A89/100
Auburn Hills Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 22,500 residents · Michigan
What's In Auburn Hills's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: April 14, 2023 – June 26, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 1, 2021 – February 28, 2022Rule: Stage 2 DBPREnforcement: 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
AUBURN HILLS
Population Served
21,412
Water Source
Purchased Surface Water
System ID
MI0005450
TYRONE WOODS
Population Served
1,088
Water Source
Groundwater
System ID
MI0040658
Frequently Asked Questions About Auburn Hills Water
Is Auburn Hills tap water safe to drink?
Auburn Hills, Michigan tap water receives a grade of A (89/100), which is considered excellent. Out of 72 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 2 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Auburn Hills's water?
Of the 72 contaminants tested in Auburn Hills's water supply, the most notable include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Auburn Hills have any water quality violations?
Yes, Auburn Hills has 11 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, MR, MCL. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in Auburn Hills?
Auburn Hills 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. 2 contaminant(s) exceed these stricter goals.
Where does Auburn Hills's tap water come from?
Auburn Hills's drinking water is sourced from purchased surface water and supplied by AUBURN HILLS and 1 other water system(s). The system serves approximately 22,500 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Auburn Hills'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. Auburn Hills'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 Auburn Hills's water compare to other cities in Michigan?
Auburn Hills's water quality score of 89/100 earns a grade of A, which is considered excellent. This places Auburn Hills 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 Auburn Hills's water quality?
If you have concerns about Auburn Hills'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 (AUBURN HILLS) 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.