B69/100
PLATTEVILLE WATERWORKS — Water Quality Report 2026
Serving 12,268 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI1220115
Violations
28
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.010 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 PLATTEVILLE WATERWORKS
Is PLATTEVILLE WATERWORKS water safe to drink?
PLATTEVILLE WATERWORKS water receives a grade of B (69/100), which is considered good. Out of 51 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has PLATTEVILLE WATERWORKS detected?
51 contaminants were tested in PLATTEVILLE WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does PLATTEVILLE WATERWORKS have any EPA violations?
Yes, PLATTEVILLE WATERWORKS has 28 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, Other.
How many people does PLATTEVILLE WATERWORKS serve?
PLATTEVILLE WATERWORKS serves approximately 12,268 people, Wisconsin. The system provides water to 1 community: Platteville.
What type of water does PLATTEVILLE WATERWORKS provide?
PLATTEVILLE WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI1220115.
How does PLATTEVILLE WATERWORKS compare to other utilities in Wisconsin?
PLATTEVILLE WATERWORKS scores 69/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Wisconsin state page for a full comparison of water systems.