Water Quality in Portage, WI (53901)

EPA violation data for public water systems serving ZIP code 53901.

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

Groundwater 10,437 people served
0 violations
Lead tested: 6.2 ppb (limit: 15 ppb)

Culvers Of Newville

Groundwater 1,233 people served
0 violations
Lead tested: 2.29 ppb (limit: 15 ppb)

Cascade Mtn Ski - 93 Well Main

Groundwater 967 people served
0 violations

Saddle Ridge Estates

1 health-based
Groundwater 700 people served
4 violations (5yr) · 1 health-based
Lead tested: 3.32 ppb (limit: 15 ppb)

Fort Bp

Groundwater 505 people served
0 violations

Interstate Citgo

Groundwater 408 people served
0 violations

Cascade Mtn Ski - Daisy Restaurant Well

Groundwater 400 people served
0 violations

Lake Morganne Mobil

Groundwater 400 people served
0 violations

Cimarolis Supper Club

Groundwater 316 people served
0 violations

Cascade Mtn Ski - Chalet Well

Groundwater 300 people served
0 violations

Bethlehem Lutheran Church

Groundwater 252 people served
0 violations

Trienda Holdings Llc

All resolved
Groundwater 240 people served
1 violation (5yr) · All resolved
Lead tested: 0.84 ppb (limit: 15 ppb)

Interstate Easy Stop

Groundwater 203 people served
0 violations

Portage One Stop

Groundwater 203 people served
0 violations

Burnstads Vacant Bldg

Groundwater 200 people served
0 violations

Portage Moto Station

Groundwater 200 people served
0 violations

Northwoods Inc Of Wisconsin

Groundwater 180 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Sky High Camping - Main System

Groundwater 165 people served
0 violations

Crossroads Family Care Center

All resolved
Groundwater 115 people served
1 violation (5yr) · All resolved

Comfort Suites

Groundwater 110 people served
0 violations

Portage Country Club Clubhouse

Groundwater 110 people served
0 violations

Wheel The

Groundwater 107 people served
0 violations

Clark Cupery Property

All resolved
Groundwater 106 people served
1 violation (5yr) · All resolved

Boxxx Office Gentlemens Club The

All resolved
Groundwater 104 people served
1 violation (5yr) · All resolved

Liberty Square Gas Station Inc

Groundwater 103 people served
0 violations

Lewiston Elementary

Groundwater 100 people served
0 violations
Lead tested: 1.39 ppb (limit: 15 ppb)

Endeavor Elementary

Groundwater 100 people served
0 violations
Lead tested: 2.65 ppb (limit: 15 ppb)

Sky High Camping - North Entrance

Groundwater 100 people served
0 violations

Sky High Camping - Hickory Heights

Groundwater 100 people served
0 violations

Culvers Of Hastings

Groundwater 100 people served
1 violation (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Caledonia Presbyterian Church

Groundwater 80 people served
0 violations

Duck Creek Diner

Groundwater 54 people served
0 violations

Days Inn Portage

Groundwater 51 people served
0 violations

Cascade Mtn Ski - Employee Housing

Groundwater 51 people served
0 violations

Kamp Dakota Campground

Groundwater 50 people served
0 violations

Link Greenhouse

Groundwater 50 people served
0 violations

Mason Station

Groundwater 50 people served
0 violations

Carpet Barn

Groundwater 50 people served
0 violations

Steak Out

Groundwater 50 people served
0 violations

Cesa 5 Fort Winnebago

Groundwater 44 people served
0 violations
Lead tested: 0.42 ppb (limit: 15 ppb)

Hillside Tavern

Groundwater 35 people served
0 violations

Portage Seventh Day Adventist Church

Groundwater 30 people served
0 violations

Riemers Roadhouse

Groundwater 29 people served
0 violations

Fur Fin & Feather

Groundwater 27 people served
0 violations

Lake Mason Lodge Llc

Groundwater 26 people served
0 violations

Fifty-One 16 Drive In Theater

Groundwater 25 people served
0 violations

Pruess Implement Co

Groundwater 25 people served
0 violations

Gunderson Construction

Groundwater 25 people served
0 violations

Gumz Muck Farms 598

Groundwater 25 people served
0 violations

Shady Rest Motel

Groundwater 25 people served
0 violations

Fellowship Baptist Church

Groundwater 25 people served
0 violations

Penda Corp 7

Groundwater 25 people served
0 violations

Unimin Corp 2 Shop

Groundwater 25 people served
0 violations

R J Auto Body

Groundwater 25 people served
0 violations

Unimin Corp 3 Office

Groundwater 25 people served
0 violations

Penda Corp 1

Groundwater 25 people served
0 violations

Fifty One Auto Sales

Groundwater 25 people served
0 violations

Blystone Repair

Groundwater 25 people served
0 violations

Sky High Camping Pavilion

All resolved
Groundwater 25 people served
1 violation (5yr) · All resolved

Wddc Wpdr Radio

Groundwater 25 people served
0 violations

Cascade Mt Cmpgd

Groundwater 25 people served
0 violations

Bo Jo Grocery

Groundwater 25 people served
0 violations

Covia Holding Corp Emp Locker Rm

Groundwater 23 people served
0 violations

Adessa Auto Auction

Groundwater 23 people served
0 violations

Lamp Lite Motel

Groundwater 22 people served
0 violations

A Storybook Farm - Saddles, Tack & Gifts

Groundwater 15 people served
0 violations

St Pauls Lutheran Church

Groundwater 15 people served
0 violations

Jcap - Cesa 5

Groundwater 10 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Portage Country Club Maintenance Shop

Groundwater 9 people served
0 violations

Country Life Ministries Farm Well

Groundwater 6 people served
0 violations

Country Life Garden Well

Groundwater 2 people served
0 violations

Copper Penny Garlic

Groundwater 2 people served
0 violations

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

3 violations
All resolved
E. COLIMonitoring
2 violations
All resolved
Public NoticeMonitoring
1 violation
Has active
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

1 violation
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
1.39 ppb measured Action level: 15 ppb

Sampled: 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.

Fewer violations 67th percentile More violations

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.

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