PlainWater
Counties → Wisconsin

Fond du Lac County, Wisconsin

Water Systems
211
Population Served
86,612
Total Violations
5,061
1,184 health-based
PFAS Detected
2
of 3 tested

Violation Analysis

72.0%
Systems with Violations
24.0
Avg Violations per System
23.4%
Health-Based Violations

Water Source Types

GW
50 systems (24%)

PFAS Contamination

3
Systems Tested
2
PFAS Detected
66.7%
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

Fond du Lac Wisconsin water systems by violation status, EPA SDWIS records.

No violations on record (10) One or more violations (40)

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
Fond Du Lac Waterworks 44,303 390 Clean
Ripon Water Utility 7,716 11 Clean
North Fond Du Lac Waterworks 5,014 86 Clean
Campbellsport Waterworks 1,825 93 -
Oakfield Waterworks 1,058 37 -
Ashwood Grove Edgewater 1,046 7 -
Fond Du Lac TN Water Utility 980 26 -
Brandon Waterworks 872 35 -
Laconia High School and Middle School 620 40 -
Bluemkes Bp 616 10 -
China One 517 0 -
Lakeview Mart 510 36 -
Alto Reformed Church 502 21 -
St Cloud Waterworks 494 24 -
Mount Calvary Waterworks 478 2 -
Saputo Cheese USA Inc Waupun 435 41 -
Laconia Elementary School 420 21 -
Manor Hill Mobile Home Park 400 15 -
WI DNR Kmsfnu Long Lake Pumphouse 400 12 -
Shepherd of the Hills Sch 385 120 -
Sargento Cheese Inc Baker Plant 385 4 -
Tiki Beach Resort Kml 370 0 -
Fairwater Waterworks 365 9 -
Sunset on the Water Grill & Bar 360 0 -
Scouting America Camp Long Lake Dining Hall 350 0 -
Scouting America Camp Long Lake 3 Campmasters House 350 0 -
Scouting America Camp Long Lake 2 South Shower House 325 0 -
Rosendale Mart 322 0 -
Pipe Express 307 0 -
Wendts on the Lake 304 4 -
Eden Meats and Corner Express 285 219 -
Gieses Country Market 255 13 -
Red Cabin at Green Acres 254 24 -
Eden Elementary School 253 11 -
Our Lady of the Holyland Parish St John Site 234 12 -
WI DNR Kmsfnu Long Lake S Bath House 230 1 -
Peace Lutheran Church 224 12 -
Tiki Beach Resort Cmpgd 210 4 -
Blancks Supper Club 206 9 -
Jim & Lindas Lakeview Supper Club 205 6 -
Fondy Sports Complex Inc 204 5 -
Fondy Aqua Park 204 8 -
Cedar Lodge Restaurant 203 3 -
St John Lutheran Church Hall 202 5 -
Our Risen Savior Cath Ch 202 3 -
Sun Retreats Fond Du Lac East Trading Post 201 0 -
Hamburger Haus The 201 0 -
WI DNR Kmsfnu Mauthe Lk Beach 200 4 -
Actus Nutrition Fond Du Lac 177 26 -
Webers Express 158 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 Fond du Lac County? ▼
Fond du Lac County has 5,061 total drinking water violations across 211 water systems, of which 1,184 are health-based violations. 72.0% of systems have at least one violation.
How many people get water from Fond du Lac County systems? ▼
Water systems in Fond du Lac County serve approximately 86,612 people through 211 public water systems.
Has PFAS been detected in Fond du Lac County water? ▼
Of 3 water systems tested for PFAS in Fond du Lac County, 2 had PFAS detected (66.7% detection rate).
What types of water sources supply Fond du Lac County? ▼
Water systems in Fond du Lac 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. 23.4% of Fond du Lac 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.