B74/100
NEENAH WATERWORKS — Water Quality Report 2026
Serving 27,506 people · Wisconsin
Water Source
Surface Water
County
—
System ID
WI4710348
Violations
11
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 2013.
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 NEENAH WATERWORKS
Is NEENAH WATERWORKS water safe to drink?
NEENAH WATERWORKS water receives a grade of B (74/100), 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 NEENAH WATERWORKS detected?
69 contaminants were tested in NEENAH WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does NEENAH WATERWORKS have any EPA violations?
Yes, NEENAH WATERWORKS has 11 EPA violation(s) on record, with the most recent in 2013. Violation types include MCL, MR, TT. 3 are health-based violations.
How many people does NEENAH WATERWORKS serve?
NEENAH WATERWORKS serves approximately 27,506 people, Wisconsin. The system provides water to 1 community: Neenah.
What type of water does NEENAH WATERWORKS provide?
NEENAH 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 WI4710348.
How does NEENAH WATERWORKS compare to other utilities in Wisconsin?
NEENAH WATERWORKS scores 74/100 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.