PlainEnviro

SUN PRAIRIE UTILITIES

PWSID: WI1130258 · Sun Prairie, WI · Serves 33,966 people

Health Violations

SUN PRAIRIE UTILITIES has 3 health-based violations out of 3 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
33,966
Total Violations
3
Health Violations
3
Source Type
Groundwater

SUN PRAIRIE UTILITIES (PWSID WI1130258) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 33,966 people in Sun Prairie, WI, and is subject to primacy enforcement by the Wisconsin drinking-water program.

The system's federal compliance record contains 3 total violations, with 3 classified as health-based (MCL exceedances or treatment-technique failures). 1 distinct contaminant has been cited, including Manganese. Recorded violations span 2023–2023.

A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Wisconsin state drinking-water program's public portal.

System Details

EPA ID (PWSID)
WI1130258
System Type
CWS
Water Source
Groundwater
Location
Sun Prairie, WI
Population Served
33,966
Health Violations
Yes (3)

What contaminants are in this water system?

Contaminant Violations Health-Based
Manganese 3 3

Violation History (3)

Contaminant Health Date
Manganese Yes Jan 1, 2023
Manganese Yes Jan 1, 2023
Manganese Yes Jan 1, 2023

Frequently Asked Questions

Is SUN PRAIRIE UTILITIES water safe to drink?
SUN PRAIRIE UTILITIES has 3 health-based violations out of 3 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed. The system uses groundwater water as its source.
How many people does SUN PRAIRIE UTILITIES serve?
SUN PRAIRIE UTILITIES serves 33,966 people in Sun Prairie, WI. It is classified as a CWS water system.
What violations does SUN PRAIRIE UTILITIES have?
SUN PRAIRIE UTILITIES has 3 total violations on record spanning 2023–2023. 3 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in SUN PRAIRIE UTILITIES water?
Violations have been recorded for 1 contaminant. The most frequent: Manganese.

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Explore More

Wisconsin Water Systems → All States → Contaminants →

About This Data

Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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

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