A87/100
Menasha Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 20,644 residents · Wisconsin
What's In Menasha's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
2
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 320.88 µg/L | — | Above Goal |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2015.
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
Water Utility Details
HARRISON UTILITIES - FKA WAVERLY SD
Population Served
5,500
Water Source
Purchased Surface Water
System ID
WI4080076
MENASHA ELEC & WATER UTIL
Population Served
15,144
Water Source
Surface Water
System ID
WI4710334
Frequently Asked Questions About Menasha Water
Is Menasha tap water safe to drink?
Menasha, Wisconsin tap water receives a grade of A (87/100), which is considered excellent. Out of 70 contaminants tested, 1 exceed EPA maximum contaminant levels (MCLs) and 3 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Menasha's water?
Of the 70 contaminants tested in Menasha's water supply, the most notable include Copper (90th percentile), Lead (90th percentile), chlorate. 1 contaminant(s) exceed EPA legal limits (MCLs). 3 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Menasha have any water quality violations?
Yes, Menasha has 12 EPA violation(s) on record, with the most recent in 2015. Violation types include Other, MR. None of these are classified as health-based violations.
Do I need a water filter in Menasha?
Based on EPA data, using a water filter in Menasha is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Menasha's tap water come from?
Menasha's drinking water is sourced from purchased surface water and supplied by HARRISON UTILITIES - FKA WAVERLY SD and 1 other water system(s). The system serves approximately 20,644 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Menasha's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Menasha's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Menasha's water compare to other cities in Wisconsin?
Menasha's water quality score of 87/100 earns a grade of A, which is considered excellent. This places Menasha among the better-performing water systems in Wisconsin. Visit our Wisconsin state page to see how all cities in the state compare.
What should I do if I'm concerned about Menasha's water quality?
If you have concerns about Menasha's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (HARRISON UTILITIES - FKA WAVERLY SD) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.