Water Quality in Mauston, WI (53948)
EPA violation data for public water systems serving ZIP code 53948.
Active Health Violations
1 health-based violation found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 57% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
8,195
Population
56
Water Systems
6
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (56)
Mauston Waterworks
1 health-basedWoodside Sports Complex
Mauston Park Oasis
Shipwreck Bay Bar And Resort
Lees Service
Woodside Ranch Llc - East
All resolvedWoodside Ranch Llc - West
Castle Rock Park 7 Cmpgrd
Castle Rock Park 2
Wells Lakeside Cottages South End
Wells Lakeside Cottages North End
Castle Rock Park 4
Castle Rock Park 3
Skelly Service
Castle Rock Park 6
Rainbow Bend
Carpenters
Castle Rock Park Bathhouse
Castle Rock Park 1
Castle Rock Park 8 High Cap
Castle Rock Park 5
Mountain Mudd Espresso
Way Station Bar
Wilderness Co Park-Office
Wilderness Co Park-Shower Bldg
Wilderness Co Park-Site 17
Castle Rock Hideaway Bait Shop
Castle Rock Golf Course & Club
Petenwell Wilderness Co Park 1
Little Acre
Petenwell Wilderness Co Park 4
Petenwell Wilderness Co Park-Section C
Kountry Aire Est Mhp Ii West
Wabash National Trailer Centers Inc
All resolvedWilderness Co Park Site 80
Bass Hollow Rec Area
Omaha Trail Wayside
Bass Hollow Rec Area
All resolvedBabes Country Club
Summit Town Park & Town Shop
Port O Call Cabins
Wilderness Co Park-South Well
Castle Rock Co Park 10
Bavarian Cmpgd 1 Store
Sandy Shores Resort
Night Faces Inc.
Kozy Pizza
Sequoyah Cmpgd
Riverview Trails Rec Area
Kennedy County Park 2-River
Castle Rock Hideaway Cabins
Arbys
Bavarian Cmpgd 2 - Campground
Castle Rock Co Park 11
Kennedy County Park 1-Gate
All resolvedBavarian Cmpgd 3 - Lake
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: Jun 2025
How Does This Compare?
Mauston (53948) has more violations than 57% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 6.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.