A93/100
Union City Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,630 residents · Michigan
What's In Union City's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 11, 2021 – July 28, 2021Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
UNION CITY
Population Served
1,630
Water Source
Groundwater
System ID
MI0006720
Frequently Asked Questions About Union City Water
Is Union City tap water safe to drink?
Union City, Michigan tap water receives a grade of A (93/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Union City's water?
1 contaminants were tested in Union City's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Union City have any water quality violations?
Yes, Union City has 3 EPA violation(s) on record, with the most recent in 2021. Violation types include RPT, MR, MCL. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in Union City?
Union City water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.
Where does Union City's tap water come from?
Union City's drinking water is sourced from groundwater and supplied by UNION CITY. The system serves approximately 1,630 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Union City's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Union City's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Union City's water compare to other cities in Michigan?
Union City's water quality score of 93/100 earns a grade of A, which is considered excellent. This places Union City among the better-performing water systems in Michigan. Visit our Michigan state page to see how all cities in the state compare.
What should I do if I'm concerned about Union City's water quality?
If you have concerns about Union City's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (UNION CITY) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.