Ann Arbor Tap Water Quality Report
Ann Arbor's water has 1 contaminant above EPA MCLGs. Consider using a certified water filter for additional protection.
Utility
ANN ARBOR
People Served
118,017
MCL Violations
0
Last Updated
Is Ann Arbor Tap Water Safe to Drink?
Ann Arbor's water has 1 contaminant above EPA health-based guidelines (MCLGs). While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
The data below shows test results from ANN ARBOR, which serves 118,017 people in the Ann Arbor area. Water quality testing is conducted regularly and reported to the EPA. This report was last updated 2025-10-13.
Ann Arbor Water Quality Test Results
Key Water Quality Metrics
Contaminants Detected
⚠️ Contaminants Above EPA MCLG (1)
Bromate
What is Bromate?
Bromate is a chemical compound that can form in drinking water when bromide, a naturally occurring element, reacts with ozone during water treatment. It is a colorless, odorless, and tasteless compound that is soluble in water.
Health Effects
Bromate is classified as a possible human carcinogen. Long-term exposure to bromate in drinking water may increase the risk of developing cancer. It can also cause kidney damage and other health issues.
Affected Organs
Common Sources
Understanding the Data
This data comes from your local water utility testing. The bar charts compare detected levels against EPA's Maximum Contaminant Level Goal (MCLG). Contaminants above the MCLG are shown by default and may require filtration. All other tested contaminants are within safe levels and can be viewed by expanding the section above.
Recommended Water Filters for Ann Arbor
Based on Ann Arbor's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.

Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
1,2 Dichlorobenzene, 1,4 Dichlorobenzene, 2,4-D, Asbestos, Atrazine +14 more

Whirlpool Corporation
W11569861
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.52 gpm
Removes 22 contaminants:
1,2 Dichlorobenzene, 1,2,4 Trichlorobenzene, 1,4 Dichlorobenzene, 2,4-D, Asbestos +17 more

iSpring Water Systems LLC
RCC7
NSF Certified:
Daily Production
21.04 gpd
Removes 1 contaminants:
Total Dissolved Solids

iSpring Water Systems LLC
RCC7-BLK
NSF Certified:
Daily Production
25.41 gpd
Removes 9 contaminants:
Asbestos, Barium, Cadmium, Chromium (Total), Copper +4 more
Test Your Water Quality
Professional laboratory testing provides accurate, detailed analysis of your drinking water.

SimpleLab
Standard Home Water Test
$232
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

SimpleLab
Advanced Home Water Test
$369
Most comprehensive home water test including all standard tests plus additional parameters for ultimate peace of mind.

Tap Score
Advanced Microplastics Test
$636
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
Frequently Asked Questions About Ann Arbor Tap Water
Ann Arbor's water has 1 contaminant above EPA MCLGs. While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.