A95/100
Plymouth Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 36,656 residents · Michigan
What's In Plymouth's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
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
PLYMOUTH
Population Served
9,132
Water Source
Purchased Surface Water
System ID
MI0005400
PLYMOUTH TOWNSHIP
Population Served
27,524
Water Source
Purchased Surface Water
System ID
MI0005420
Frequently Asked Questions About Plymouth Water
Is Plymouth tap water safe to drink?
Plymouth, Michigan tap water receives a grade of A (95/100), which is considered excellent. Out of 69 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 Plymouth's water?
69 contaminants were tested in Plymouth's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Plymouth have any water quality violations?
Yes, Plymouth has 10 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other. None of these are classified as health-based violations.
Do I need a water filter in Plymouth?
Plymouth 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 Plymouth's tap water come from?
Plymouth's drinking water is sourced from purchased surface water and supplied by PLYMOUTH and 1 other water system(s). The system serves approximately 36,656 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Plymouth'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. Plymouth'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 Plymouth's water compare to other cities in Michigan?
Plymouth's water quality score of 95/100 earns a grade of A, which is considered excellent. This places Plymouth 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 Plymouth's water quality?
If you have concerns about Plymouth'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 (PLYMOUTH) 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.