B79/100
PORT WASHINGTON WATERWORKS — Water Quality Report 2026
Serving 12,853 people · Wisconsin
Water Source
Surface Water
County
—
System ID
WI2460054
Violations
14
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.006 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2017.
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 PORT WASHINGTON WATERWORKS
Is PORT WASHINGTON WATERWORKS water safe to drink?
PORT WASHINGTON WATERWORKS water receives a grade of B (79/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has PORT WASHINGTON WATERWORKS detected?
69 contaminants were tested in PORT WASHINGTON WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does PORT WASHINGTON WATERWORKS have any EPA violations?
Yes, PORT WASHINGTON WATERWORKS has 14 EPA violation(s) on record, with the most recent in 2017. Violation types include MR, Other, MCL. 1 are health-based violations.
How many people does PORT WASHINGTON WATERWORKS serve?
PORT WASHINGTON WATERWORKS serves approximately 12,853 people, Wisconsin. The system provides water to 1 community: Port Washington.
What type of water does PORT WASHINGTON WATERWORKS provide?
PORT WASHINGTON WATERWORKS sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is WI2460054.
How does PORT WASHINGTON WATERWORKS compare to other utilities in Wisconsin?
PORT WASHINGTON WATERWORKS scores 79/100 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.