EPA data as of Oct 2026 · page updated 2026-10-30

Home hazard report for 53052 — Menomonee Falls, WI

ZIP 53052 is served by Menomonee Falls Ww - Surface Water: 1 violation since 2016, latest lead result 2.1 ppb, PFAS not detected. Waukesha is in EPA radon zone 1.

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Where ZIP 53052 is

blue: utility service area · scroll or pinch to zoom
ZIP code areaZIP center Water utility service area PFOA/PFOS ≥ 4 ppt Lead > 15 ppb 5+ violations Superfund site (active) proposed cleaned up Circles: other water systems flagged nearby; size = people served. Tap any symbol for details.

Drinking water: Menomonee Falls Ww - Surface Water

EPA IDWI2680082
People served23,867
Sourcesurface water (rivers, lakes)
Connections8,839

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Revised Total Coliform Rule1

A health-based violation means a contaminant exceeded its legal limit (MCL) or a required treatment technique was not met, as reported by the state to EPA’s SDWIS. All are listed as resolved or archived; the latest began Nov 2016.

Full record for Menomonee Falls Ww - Surface Water →

Lead

Jun 20232.1 ppb
Jul 20203.4 ppb
Jun 20173.3 ppb
Jun 20144.6 ppb
Jun 20115.8 ppb
Jan 20086.7 ppb
Jan 200512.7 ppb
Jan 20049.6 ppb

90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.

PFAS (“forever chemicals”)

CompoundHighest resultSamples with detectionEPA limit
PFOAnot detected0 of 44 ppt MCL
PFHxSnot detected0 of 4—
PFNAnot detected0 of 4—
PFPeAnot detected0 of 4—
PFHxAnot detected0 of 4—
PFOSnot detected0 of 44 ppt MCL
PFHpAnot detected0 of 4—
PFBAnot detected0 of 4—
PFDAnot detected0 of 4—
HFPO-DA (GenX)not detected0 of 4—
PFBSnot detected0 of 4—

EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR 5), samples 2023–2025; ppt = parts per trillion (ng/L). The 4.0 ppt maximum contaminant levels for PFOA and PFOS were set by EPA in 2024; water systems have until the end of the decade to comply.

Radon in Waukesha

EPA radon zone 1 — highest potential. Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.

Radon is a colorless, odorless radioactive gas from soil and rock, and the leading cause of lung cancer among non-smokers. EPA recommends fixing a home at 4 pCi/L or above and considering it from 2 pCi/L. A short-term test kit costs about $15–30. How radon zones work →

Superfund sites nearby

SiteStatusDistance
Omega Hills North Landfill
Germantown, Wisconsin · EPA ID WID000808568
Cleaned up & deleted2.5 mi
Lauer I Sanitary Landfill
Menomonee Falls, Wisconsin · EPA ID WID058735994
Active (final NPL)2.6 mi
Moss-American Co., Inc. (Kerr-McGee Oil Co.)
Milwaukee, Wisconsin · EPA ID WID039052626
Active (final NPL)3.8 mi
Master Disposal Service Landfill
Brookfield, Wisconsin · EPA ID WID980820070
Active (final NPL)6.4 mi
Waste Management of Wisconsin, Inc. (Brookfield Sanitary Landfill)
Brookfield, Wisconsin · EPA ID WID980901235
Active (final NPL)9.2 mi

EPA Superfund National Priorities List (NPL): the country’s most serious known hazardous-waste sites, each with an EPA cleanup record (linked). Distance is measured from the ZIP center to the site’s reference point; being near a site does not by itself mean exposure — EPA site pages describe what was found and how it is being cleaned up.

Buying a home in Menomonee Falls? See the 2026 conforming, FHA and jumbo loan limits for Waukesha →

What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.

Questions about 53052

Who supplies drinking water to ZIP 53052?

Menomonee Falls Ww - Surface Water (EPA ID WI2680082), a surface water (rivers, lakes) system serving about 23,867 people.

Is there lead in Menomonee Falls, WI tap water?

The utility’s latest 90th-percentile lead result (Jun 2023) was 2.1 ppb; EPA’s action level is 15 ppb, falling to 10 ppb from 2027. Lead mostly comes from service lines and home plumbing, so the only way to know your tap is to test it.

Does Menomonee Falls, WI water have PFAS?

None of the tested PFAS were found above EPA’s reporting limits in 2023–2025.

Has the water system in 53052 had violations?

Health-based violations since 2016: Revised Total Coliform Rule. All are listed as resolved.

Are there Superfund sites near 53052?

Active or proposed Superfund (National Priorities List) sites near the center of this ZIP code. Sites within 10 miles: Omega Hills North Landfill (2.5 mi, Cleaned up & deleted); Lauer I Sanitary Landfill (2.6 mi, Active (final NPL)); Moss-American Co., Inc. (Kerr-McGee Oil Co.) (3.8 mi, Active (final NPL)).

Is radon a problem in Waukesha?

Waukesha is in EPA radon zone 1 (highest potential). Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.