Water Quality in Ann Arbor, MI (48178)
EPA violation data for public water systems serving ZIP code 48178.
Past Health-Based Violations
1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 62 monitoring/reporting violations.
More violations than 93% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
37,789
Population
50
Water Systems
63
Violations (5yr)
1
Health-Based
Location
Loading map...
Water Systems Serving This Area (50)
Ann Arbor
Troy
Rochester Hills
Waterford Township
1 health-basedSouthfield
All resolvedYpsilanti Community Utility Authority
Ypsilanti Comm Utilities Auth
South Lyon, City Of
Hidden Lakes Of Green Oaks
Brummer Elementary
Sayre Elementary School
Country Acres Village
Hardy Elementary
Salem-South Lyon Dist Library
Lyon Grill
River Bank Golf Club
All resolvedKing Plaza
Cross Of Christ Church And Preschool
Mobil Mart - Dba: Shell
Family Life Community Church
All resolvedFirst Baptist Church Of South Lyon
Blake'S Lyon Township
All resolvedWalnut Creek Country Club
Erwin'S Country Store
Walgreens
All resolvedSouth Lyon Church Of Christ
All resolvedFellowship Presbyterian Church
All resolvedMoose Ridge Golf Course
Dubuc 10630-10638 Commercial Property
Mobil Gas Mart (10 Mile)
Village Medical Of Green Oak
Always Unique Childcare & Preschool
Red Apple Day Care
South Lyon Schools Trans. Ctr.
State Soft Water - South Lyon
Learning Tree
Auto Zone
Hocks Driving Range
12676 Commercial Property
Country Acres General Store
Casterline Funeral Home
Country Meadow Inn
South Lyon Tire Center
Tuffy Auto Service Center
Tuffy Muffler
Berean Bible Baptist Church
Erwin Farms
Wrapped And Scent
Serra Interiors
Lake Angela Condo Apts #3
All resolvedContaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
At high levels, nitrate can cause blue baby syndrome in infants.
A naturally occurring element that can cause cancer and other health effects at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Ann Arbor (48178) has more violations than 93% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 63.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.