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

Home hazard report for 73143 — Oklahoma City, OK

ZIP 73143 is served by Oklahoma City (as listed by the state): no health-based violations since 2016, latest lead result 0 ppb, PFAS 1 detected. Oklahoma is in EPA radon zone 3.

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Where ZIP 73143 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: Oklahoma City

EPA IDOK1020902
People served644,000
Sourcesurface water (rivers, lakes)
Connections254,388

Health-based violations

No health-based violations reported since 2016.

Full record for Oklahoma City →

Lead

Jan 20250 ppb
Jan 20244.1 ppb
Jan 20230 ppb
Jan 20220 ppb
Jan 20211.4 ppb
Jan 20200.6 ppb
Jan 20192.8 ppb
Jan 20180 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
PFPeA4.7 ppt3 of 8—
PFBSnot detected0 of 8—
PFHpAnot detected0 of 8—
PFHxSnot detected0 of 8—
PFOSnot detected0 of 84 ppt MCL
PFDAnot detected0 of 8—
PFOAnot detected0 of 84 ppt MCL
PFNAnot detected0 of 8—
HFPO-DA (GenX)not detected0 of 8—
PFBAnot detected0 of 8—
PFHxAnot detected0 of 8—

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 Oklahoma

EPA radon zone 3 — low potential. Predicted average under 2 pCi/L — but any home can have high radon, so EPA still recommends a test.

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
Mosley Road Sanitary Landfill
Oklahoma City, Oklahoma · EPA ID OKD980620868
Cleaned up & deleted3.4 mi
Tenth Street Dump/Junkyard
Oklahoma City, Oklahoma · EPA ID OKD980620967
Cleaned up & deleted5.6 mi
Fourth Street Abandoned Refinery
Oklahoma City, Oklahoma · EPA ID OKD980696470
Cleaned up & deleted6.7 mi
Double Eagle Refinery Co.
Oklahoma City, Oklahoma · EPA ID OKD007188717
Cleaned up & deleted7.0 mi
Eagle Industries
Midwest City, Oklahoma · EPA ID OKN000607068
Active (final NPL)8.9 mi
Tinker Air Force Base (Soldier Creek/Building 3001)
Oklahoma City, Oklahoma · EPA ID OK1571724391
Active (final NPL)9.5 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.

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 73143

Who supplies drinking water to ZIP 73143?

Oklahoma City (EPA ID OK1020902), a surface water (rivers, lakes) system serving about 644,000 people, listed by the state as serving this ZIP code.

Is there lead in Oklahoma City, OK tap water?

The utility’s latest 90th-percentile lead result (Jan 2025) was 0 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 Oklahoma City, OK water have PFAS?

PFAS were detected, with PFOA and PFOS below 4.0 ppt (highest not detected).

Has the water system in 73143 had violations?

No health-based violations reported since 2016.

Are there Superfund sites near 73143?

The nearest active Superfund site is 8.9 miles away. Sites within 10 miles: Mosley Road Sanitary Landfill (3.4 mi, Cleaned up & deleted); Tenth Street Dump/Junkyard (5.6 mi, Cleaned up & deleted); Fourth Street Abandoned Refinery (6.7 mi, Cleaned up & deleted).

Is radon a problem in Oklahoma?

Oklahoma is in EPA radon zone 3 (low potential). Predicted average under 2 pCi/L — but any home can have high radon, so EPA still recommends a test.