Water Quality in Ann Arbor, MI (48130)
EPA violation data for public water systems serving ZIP code 48130.
No Health-Based Violations
None of the 63 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are47 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 90% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
16,986
Population
63
Water Systems
47
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (63)
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
Dexter
Groundwater 4,500 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Loch Alpine Sanitary Authority
All resolved Groundwater 1,506 people served
1 violation (5yr)
· All resolved
Lead tested: 7.2 ppb (limit: 15 ppb) ✓
St. Joseph Catholic - Dexter
All resolved Groundwater 500 people served
2 violations (5yr)
· All resolved
Huron River Methodist Church - Church
All resolved Groundwater 300 people served
3 violations (5yr)
· All resolved
Cornman Farms, Llc.
Groundwater 300 people served
0 violations
Dexter United Methodist Church
Groundwater 300 people served
0 violations
Hudson Mills Metropark
Groundwater 250 people served
0 violations
Triair Co
All resolved Groundwater 221 people served
25 violations (5yr)
· All resolved
Lead tested: 3 ppb (limit: 15 ppb) ✓
Ann Arbor Moose Lodge
Groundwater 200 people served
0 violations
Zabinski Blueberry Farm
Groundwater 200 people served
0 violations
Cottonwood Barn
Groundwater 200 people served
0 violations
Thetford Corp
Groundwater 160 people served
0 violations
Post 46 Hunt & Fish Club
All resolved Groundwater 115 people served
1 violation (5yr)
· All resolved
Simply Scrumptious
Groundwater 100 people served
0 violations
The Lodge At Nordman Lake - Cabins
Groundwater 100 people served
0 violations
Dexter Church Of Christ
Groundwater 100 people served
0 violations
St. Joseph Cath - Dexter (Rel Ed Bldg)
All resolved Groundwater 100 people served
2 violations (5yr)
· All resolved
The Lodge At Nordman Lake - Lodge
Groundwater 100 people served
0 violations
Ann Arbor Travel Centers Of Am
Groundwater 100 people served
0 violations
Dexter Bowl N Bar Inc
Groundwater 100 people served
0 violations
U Of M Sailing Club
Groundwater 100 people served
0 violations
Webster United Church Of Christ
Groundwater 100 people served
0 violations
Dexter American Legion
All resolved Groundwater 100 people served
2 violations (5yr)
· All resolved
A&W Root Beer Drive-In
Groundwater 100 people served
0 violations
Huron River Methodist Church - Youth Bld
All resolved Groundwater 100 people served
3 violations (5yr)
· All resolved
Hudson Mills & Activity Center
Groundwater 100 people served
0 violations
Hudson Mills Metropark
Groundwater 100 people served
0 violations
St. Joseph Picnic Area
Groundwater 100 people served
0 violations
Champion Water
All resolved Groundwater 100 people served
1 violation (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Sunset Campground
Groundwater 94 people served
0 violations
Alco Manufacturing
All resolved Groundwater 90 people served
1 violation (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
St. Vladimir Orthodox Church School
Groundwater 85 people served
1 violation (5yr)
Faith Lutheran Church-Dexter
All resolved Groundwater 80 people served
1 violation (5yr)
· All resolved
Dexter Gospel Church
Groundwater 75 people served
0 violations
Fischers Trailer Park
Groundwater 60 people served
0 violations
The Lakes Plaza
Groundwater 50 people served
0 violations
The Newman Group Comp/Servi/Co
Groundwater 50 people served
0 violations
Dexter American Legion
Groundwater 50 people served
0 violations
Hudson Mills Golf Course #5 Te
Groundwater 50 people served
0 violations
Cj'S Party Store
Groundwater 50 people served
0 violations
Sunset Campground
Groundwater 50 people served
0 violations
Tech Park West
Groundwater 30 people served
0 violations
Dexter Dental Center
All resolved Groundwater 30 people served
1 violation (5yr)
· All resolved
Dexter Bus Garage
All resolved Groundwater 30 people served
1 violation (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Little Friends Preschool Daycare
Groundwater 28 people served
0 violations
Cameron Balloons
Groundwater 28 people served
0 violations
Camp Newkirk
Groundwater 28 people served
0 violations
Indeco Indust Prop.
Groundwater 25 people served
0 violations
Hudson Mills Metropark
Groundwater 25 people served
0 violations
Bear Claw Coffee Company
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
St. Vladimir Church
Groundwater 25 people served
0 violations
For Kid'S Sake Early Learning Ctr, Llc
Groundwater 25 people served
0 violations
Hudson Mills Metropark
Groundwater 25 people served
0 violations
Timberland Campground
Groundwater 25 people served
0 violations
Huron Clinton Metro Auth #62
Groundwater 25 people served
0 violations
Huron Clinton Metro Auth #77
Groundwater 25 people served
0 violations
Hudson Mills Metropark
Groundwater 25 people served
0 violations
Post 46 Campground
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
Indeco Industrial Properties
Groundwater 25 people served
0 violations
Hudson Mills Metropark
Groundwater 25 people served
0 violations
Contaminants Found
Revised Total Coliform RuleMonitoring
Missed testing deadlines — not a detection of bacteria.
15 violations
All resolved
Lead and Copper RuleMonitoring
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
6 violations
Has active
NitrateMonitoring
At high levels, nitrate can cause blue baby syndrome in infants.
5 violations
All resolved
Carbon tetrachlorideMonitoring
1 violation
All resolved
TetrachloroethyleneMonitoring
1 violation
All resolved
StyreneMonitoring
1 violation
All resolved
cis-1,2-DichloroethyleneMonitoring
1 violation
All resolved
Vinyl chlorideMonitoring
1 violation
All resolved
Xylenes, TotalMonitoring
1 violation
All resolved
1,2-DichloroethaneMonitoring
1 violation
All resolved
CHLOROBENZENEMonitoring
1 violation
All resolved
BenzeneMonitoring
1 violation
All resolved
p-DichlorobenzeneMonitoring
1 violation
All resolved
1,2-DichloropropaneMonitoring
1 violation
All resolved
DICHLOROMETHANEMonitoring
1 violation
All resolved
TolueneMonitoring
1 violation
All resolved
TrichloroethyleneMonitoring
1 violation
All resolved
trans-1,2-DichloroethyleneMonitoring
1 violation
All resolved
1,1-DichloroethyleneMonitoring
1 violation
All resolved
EthylbenzeneMonitoring
1 violation
All resolved
1,1,2-TrichloroethaneMonitoring
1 violation
All resolved
1,2,4-TrichlorobenzeneMonitoring
1 violation
All resolved
o-DichlorobenzeneMonitoring
1 violation
All resolved
1,1,1-TrichloroethaneMonitoring
1 violation
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit4.1 ppb measured
Action level: 15 ppb
Sampled: Jan 2025
How Does This Compare?
Ann Arbor (48130) has more violations than 90% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 47, most of which are monitoring/reporting issues.
Fewer violations 90th 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.