Union, Missouri: Is the Tap Water Safe to Drink?
2026 EPA water quality data for 11 community water systems serving 13,467+ residents. See violations, PFAS results, lead test results, and safety grades — free.
Is Union Tap Water Safe to Drink?
Union has 11 community water systems. 10 of 11 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.
Union Water Quality Overview
Union, Missouri is served by 11 community water systems providing water to approximately 13,467 residents. These systems draw from groundwater sources. Union water systems have recorded 15 health-based violations in their history, though none are currently active. Including monitoring and reporting violations, there are 179 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 11 water systems in Union
Looking for water quality data across the whole state? See our full Missouri tap water safety report covering Missouri’s EPA-regulated water systems.
Union Drinking Water: Frequently Asked Questions
Is Union, Missouri tap water safe to drink?
Union has 11 community water systems. 10 of 11 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 Union, Missouri?
11 community water systems serve Union, Missouri, providing water to approximately 13,467 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.
Does Union 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 Union drinking water?
EPA violation records for Union 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 Union?
Enter your Union 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).