Water Quality in Ann Arbor, MI (48105)
EPA violation data for public water systems serving ZIP code 48105.
No Health-Based Violations
None of the 40 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are20 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 79% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
37,048
Population
40
Water Systems
20
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (40)
Ann Arbor
Ypsilanti Community Utility Authority
Ypsilanti Comm Utilities Auth
Ann Arbor Township
Barton Hills
All resolvedEnchanted Oven
All resolvedChristadelphian Church
Xpo Logistics Freight Inc. Xcw
Xpo Logistics
All resolvedSpiritus Sanctus - Ann Arbor
All resolvedRolling Meadows Golf
All resolvedRadrick Farms Golf Club
Solid Rock Church
Old St. Patrick Parish
Dixboro Methodist Church
Huron Clinton Metro Auth #99
Washtenaw Food Hub
The Dixboro Project
All resolvedSisters Of Mary, Mother Of Eucharist
A & L Enterprises, Llc
Huron Hills Baptist Church
Xpo Logistics Freight Inc - Xac
Dixboro Shops At The Green
Little Farm Nursery Sch-East
Humane Society Of Huron Valley
Xpo Logistics - Warehouse
Meadowbrook Farm Learning Cent
Dixboro United Methodist
Mich.Manufactured Foundations
Oak Trails School/Daycare
Ann Arbor Country Preschool
Whatley Farms
Oak Trails School
Arbor Springs Water Co.
Romanoff'S Catering
Ron'S Roadside Bbq
Dixboro Village Shops
Matthaei Botanical Gardens
Edith'S Market
Maize And Blue Grocery
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Ann Arbor (48105) has more violations than 79% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 20, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.