F15/100
Menomonee Falls Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 25,663 residents · Wisconsin
What's In Menomonee Falls's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
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
MENOMONEE FALLS WW - SURFACE WATER
Population Served
23,867
Water Source
Purchased Surface Water
System ID
WI2680082
MENOMONEE FALLS WW - GROUNDWATER
Population Served
1,796
Water Source
Groundwater
System ID
WI2685747
Frequently Asked Questions About Menomonee Falls Water
Is Menomonee Falls tap water safe to drink?
Menomonee Falls, Wisconsin tap water receives a grade of F (15/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 174 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Menomonee Falls's water?
Of the 72 contaminants tested in Menomonee Falls's water supply, the most notable include Lead (90th percentile), strontium. No contaminants exceed EPA legal limits. 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Menomonee Falls have any water quality violations?
Yes, Menomonee Falls has 174 EPA violation(s) on record, with the most recent in 2016. Violation types include TT, RPT, Other. 6 of these are health-based violations, which are the most serious category.
Do I need a water filter in Menomonee Falls?
Menomonee Falls water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 2 contaminant(s) exceed these stricter goals.
Where does Menomonee Falls's tap water come from?
Menomonee Falls's drinking water is sourced from purchased surface water and supplied by MENOMONEE FALLS WW - SURFACE WATER and 1 other water system(s). The system serves approximately 25,663 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Menomonee Falls'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. Menomonee Falls'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 Menomonee Falls's water compare to other cities in Wisconsin?
Menomonee Falls's water quality score of 15/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our Wisconsin state page to see how all cities in the state compare.
What should I do if I'm concerned about Menomonee Falls's water quality?
If you have concerns about Menomonee Falls'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 (MENOMONEE FALLS WW - SURFACE WATER) 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.