WI2680227
WI
No open health violations

OCONOMOWOC WATERWORKS

Groundwater · Local · 808 S WORTHINGTON ST

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

Utility Overview

Population Served

15,805

Source Type

Groundwater

Ownership

Local

PWSID

WI2680227

Detected Contaminants

CCR data ingestion in progress

Contaminant detection levels from Consumer Confidence Reports are being parsed and linked to utilities. Check back soon, or view the official report directly from the EPA links below.

View on EPA ECHO

Violation History

Sourced from EPA SDWIS. Health-based violations indicate the MCL was exceeded.

MR — E. coli

2025Open

Monitoring & Reporting — Coliform (TCR)

2023Open

MR

2023Open

Other — Nitrate

2007Resolved

Other

2006Open

Related Pages

Wisconsin State Overview

All utilities in WI

Data Sources & Provenance

All data on this page is sourced from official U.S. government or public datasets.

EPA ECHO — Water System & Compliance Report— PWSID WI2680227View source
EPA CCR — Consumer Confidence ReportsView source
Last updated: 2026-04-19
High Confidence
Annual refresh cycle

At a Glance

PWSIDWI2680227
StateWisconsin
Risk Levelsafe
Population Served15,805
Open Health Violations0

Service area match is likely but not guaranteed. Your water bill is the most reliable way to confirm your provider.

Data Sources

EPA ECHO Facility Report EPA CCR Search