Water Quality in Ann Arbor, MI (48176)

EPA violation data for public water systems serving ZIP code 48176.

No Health-Based Violations

None of the 35 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are43 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 89% of US ZIP codes.

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

23,451

Population

35

Water Systems

43

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (35)

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)

Ypsilanti Comm Utilities Auth

Purchased surface water 30,000 people served
0 violations

Adrian

Surface water 23,663 people served
0 violations

Saline

Groundwater 9,158 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Christ Our King Lutheran Church-Addition

Groundwater 400 people served
0 violations

Christ Our King Lutheran Church - Church

Groundwater 400 people served
0 violations

Keystone Church

All resolved
Groundwater 334 people served
4 violations (5yr) · All resolved

Mystic Ridge L.L.C.

All resolved
Groundwater 225 people served
1 violation (5yr) · All resolved

Saline Meadows M H P

Groundwater 225 people served
0 violations

Bridgewater Country Market

All resolved
Groundwater 200 people served
4 violations (5yr) · All resolved

Washtenaw Sportsmans Club - Clubhouse

Groundwater 200 people served
0 violations

Express Stop #4667

All resolved
Groundwater 200 people served
1 violation (5yr) · All resolved

Washtenaw Sportmans Club - Archery Barn

Groundwater 200 people served
0 violations

Universal Die Casting, Inc

Groundwater 190 people served
0 violations

Bridgewater Bank Tavern

All resolved
Groundwater 150 people served
1 violation (5yr) · All resolved

Bemis Farms Daycare & Preschool

Groundwater 110 people served
0 violations

Sp Petrol 2 Llc

Groundwater 100 people served
0 violations

St. James United Church Of Christ

Groundwater 100 people served
0 violations

Petrol & Pantry

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

Children'S Creative Learning Center

Groundwater 80 people served
0 violations

Jellybean Daycare And Preschool

Groundwater 60 people served
0 violations

Rustic Glen Golf Course

Groundwater 50 people served
0 violations

Yorktown Golf

Groundwater 50 people served
0 violations

Children'S Creative Learning Ctr-Baby Ho

Groundwater 50 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Xelapack

Groundwater 45 people served
0 violations

Megas Properties/Gentner Trucking

Groundwater 35 people served
0 violations

Northstar Montessori East

Groundwater 30 people served
0 violations

Brookside Golf Course

Groundwater 25 people served
9 violations (5yr)

Thompson'S Bar & Grill

Groundwater 25 people served
0 violations

Tri County Sportsmens League

Groundwater 25 people served
0 violations

Gross Farm Equipment

Groundwater 25 people served
0 violations

Eeyore'S Party Store

Groundwater 25 people served
0 violations

Metalforming Technologies, Inc

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

15 violations
All resolved
NitrateMonitoring

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

5 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
All resolved
p-DichlorobenzeneMonitoring
1 violation
All resolved
1,2-DichloropropaneMonitoring
1 violation
All resolved
TetrachloroethyleneMonitoring
1 violation
All resolved
BenzeneMonitoring
1 violation
All resolved
1,2-DichloroethaneMonitoring
1 violation
All resolved
CHLOROBENZENEMonitoring
1 violation
All resolved
StyreneMonitoring
1 violation
All resolved
1,1,2-TrichloroethaneMonitoring
1 violation
All resolved
Carbon tetrachlorideMonitoring
1 violation
All resolved
TrichloroethyleneMonitoring
1 violation
All resolved
DICHLOROMETHANEMonitoring
1 violation
All resolved
TolueneMonitoring
1 violation
All resolved
EthylbenzeneMonitoring
1 violation
All resolved
1,1-DichloroethyleneMonitoring
1 violation
All resolved
trans-1,2-DichloroethyleneMonitoring
1 violation
All resolved
o-DichlorobenzeneMonitoring
1 violation
All resolved
1,2,4-TrichlorobenzeneMonitoring
1 violation
All resolved
1,1,1-TrichloroethaneMonitoring
1 violation
All resolved
Vinyl chlorideMonitoring
1 violation
All resolved
cis-1,2-DichloroethyleneMonitoring
1 violation
All resolved
Xylenes, TotalMonitoring
1 violation
All resolved
Public NoticeMonitoring
1 violation
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
4.1 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Ann Arbor (48176) has more violations than 89% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 43, most of which are monitoring/reporting issues.

Fewer violations 89th 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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