PlainWater
Counties → Wisconsin

Dunn County, Wisconsin

Water Systems
85
Population Served
26,162
Total Violations
3,619
557 health-based
PFAS Detected
0
of 1 tested

Violation Analysis

75.3%
Systems with Violations
42.6
Avg Violations per System
15.4%
Health-Based Violations

Water Source Types

GW
50 systems (59%)

PFAS Contamination

1
Systems Tested
0
PFAS Detected
0.0%
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

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

No violations on record (11) One or more violations (39)

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
Menomonie Waterworks 15,950 468 Clean
Colfax Waterworks 1,102 17 -
Boyceville Waterworks 1,043 58 -
Elk Mound Waterworks 895 11 -
Birch Terrace Mobile Home Community 700 14 -
Knapp Waterworks 486 82 -
Synergy Cooperative - Ridgeland 475 35 -
Rock Falls Raceway Main Bldg 410 15 -
Wheeler Waterworks Assoc 317 288 -
Buttons Bakery & Boutique 301 0 -
Rock Falls Raceway North Concessions 300 2 -
Downsville Sanitary District 250 38 -
Kyotes Den 250 3 -
Synergy Cooperative - Sand Creek 175 4 -
St Henry's Catholic Church 151 8 -
Marell Country Estates 150 37 -
Synergy Cooperative Hardware - Ridgeland 150 0 -
Pinewood Golf Course 150 0 -
Vino Cappuccino Artisan Bistro 105 0 -
Elk Mound Village Park Pavilion 100 0 -
Grain Bin Butchery & Market, LLC The 100 0 -
Sportsmens Bar & Grill 100 2 -
Dairyland Cafe 100 0 -
Little Elk Creek Lutheran Church 100 12 -
Cedar Falls Acres MHP 95 372 -
Tainter Woods Condominiums 85 104 -
Rock Creek Lutheran Church 60 23 -
Elk Point Resort Tavern 60 3 -
River Villa Mobile Home Court 60 53 -
Faith Evangelical Free Church 50 0 -
Countryside Mobile Homes 50 213 -
Hmong Menomonie Alliance Church 50 422 -
Twin Springs Campground LLC 50 30 -
Tainter United Methodist Church 50 3 -
Grandpa Joes Trailside 50 0 -
Pioneer Grill & Saloon 50 9 -
Birds Place LLC 50 3 -
Backwoods Bar 50 3 -
Blind Spot The 50 3 -
Little Midway Inc 50 0 -
Tanglewood Greens LLC 50 3 -
Myron Park 50 11 -
Skate Ranch The 50 5 -
Nedland Industries 45 21 -
West Akers Lutheran Church 45 3 -
Jeremiahs Bullfrog Fish Farm 40 22 -
New Hope Lutheran Church-Sand Creek 40 44 -
Shady Oaks MHP 40 825 -
Seventh Day Adventist Church 40 0 -
Barum Lutheran Church 40 8 -

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 Dunn County? ▼
Dunn County has 3,619 total drinking water violations across 85 water systems, of which 557 are health-based violations. 75.3% of systems have at least one violation.
How many people get water from Dunn County systems? ▼
Water systems in Dunn County serve approximately 26,162 people through 85 public water systems.
Has PFAS been detected in Dunn County water? ▼
Of 1 water systems tested for PFAS in Dunn County, 0 had PFAS detected (0.0% detection rate).
What types of water sources supply Dunn County? ▼
Water systems in Dunn 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. 15.4% of Dunn 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.