water quality data for 10 community water systems serving 35,307+ residents. See violations, PFAS results, lead test results, and safety grades — free.
Is Moscow Tap Water Safe to Drink?
Moscow has 10 community water systems. 9 of 10 graded systems meet all EPA standards (grade A or B), while 1 has recorded violations. No active health-based violations are currently open. Check individual system reports below for specifics.
Moscow Water Quality Overview
Moscow, Idaho is served by 10 community water systems providing water to approximately 35,307 residents. These systems draw from groundwater sources. Moscow water systems have recorded 8 health-based violations in their history, though none are currently active. Including monitoring and reporting violations, there are 145 total violations on record.
Find Your Water System
Search by ZIP code to find your exact water provider and see its full EPA report.
All 10 water systems in Moscow
Looking for water quality data across the whole state? See our full Idaho tap water safety report covering Idaho’s EPA-regulated water systems.
Moscow Drinking Water: Frequently Asked Questions
Is Moscow, Idaho tap water safe to drink?
Moscow has 10 community water systems. 9 of 10 graded systems meet all EPA standards (grade A or B), while 1 has recorded violations. No active health-based violations are currently open. Check individual system reports below for specifics.
How many water utilities serve Moscow, Idaho?
10 community water systems serve Moscow, Idaho, providing water to approximately 35,307 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.
Does Moscow tap water have lead?
Lead in drinking water typically enters from old pipes and fixtures inside homes and buildings, not from the treatment plant. The EPA requires water systems to monitor for lead under the Lead and Copper Rule. Click any water system above to see its most recent 90th-percentile lead test results. Homes built before 1986 are most likely to have lead plumbing components.
What contaminants have been found in Moscow drinking water?
EPA violation records for Moscow water systems are listed on each utility's report page. Common regulated contaminants include disinfection byproducts (TTHMs, HAA5), coliform bacteria, nitrates, and lead. Click any utility above to see its full violation history going back 10 years.
How do I find out which water company serves my address in Moscow?
Enter your Moscow ZIP code in the search box at the top of this page. ClearWater will identify the specific water system serving your area and show you its EPA violation history, lead test results, and an overall safety grade. You can also check your water bill or your utility's annual Consumer Confidence Report (CCR).