Water Quality in Ann Arbor, MI (49229)

EPA violation data for public water systems serving ZIP code 49229.

No Health-Based Violations

None of the 15 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are5 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 53% of US ZIP codes.

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

3,540

Population

15

Water Systems

5

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (15)

Ann Arbor

Surface water 241,868 people served
0 violations

Mi. Int. Speedway Grandstand

Groundwater 200,000 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)

Monroe

Surface water 49,467 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

Monroe South County

Purchased surface water 33,816 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Ypsilanti Comm Utilities Auth

Purchased surface water 30,000 people served
0 violations

Adrian

Surface water 23,663 people served
0 violations

Britton

All resolved
Groundwater 611 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Grace United Methodist Church

All resolved
Groundwater 90 people served
2 violations (5yr) · All resolved

Emmanuel Lutheran Church-Britton

All resolved
Groundwater 85 people served
1 violation (5yr) · All resolved

Kapnick Orchards

Groundwater 75 people served
0 violations

Holy Faith Church/Saline Co-Op

Groundwater 70 people served
0 violations

On The Way Daycare

Groundwater 50 people served
0 violations

Kapnick Orchards Camp

Groundwater 30 people served
0 violations

East Plaza Office

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
All resolved
Lead and Copper RuleMonitoring

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

1 violation
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

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 (49229) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5, most of which are monitoring/reporting issues.

Fewer violations 53th percentile More violations

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.

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