EPA data as of Oct 2026 · page updated 2026-10-29

Home hazard report for 46288 — Indianapolis, IN

ZIP 46288 is served by Carmel Water Department: 2 violations since 2016, latest lead result 2.9 ppb, PFAS not detected. Hamilton is in EPA radon zone 1.

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Where ZIP 46288 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: Carmel Water Department

EPA IDIN5229004
People served99,927
Sourcesurface water (rivers, lakes)
Connections36,337

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Groundwater Rule1
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 Jan 2024.

Full record for Carmel Water Department →

Lead

Jan 20212.9 ppb
Jan 20185.1 ppb
Jan 20153.8 ppb
Jan 20122.3 ppb
Jan 20118.6 ppb
Jan 20082.5 ppb
Jan 20056 ppb
Jan 20025 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
HFPO-DA (GenX)not detected0 of 10—
PFBAnot detected0 of 10—
PFPeAnot detected0 of 10—
PFHxAnot detected0 of 10—
PFDAnot detected0 of 10—
PFOAnot detected0 of 104 ppt MCL
PFOSnot detected0 of 104 ppt MCL
PFNAnot detected0 of 10—
PFHxSnot detected0 of 10—
PFHpAnot detected0 of 10—
PFBSnot detected0 of 10—

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 Hamilton

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
Keystone Corridor Ground Water Contamination
Indianapolis, Indiana · EPA ID INN000510399
Active (final NPL)7.3 mi
Northside Sanitary Landfill, Inc.
Zionsville, Indiana · EPA ID IND050530872
Active (final NPL)8.7 mi
Envirochem Corp.
Zionsville, Indiana · EPA ID IND084259951
Active (final NPL)9.0 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 Indianapolis? See the 2026 conforming, FHA and jumbo loan limits for Hamilton →

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 46288

Who supplies drinking water to ZIP 46288?

Carmel Water Department (EPA ID IN5229004), a surface water (rivers, lakes) system serving about 99,927 people.

Is there lead in Indianapolis, IN tap water?

The utility’s latest 90th-percentile lead result (Jan 2021) was 2.9 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 Indianapolis, IN water have PFAS?

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

Has the water system in 46288 had violations?

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

Are there Superfund sites near 46288?

The nearest active Superfund site is 7.3 miles away. Sites within 10 miles: Keystone Corridor Ground Water Contamination (7.3 mi, Active (final NPL)); Northside Sanitary Landfill, Inc. (8.7 mi, Active (final NPL)); Envirochem Corp. (9.0 mi, Active (final NPL)).

Is radon a problem in Hamilton?

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