Water Quality in Shawano, WI (54166)
EPA violation data for public water systems serving ZIP code 54166.
No Health-Based Violations
None of the 58 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are11 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 65% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
16,940
Population
58
Water Systems
11
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (58)
Shawano Waterworks
Shawano Lk San Dist 1
Shawano County Park Cmpgd
Main Event Venue Inc
Kassidys Studio Lounge & Dining
Amys Roadhouse Pub & Grill
All resolvedLimestone Castle Supper Club
Northern Grace Youth Camp
St James Retreat
Hwy Be Wayside
Liquid Billys
Club 22 Supper Club
River View Club Tavern
Community Baptist Ch
White Pines Lodge
All resolvedGenex Cooperative Inc
Genex Cooperative Inc
Kids In The Kountry Day Care
Wolf River Luth Hs
Oconto River Park
Corner Bar & Grill
Acres For Recreation Clubhouse
River View Motel
Saltys Saloon
Wilson Lake Co Pk
J J Raceway Bar
Pine Grove Cmpgd New Well
Belle Plaine Tap
Pine Grove Cmpgd Site 129
St Martin Lutheran Ch
Boarders Inn & Suites
Eland Trails Park
Gieses 3 Elms Tavern
Salem Un Methodist Ch
Red River Tavern
St John Lutheran Ch Hermansfort
Pine Grove Cmpgd Site 191
Hayman Falls County Park
First & Last Chance Bar
Oak Avenue Pub & Grill
St Jakobi Lutheran Ch
St Paul Lutheran Ch
A J Country Bar
Waukechon County Pk
Countryview Chiropractic Clinic
Country Bar
St Paul Ev Lutheran Ch
Whispering Pines Ch Camp
Blue Moon Saloon
Crystal Tavern
Shawanos Cafe
Hoppers Bar
All resolvedKingdom Hall Of Jev Witness
All resolvedShack Tavern
All resolvedHolzmann Motor Sports
Don & Ruths Bar
Shawano Christian Cntr
North Shore Healthcare System
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Sep 2025
How Does This Compare?
Shawano (54166) has more violations than 65% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 11, 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.