Water Quality in Wausau, WI (54403)
EPA violation data for public water systems serving ZIP code 54403.
No Health-Based Violations
None of the 37 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are4 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 48% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
24,950
Population
37
Water Systems
4
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (37)
Wausau Waterworks
Hewitt Texas Elementary School
Trappe River Golf Club
All resolvedCamp Sturtevant 1
Corral On 52
Cheeks Bar & Grill
Tangos Restaurant Bar And Ballroom
Big Eau Pleine Co Park 9
Big Eau Pleine Co Park 10
Sorellas
Luckys Eastside Pub
Bluegill Bay Park North
Brother J'S On The Nine
Stainless Specialist Inc
Ashley Tavern & Ballroom
Wausau Community Christian School
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Auntie Tayas
Rick And Beckys Sunrise Bar
Wausau Alliance Church
Rib Falls Park
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Trinity Lutheran Church - Wausau
St Johns Lutheran Church
Big Rapids Park
Sunset Country Store
Sunnyvale Park East
Spirit Falls Tavern
St Johns Lutheran Church
All resolvedOwl Ridge General Store
Greenwood Hills Country Club Inc
Nine Mile Ski Area
Koskey'S Korner Pub & Grill
Camp Blessing Cabins
Chicos Supper Club
Camp Sturtevant 2
Kingdom Hall Jehovah Wt Ch
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Sep 2025
How Does This Compare?
Wausau (54403) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 4, most of which are monitoring/reporting issues.
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.