PlainWater
Counties → Wisconsin

Eau Claire County, Wisconsin

Water Systems
111
Population Served
92,606
Total Violations
2,862
651 health-based
PFAS Detected
1
of 2 tested

Violation Analysis

58.6%
Systems with Violations
25.8
Avg Violations per System
22.7%
Health-Based Violations

Water Source Types

GW
50 systems (45%)

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

Eau Claire Wisconsin water systems by violation status, EPA SDWIS records.

No violations on record (16) One or more violations (34)

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
Eau Claire Waterworks 70,587 8 Detected
Altoona Waterworks 9,627 292 Clean
Augusta Waterworks 1,450 306 -
Fall Creek Waterworks 1,269 65 -
Hillcrest Estates MHP 850 46 -
Menards Old Mill Center 730 107 -
Ferguson Orchard-Eau Claire 610 0 -
Haven Christian Church Inc, The 457 0 -
Fairchild Waterworks 451 277 -
Villa Diann MHP 420 76 -
Pine Edge MHP 300 34 -
Crestview Academy Addition 203 10 -
Ec Co Altoona Beach 200 0 -
Ec Co Altoona Boat Landing 200 0 -
McDonalds Restaurant 200 1 -
Menards Distribution Center Office 200 99 -
Priory The 185 84 -
Northstar Middle School Athletic 150 8 -
Cozy MHP LLC Front 111 110 -
Foster Bar 100 42 -
Ec Co Coon Fork Lk Cmpgd Loop A 100 35 -
Mikes Buckhorn Bar 100 8 -
Ec Co Harstad Park Cmpgd 100 0 -
Equity Livestock Sales 100 0 -
Mega Holiday / Burger King 100 6 -
Ec Co Coon Fork Lk Loop C Shower Bldg 100 0 -
Menards Dist Center North 100 0 -
Countryside Estates Mhc 96 48 -
W R R Environmental Services Co Inc 95 136 -
Loyal Order of Moose Lodge 1408 90 5 -
Anthony Acres School 85 48 -
Brackett Bar 80 15 -
Eau Claire Coop Oil Co 80 95 -
From the Roots 79 22 -
Welcome Matt The 75 5 -
Brown Hut Tavern 75 0 -
Harvest Moon Pub & Eatery 75 5 -
Bonnie Vale Park 1 70 28 -
Chippewa Valley Airport Service 65 0 -
Allstate Peterbilt Group 65 4 -
Sandstone Building 64 0 -
Berghs Mobile Home Park 60 27 -
Fellowship Alliance Church 60 0 -
Dicks on 12 60 0 -
Westgate Trap House 60 0 -
Down to Earth - Picture This 56 0 -
Elk Lake Tavern 55 20 -
Precision Pipeline 55 0 -
Bonnie Vale Park 2 51 56 -
St Johns Lutheran Church 50 19 -

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 Eau Claire County? ▼
Eau Claire County has 2,862 total drinking water violations across 111 water systems, of which 651 are health-based violations. 58.6% of systems have at least one violation.
How many people get water from Eau Claire County systems? ▼
Water systems in Eau Claire County serve approximately 92,606 people through 111 public water systems.
Has PFAS been detected in Eau Claire County water? ▼
Of 2 water systems tested for PFAS in Eau Claire County, 1 had PFAS detected (50.0% detection rate).
What types of water sources supply Eau Claire County? ▼
Water systems in Eau Claire 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. 22.7% of Eau Claire 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.