Water Quality in Ann Arbor, MI (48103)
EPA violation data for public water systems serving ZIP code 48103.
No Health-Based Violations
None of the 94 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are25 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 82% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
55,054
Population
94
Water Systems
25
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (94)
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
Scio Township
All resolved Purchased surface water 8,500 people served
4 violations (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Mcdonalds Of Scio Twp
Groundwater 1,500 people served
0 violations
Chrysler Corp Introl Div
Groundwater 1,115 people served
0 violations
University Microfilms Intern
Groundwater 500 people served
0 violations
Emerson School - Elementary
Groundwater 450 people served
1 violation (5yr)
Emerson School - Middle
Groundwater 450 people served
1 violation (5yr)
Paul Bunyan Food Systems Inc
Groundwater 400 people served
0 violations
Bel-Mark Lanes Inc
Groundwater 400 people served
0 violations
St. Nicholas Church
All resolved Groundwater 400 people served
2 violations (5yr)
· All resolved
Gelman Instruments Co
Groundwater 320 people served
0 violations
Sarns Inc-Well #1-Bldg A
Groundwater 310 people served
0 violations
Sarns,Inc-Well#2-Bldg A
Groundwater 310 people served
0 violations
Wide World Sports Center
Groundwater 300 people served
0 violations
Zeeb Rd Amoco E
Groundwater 300 people served
0 violations
First Unitarian Church
Groundwater 300 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Wendys
Groundwater 200 people served
0 violations
High Point School
Groundwater 200 people served
0 violations
Ann Arbor Baptist Church
All resolved Groundwater 200 people served
1 violation (5yr)
· All resolved
Huron Valley Swim Club
Groundwater 200 people served
0 violations
Liberty Racquet Club
Groundwater 200 people served
0 violations
Braun-Brumfield Inc
Groundwater 185 people served
0 violations
Huron Clinton Metroparks
Groundwater 150 people served
0 violations
Washtenaw Co Road Commision
Groundwater 130 people served
0 violations
Varsity Ford
Groundwater 100 people served
0 violations
Lake Forest Golf Club
Groundwater 100 people served
0 violations
Salem Lutheran Church
All resolved Groundwater 100 people served
1 violation (5yr)
· All resolved
Camp Kanesatake
Groundwater 100 people served
0 violations
Shekinah Christian Church
All resolved Groundwater 100 people served
1 violation (5yr)
· All resolved
Scio Community Church
All resolved Groundwater 100 people served
1 violation (5yr)
· All resolved
Kingdom Hall Of Jehovah'S Witnesses -Nor
Groundwater 100 people served
0 violations
Cassidy'S Restaurant
Groundwater 100 people served
0 violations
Birkett Day Camp
All resolved Groundwater 100 people served
2 violations (5yr)
· All resolved
Robin Hills Farm Garden Barn
Groundwater 100 people served
0 violations
Rampy Chevrolet Inc
Groundwater 85 people served
0 violations
Bradley-Pontiac
Groundwater 80 people served
0 violations
Cap Incorporated
Groundwater 75 people served
0 violations
Michigan Electric Power Center
Groundwater 60 people served
0 violations
Pittsfield Plastics Inc
Groundwater 55 people served
0 violations
Ann Arbor Terminals Inc
Groundwater 55 people served
0 violations
Danmar Products
Groundwater 55 people served
0 violations
Tippin'S Market
All resolved Groundwater 50 people served
3 violations (5yr)
· All resolved
Independent Engineering Labs
Groundwater 50 people served
0 violations
Raycon Corp
Groundwater 50 people served
0 violations
Interface Systems Inc
Groundwater 50 people served
0 violations
Inmet Corporation
Groundwater 50 people served
0 violations
Little Folks Corner
Groundwater 50 people served
0 violations
Independent Engineering Laboratories
Groundwater 50 people served
0 violations
Sarns,Inc-Well #3-Bldg B&C
Groundwater 50 people served
0 violations
Raycon Corporation
Groundwater 50 people served
0 violations
Cafe Japon / L'Esprit De Miyoko
Groundwater 50 people served
0 violations
Sci0 Farms Estates
Groundwater 50 people served
0 violations
Ann Arbor Eagles
All resolved Groundwater 50 people served
1 violation (5yr)
· All resolved
Scio Twp. Fire/Sheriff Station
Groundwater 45 people served
0 violations
Freedom Childcare Center
Groundwater 45 people served
0 violations
Kaiser Optical Systems, Inc.
Groundwater 40 people served
0 violations
Balance Technology Inc
Groundwater 40 people served
0 violations
Jennings-Newport Heights
Groundwater 38 people served
0 violations
Geospectra
Groundwater 36 people served
0 violations
Little Farm Nursery Sch-West
Groundwater 36 people served
0 violations
Precisions Controls Co
Groundwater 36 people served
0 violations
Mike Mathews Stables
Groundwater 35 people served
0 violations
Crystal Springs Estates
Groundwater 34 people served
0 violations
White Lotus Farms Creamery
Groundwater 32 people served
0 violations
American Broach & Machine Co
Groundwater 32 people served
0 violations
Baskin-Robbins Usa Co.
Groundwater 32 people served
0 violations
Copperleaf Crossing
Groundwater 30 people served
0 violations
Little Folks Toddler Center
Groundwater 30 people served
0 violations
Copperleaf Crossing - Creature Conservan
Groundwater 30 people served
0 violations
White Pine Inc/Demco Entrps
Groundwater 30 people served
0 violations
D & C Plbg & Htg Supply
Groundwater 30 people served
0 violations
Applied Intelligent Systems
Groundwater 30 people served
0 violations
Sunshine Special Children'S Studio
Groundwater 26 people served
0 violations
Hudson Mills Metropark
Groundwater 25 people served
0 violations
Superior Materials Llc
Groundwater 25 people served
0 violations
Washtenaw Co Farm Council - Grounds-Kitc
All resolved Groundwater 25 people served
3 violations (5yr)
· All resolved
Meadowlark Building
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
O & W Inc
Groundwater 25 people served
0 violations
Ann Arbor Baler Co
Groundwater 25 people served
0 violations
Huron Vly Day Trtmnt Program
Groundwater 25 people served
0 violations
P. B. Inc.
Groundwater 25 people served
0 violations
Hentschel Instruments
Groundwater 25 people served
0 violations
Jodon Engineering Assocs Inc
Groundwater 25 people served
0 violations
Wells Temple Church Of God
Groundwater 25 people served
0 violations
Warehouse
Groundwater 25 people served
0 violations
Vfw Post 423
Groundwater 25 people served
0 violations
Quarry Inc
Groundwater 25 people served
0 violations
Unitec Cons. Service, Inc.
Groundwater 25 people served
0 violations
Washtenaw Co Farm Council - Grounds - Ca
All resolved Groundwater 25 people served
3 violations (5yr)
· All resolved
Mager Scientific
Groundwater 25 people served
0 violations
Frito Lay Distribution Center
Groundwater 25 people served
0 violations
Honey Creek Shopping Ctr
Groundwater 25 people served
0 violations
Contaminants Found
Revised Total Coliform RuleMonitoring
Missed testing deadlines — not a detection of bacteria.
16 violations
All resolved
NitrateMonitoring
At high levels, nitrate can cause blue baby syndrome in infants.
5 violations
All resolved
Lead and Copper RuleMonitoring
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
3 violations
Has active
Consumer Confidence RuleMonitoring
Annual water quality report delivery requirement.
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 (48103) has more violations than 82% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 25, most of which are monitoring/reporting issues.
Fewer violations 82th 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.