Water Quality in Ann Arbor, MI (48198)

EPA violation data for public water systems serving ZIP code 48198.

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.

More violations than 29% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

39,244

Population

9

Water Systems

1

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (9)

Ann Arbor

Surface water 241,868 people served
0 violations

Ypsilanti Community Utility Authority

Purchased surface water 53,988 people served
0 violations
Lead tested: 4.1 ppb (limit: 15 ppb)

Ypsilanti Comm Utilities Auth

Purchased surface water 30,000 people served
0 violations

Superior Township

1 health-based
Purchased surface water 6,830 people served
1 violation (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Farmer'S Gas & Oil

Groundwater 825 people served
0 violations

Superior Township Hall

Groundwater 50 people served
0 violations

Arbor Montessori

Groundwater 41 people served
0 violations

Country Corners Nursery

Groundwater 30 people served
0 violations

David S. Miller

Groundwater 28 people served
0 violations

Contaminants Found

Lead and Copper RuleHealth-Based

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
4.1 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Ann Arbor (48198) has more violations than 29% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 1.

Fewer violations 29th percentile More violations

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.

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