C47/100
PRESCOTT WATERWORKS — Water Quality Report 2026
Serving 4,258 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI6480243
Violations
18
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFHxS | 0.016 µg/L | 0.010 µg/L | Over Limit |
PFOA | 0.010 µg/L | 0.004 µg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
1
Health-Related
TIER 1 — URGENTUnresolved
Exceeded the Maximum Contaminant Level (running average)
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About PRESCOTT WATERWORKS
Is PRESCOTT WATERWORKS water safe to drink?
PRESCOTT WATERWORKS water receives a grade of C (47/100), which is considered fair. 2 contaminant(s) exceed EPA legal limits and 18 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has PRESCOTT WATERWORKS detected?
31 contaminants were tested in PRESCOTT WATERWORKS's water. Notable contaminants include PFOA, PFHxS, Lead (90th percentile). 2 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does PRESCOTT WATERWORKS have any EPA violations?
Yes, PRESCOTT WATERWORKS has 18 EPA violation(s) on record, with the most recent in 2021. Violation types include MCL, MR, Other. 4 are health-based violations.
How many people does PRESCOTT WATERWORKS serve?
PRESCOTT WATERWORKS serves approximately 4,258 people, Wisconsin. The system provides water to 1 community: Prescott.
What type of water does PRESCOTT WATERWORKS provide?
PRESCOTT WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI6480243.
How does PRESCOTT WATERWORKS compare to other utilities in Wisconsin?
PRESCOTT WATERWORKS scores 47/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Wisconsin state page for a full comparison of water systems.