B67/100
HARTLAND WATERWORKS — Water Quality Report 2026
Serving 9,212 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI2680205
Violations
6
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOS | 0.005 µg/L | 0.004 µg/L | Over Limit |
PFOA | 0.004 µg/L | 0.004 µg/L | Over Limit |
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 2021.
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 HARTLAND WATERWORKS
Is HARTLAND WATERWORKS water safe to drink?
HARTLAND WATERWORKS water receives a grade of B (67/100), which is considered good. Out of 51 contaminants tested, 2 exceed EPA legal limits. 3 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has HARTLAND WATERWORKS detected?
51 contaminants were tested in HARTLAND WATERWORKS's water. Notable contaminants include PFOS, PFOA, Lead (90th percentile). 2 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does HARTLAND WATERWORKS have any EPA violations?
Yes, HARTLAND WATERWORKS has 6 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, MCL, Other. 2 are health-based violations.
How many people does HARTLAND WATERWORKS serve?
HARTLAND WATERWORKS serves approximately 9,212 people, Wisconsin. The system provides water to 1 community: Hartland.
What type of water does HARTLAND WATERWORKS provide?
HARTLAND WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI2680205.
How does HARTLAND WATERWORKS compare to other utilities in Wisconsin?
HARTLAND WATERWORKS scores 67/100 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.