Water Quality in Ann Arbor, MI (48108)

EPA violation data for public water systems serving ZIP code 48108.

No Health-Based Violations

None of the 24 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are15 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 74% of US ZIP codes.

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

27,666

Population

24

Water Systems

15

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (24)

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

Pittsfield Township

Purchased surface water 24,500 people served
4 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Saline Valley Farms

Groundwater 375 people served
0 violations

Whitmore Lake Apartments

All resolved
Groundwater 281 people served
1 violation (5yr) · All resolved
Lead tested: 6 ppb (limit: 15 ppb)

Nsk Corporation-Bearing Div

Groundwater 250 people served
0 violations

Cannabis Retailer At 195 Albany Turnpike

All resolved
Groundwater 214 people served
3 violations (5yr) · All resolved

Travis Pointe Country Club

Groundwater 175 people served
0 violations

Ann Arbor Christian School

Groundwater 175 people served
0 violations

Brookside Subdivision

Groundwater 130 people served
0 violations

Copper Meadows

All resolved
Groundwater 128 people served
2 violations (5yr) · All resolved

Gallup Park Playground

All resolved
Groundwater 100 people served
2 violations (5yr) · All resolved

Pittsfield Twp. Parks & Rec

Groundwater 100 people served
0 violations

Db Warehouse

Groundwater 100 people served
0 violations

Scp Enterprises, Inc.

Groundwater 70 people served
0 violations

Ellsworth Commerce Park

Groundwater 50 people served
0 violations

Ann Arbor Sportsplex

Groundwater 50 people served
0 violations

Corrigan Moving Systems

Groundwater 45 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Djs Landscape

All resolved
Groundwater 35 people served
1 violation (5yr) · All resolved

Travis Pointe Plaza

All resolved
Groundwater 30 people served
2 violations (5yr) · All resolved

Collins & Aikman / Intellimold

Groundwater 25 people served
0 violations

Richland Hop In/Subway

Groundwater 25 people served
0 violations

Furstenberg Park Well

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

4 violations
All resolved
NitrateMonitoring

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

4 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
Has active
Total Haloacetic Acids (HAA5)Monitoring
2 violations
All resolved
TTHMMonitoring
1 violation
All resolved
NitriteMonitoring

Similar to nitrate — harmful to infants at high levels.

1 violation
All resolved
E. COLIMonitoring
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 (48108) has more violations than 74% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 15, most of which are monitoring/reporting issues.

Fewer violations 74th 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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