PlainWater
Counties → Wisconsin

Vernon County, Wisconsin

Water Systems
66
Population Served
16,861
Total Violations
2,410
483 health-based
PFAS Detected
0
of 1 tested

Violation Analysis

84.8%
Systems with Violations
36.5
Avg Violations per System
20.0%
Health-Based Violations

Water Source Types

GW
50 systems (76%)

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

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

No violations on record (7) One or more violations (43)

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
Viroqua Waterworks 4,362 31 Clean
Westby Waterworks 2,400 13 -
Hillsboro Waterworks 1,325 93 -
Stoddard Waterworks 793 148 -
Coon Valley Waterworks 765 17 -
La Farge Waterworks 712 28 -
Viola Waterworks 667 74 -
Ontario Waterworks 554 77 -
DE Soto High-Middle School 403 185 -
Kickapoo Corners Family Restaurant 400 23 -
Readstown Waterworks 395 163 -
Chaseburg Waterworks Village Of 306 24 -
End of Trail Horse Camp 300 0 -
Genoa Waterworks 264 138 -
Edgewood Mobile Home Park 180 130 -
Trail Ridge Ranch - Cafeteria 175 9 -
Prairie View Elementary School 150 144 -
Kickapoo Kwik Stop 150 9 -
Treetop View LLC 121 0 -
Pikes Den 100 21 -
Mt Pisgah Wesleyan Church 100 54 -
WI DNR Wildcat Mt New Main Well 100 30 -
WI DNR Wildcat Mt Horse Camp 100 44 -
Southwest Prairie Lutheran 100 11 -
DE Soto Lutheran Church 100 10 -
Black Hawk Park-1989 Well 100 1 -
Bright Spot 100 0 -
Kickapoo Creekside 100 4 -
Bad Axe Lutheran Church 90 23 -
Kids at Play Child Care Center 85 173 -
Living Waters Bible Cp Dining Hall 75 0 -
Middle Coon Valley Lutheran Church 75 15 -
Mississippi Sports & Recreation 75 253 -
Black Hawk Park-1961 Well 75 9 -
North Coon Prairie Luth Church 70 5 -
Liberty Pole Methodist 65 51 -
Marell Courts and Rentals LLC 60 41 -
Lower Coon Valley Lutheran Church 50 33 -
New Hope United Methodist Church 50 0 -
Pine Crest Resort 1 41 5 -
Ohenrys Cmpgd Upper Well 40 24 -
Great River Road House 40 24 -
Rockton Bar 40 20 -
Township Bowl 30 5 -
Hickory Hill Motel 30 21 -
Vang Lutheran Church 30 20 -
Vernon Co 5 Rentz Memorial Pk - Esofea 30 23 -
Redmound Country Store 30 0 -
Genoa National Fish Hatchery Interpretive Center 30 4 -
Old Country Cheese 27 0 -

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 Vernon County? ▼
Vernon County has 2,410 total drinking water violations across 66 water systems, of which 483 are health-based violations. 84.8% of systems have at least one violation.
How many people get water from Vernon County systems? ▼
Water systems in Vernon County serve approximately 16,861 people through 66 public water systems.
Has PFAS been detected in Vernon County water? ▼
Of 1 water systems tested for PFAS in Vernon County, 0 had PFAS detected (0.0% detection rate).
What types of water sources supply Vernon County? ▼
Water systems in Vernon 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. 20.0% of Vernon 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.