Water Quality in Portage, WI (53901)
EPA violation data for public water systems serving ZIP code 53901.
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 67% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
14,291
Population
72
Water Systems
10
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (72)
Portage Waterworks
Culvers Of Newville
Cascade Mtn Ski - 93 Well Main
Saddle Ridge Estates
1 health-basedFort Bp
Interstate Citgo
Cascade Mtn Ski - Daisy Restaurant Well
Lake Morganne Mobil
Cimarolis Supper Club
Cascade Mtn Ski - Chalet Well
Bethlehem Lutheran Church
Trienda Holdings Llc
All resolvedInterstate Easy Stop
Portage One Stop
Burnstads Vacant Bldg
Portage Moto Station
Northwoods Inc Of Wisconsin
Sky High Camping - Main System
Crossroads Family Care Center
All resolvedComfort Suites
Portage Country Club Clubhouse
Wheel The
Clark Cupery Property
All resolvedBoxxx Office Gentlemens Club The
All resolvedLiberty Square Gas Station Inc
Lewiston Elementary
Endeavor Elementary
Sky High Camping - North Entrance
Sky High Camping - Hickory Heights
Culvers Of Hastings
Caledonia Presbyterian Church
Duck Creek Diner
Days Inn Portage
Cascade Mtn Ski - Employee Housing
Kamp Dakota Campground
Link Greenhouse
Mason Station
Carpet Barn
Steak Out
Cesa 5 Fort Winnebago
Hillside Tavern
Portage Seventh Day Adventist Church
Riemers Roadhouse
Fur Fin & Feather
Lake Mason Lodge Llc
Fifty-One 16 Drive In Theater
Pruess Implement Co
Gunderson Construction
Gumz Muck Farms 598
Shady Rest Motel
Fellowship Baptist Church
Penda Corp 7
Unimin Corp 2 Shop
R J Auto Body
Unimin Corp 3 Office
Penda Corp 1
Fifty One Auto Sales
Blystone Repair
Sky High Camping Pavilion
All resolvedWddc Wpdr Radio
Cascade Mt Cmpgd
Bo Jo Grocery
Covia Holding Corp Emp Locker Rm
Adessa Auto Auction
Lamp Lite Motel
A Storybook Farm - Saddles, Tack & Gifts
St Pauls Lutheran Church
Jcap - Cesa 5
Portage Country Club Maintenance Shop
Country Life Ministries Farm Well
Country Life Garden Well
Copper Penny Garlic
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?
Portage (53901) has more violations than 67% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 10.
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.