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Menomonee Falls, WI Tap Water Quality 2026

Water quality report for Menomonee Falls, WI — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Menomonee Falls's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Menomonee Falls Ww - Surface Water PWSID: WI2680082 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 2.10 ppb, 14% of the action level and no violations are open. PFAS was sampled but not enough times for a compliance determination.

B

Menomonee Falls earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 2.10 ppb — 14% of the federal action level
PFAS sampled, too few results to judge
2 violations since 2015, 1 health-based
No violations currently open
Menomonee Falls's lead level vs. all Wisconsin community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 2.10 ppb — 14% of the federal action level
✓ Lower lead than 50% of Wisconsin utilities
Population Served
34092
~8839 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
2 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
14% of EPA action level
2.10 ppb
Action level: 15 ppb
The 90th-percentile lead result is 2.10 ppb, 14% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Revised Total Coliform Rule TREATMENT TECHNIQUE — — 2016 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2016 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

2 violations are on record since 2015, of which 1 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Menomonee Falls Ww - Surface Water
PWSID WI2680082
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 34,092
Service connections 8,839
Systems serving this area 6
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Menomonee Falls tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 2.10 ppb, 14% of the action level.
Does Menomonee Falls water have PFAS? ▼
It was sampled, but no sampling point had enough results for a compliance determination.
Who supplies water to Menomonee Falls? ▼
Menomonee Falls Ww - Surface Water (PWSID WI2680082), one of 6 systems serving this area. Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2025-06-04. No significant deficiencies were recorded.

What Should Menomonee Falls Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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