Water Quality in Ann Arbor, MI (49240)
EPA violation data for public water systems serving ZIP code 49240.
No Health-Based Violations
None of the 56 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are41 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 88% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
8,863
Population
56
Water Systems
41
Violations (5yr)
0
Health-Based
Location
Loading map...
Water Systems Serving This Area (56)
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) ✓
Jackson
All resolved Groundwater 33,165 people served
26 violations (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Ypsilanti Comm Utilities Auth
Purchased surface water 30,000 people served
0 violations
Grass Lake
All resolved Groundwater 1,986 people served
3 violations (5yr)
· All resolved
Lead tested: 12 ppb (limit: 15 ppb) ✓
Lakeland Correctional Facility
Groundwater 1,450 people served
0 violations
Portage Lake State Park - Day Use
Groundwater 500 people served
0 violations
Tenneco Automotive
Groundwater 500 people served
0 violations
Village Market
Groundwater 300 people served
0 violations
Fa-Ho-Lo Park
Groundwater 250 people served
0 violations
Camp Waterloo Corrections Camp
Groundwater 250 people served
0 violations
Fa-Ho-Lo-Park
Groundwater 200 people served
0 violations
Apple Creek Park
All resolved Groundwater 200 people served
2 violations (5yr)
· All resolved
Sawd'S Village Inn
All resolved Groundwater 200 people served
1 violation (5yr)
· All resolved
Grass Lake Township
Purchased groundwater 180 people served
0 violations
Grass Lake Assembly Of God
Groundwater 150 people served
0 violations
Chelsea King Hall Of Jeh'S Witnesses
Groundwater 140 people served
0 violations
Lighthouse Harbor Campgrounds
Groundwater 125 people served
0 violations
Siegrist Chevrolet
Groundwater 100 people served
0 violations
Holiday Campground
Groundwater 100 people served
0 violations
Harvest Baptist Church
All resolved Groundwater 100 people served
1 violation (5yr)
· All resolved
Log Cabin Restaurant
Groundwater 100 people served
0 violations
Twin Knolls Golf
Groundwater 100 people served
0 violations
Hideaway Rv Park
All resolved Groundwater 100 people served
1 violation (5yr)
· All resolved
St. Jacob Lutheran Church
All resolved Groundwater 100 people served
2 violations (5yr)
· All resolved
Val'S Country Corner
Groundwater 100 people served
0 violations
Grass Lake Mini Mall
Groundwater 100 people served
0 violations
Holiday Campground #2
Groundwater 100 people served
0 violations
Mt. Hope Bible Church
Groundwater 95 people served
0 violations
Farmlane Campground
Groundwater 84 people served
0 violations
St Jacobs Lutheran Church
Groundwater 75 people served
0 violations
Camp Pontiac
Groundwater 75 people served
0 violations
Mama'S Mercantile & Eatery
Groundwater 75 people served
0 violations
Joy Of Jesus (Camp Carver)
Groundwater 75 people served
0 violations
Joy Of Jesus (Camp Carver)
Groundwater 75 people served
0 violations
Portage Lake Parlor
All resolved Groundwater 60 people served
3 violations (5yr)
· All resolved
Waterloo Golf Course
Groundwater 60 people served
0 violations
Pilot Plastics
Groundwater 50 people served
0 violations
Nutri For Elderly
Groundwater 50 people served
0 violations
Waterloo United Methodist Ch
Groundwater 50 people served
0 violations
Grass Lake Dental Clinic
All resolved Groundwater 50 people served
1 violation (5yr)
· All resolved
Waterloo Pizza & Ice Cream
Groundwater 50 people served
0 violations
Sherwood Funeral Home
Groundwater 50 people served
0 violations
St. John'S United Church Of Christ
All resolved Groundwater 45 people served
1 violation (5yr)
· All resolved
Clear Lake Camp Park
Groundwater 43 people served
0 violations
What'S Your Scoop
Groundwater 40 people served
0 violations
Promotech
Groundwater 35 people served
0 violations
American Tooling Center
Groundwater 30 people served
0 violations
Rtd Manufacturing, Inc.
Groundwater 30 people served
0 violations
Sports And Trails Park
Groundwater 25 people served
0 violations
American Legion Post 526
Groundwater 25 people served
0 violations
Henry Ford Family Medicine - Grass Lake
Groundwater 25 people served
0 violations
Sunset Gardens Greenhouse
Groundwater 25 people served
0 violations
Green Acres Care Home
Groundwater 25 people served
0 violations
St Johns United Church-Christ
Groundwater 25 people served
0 violations
Camp Waterloo
Groundwater 0
0 violations
Contaminants Found
Revised Total Coliform RuleMonitoring
Missed testing deadlines — not a detection of bacteria.
9 violations
All resolved
NitrateMonitoring
At high levels, nitrate can cause blue baby syndrome in infants.
4 violations
All resolved
TTHMMonitoring
2 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
2 violations
All resolved
Interim Enhanced Surface Water Treatment RuleMonitoring
2 violations
All resolved
BenzeneMonitoring
1 violation
All resolved
TetrachloroethyleneMonitoring
1 violation
All resolved
trans-1,2-DichloroethyleneMonitoring
1 violation
All resolved
1,2-DichloropropaneMonitoring
1 violation
All resolved
CHLOROBENZENEMonitoring
1 violation
All resolved
1,1-DichloroethyleneMonitoring
1 violation
All resolved
1,2,4-TrichlorobenzeneMonitoring
1 violation
All resolved
p-DichlorobenzeneMonitoring
1 violation
All resolved
Carbon tetrachlorideMonitoring
1 violation
All resolved
1,1,1-TrichloroethaneMonitoring
1 violation
All resolved
TrichloroethyleneMonitoring
1 violation
All resolved
Xylenes, TotalMonitoring
1 violation
All resolved
1,2-DichloroethaneMonitoring
1 violation
All resolved
TolueneMonitoring
1 violation
All resolved
Vinyl chlorideMonitoring
1 violation
All resolved
o-DichlorobenzeneMonitoring
1 violation
All resolved
1,1,2-TrichloroethaneMonitoring
1 violation
All resolved
EthylbenzeneMonitoring
1 violation
All resolved
DICHLOROMETHANEMonitoring
1 violation
All resolved
StyreneMonitoring
1 violation
All resolved
cis-1,2-DichloroethyleneMonitoring
1 violation
All resolved
CARBON, TOTALMonitoring
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 (49240) has more violations than 88% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 41, most of which are monitoring/reporting issues.
Fewer violations 88th 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.