PlainWater
Counties → Wisconsin

Portage County, Wisconsin

Water Systems
150
Population Served
50,413
Total Violations
2,795
800 health-based
PFAS Detected
1
of 2 tested

Violation Analysis

70.7%
Systems with Violations
18.6
Avg Violations per System
28.6%
Health-Based Violations

Water Source Types

GW
50 systems (33%)

PFAS Contamination

2
Systems Tested
1
PFAS Detected
50.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Portage Wisconsin water systems by violation status, EPA SDWIS records.

No violations on record (9) One or more violations (41)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Stevens Point Waterworks 26,717 14 Clean
Plover Waterworks 13,486 13 Detected
Whiting Waterworks 1,743 17 -
Amherst Waterworks 1,119 8 -
McCain Foods USA 450 56 -
Almond-Bancroft Public Schools 420 27 -
Junction City Waterworks 416 16 -
Grant Elementary School 350 98 -
Rosholt Elem School 338 15 -
Recreacres Mhc LLC 320 200 -
Evergreen Villa Mobile Homes 250 166 -
Rosholt High School 214 28 -
Riverview Estates MHP 150 147 -
Sacred Heart School 150 25 -
Cent Wis Env Center Bathhouse 135 0 -
Bernatellos Food 100 12 -
St Adalbert Catholic Church 93 250 -
Behnke Olson Outdoor Recreation Center 84 0 -
WI Lions Camp Memorial Building 75 7 -
WI Lions Camp 4 Rec Shelter 75 6 -
Bison Transport USA 75 65 -
Pine Grove Villa 75 285 -
Jakes Place 65 24 -
Dollar General Store #16673 64 0 -
Oak Lane Mobile Home Park 60 245 -
Best Western Plover-Stevens Point Hotel 60 10 -
Grit and Grace Family Restaurant 60 7 -
Feltzs Dairy Store 60 8 -
North New Hope Luth Church 50 9 -
Rivers Edge Cmpgd South Park Northeast Well 50 0 -
Rivers Edge Cmpgd South Park Southwest Well 50 0 -
Tomorrow River Bp 45 0 -
St Adalbert School 40 231 -
Cent Wis Env Center Sunset Lodge 40 13 -
Two Lakes Resort 35 1 -
Plover Cafe 30 32 -
Rivers Edge Cmpgd North Well 30 0 -
Refuah 30 4 -
Rosholt Branch Library 30 5 -
Dollar General Store #25974 28 7 -
Kwik Trip #202 26 8 -
Boston School Forest - Oelke Lodge 25 0 -
Boston School Forest - Noble Lodge 25 4 -
Collins Memorial Park - Beach 25 9 -
Lake Emily Co Park Campground-South 25 5 -
Pop-A-Top Bar & Grill 25 32 -
Simple Times 25 41 -
Grannys Country Cafe 25 2 -
Rosholt Gas N Go 25 0 -
Dollar Bills 25 2 -

Other Counties in Wisconsin

Milwaukee County
85 systems · 953,104 served · 2,602 violations
Dane County
301 systems · 517,785 served · 7,065 violations
Waukesha County
590 systems · 322,690 served · 24,998 violations
Brown County
149 systems · 246,872 served · 2,891 violations
Outagamie County
107 systems · 179,535 served · 1,999 violations
Racine County
195 systems · 179,476 served · 10,597 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Portage County? ▼
Portage County has 2,795 total drinking water violations across 150 water systems, of which 800 are health-based violations. 70.7% of systems have at least one violation.
How many people get water from Portage County systems? ▼
Water systems in Portage County serve approximately 50,413 people through 150 public water systems.
Has PFAS been detected in Portage County water? ▼
Of 2 water systems tested for PFAS in Portage County, 1 had PFAS detected (50.0% detection rate).
What types of water sources supply Portage County? ▼
Water systems in Portage County use GW (50 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 28.6% of Portage County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.