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

Home hazard report for 74360 — Picher, OK

ZIP 74360 is served by Quapaw Tribe: 1 violation since 2016, latest lead result 0 ppb, PFAS not tested. Ottawa County is in EPA radon zone 3.

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Where ZIP 74360 is

Dashed: ZIP area · 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: Quapaw Tribe

EPA IDOK2005812
People served55
Sourcegroundwater (wells)
Connections16

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Lead and Copper Rule Revisions1

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 Oct 2024.

Full record for Quapaw Tribe →

Lead

Jul 20250 ppb
Jan 20250 ppb
Jan 20210 ppb
Jan 20150 ppb
Jan 20120 ppb
Jan 20090 ppb
Jan 20060 ppb
Jan 20052.9 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”)

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5).

Radon in Ottawa County

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 →

Natural hazard risk

FEMA rates the overall natural-hazard risk of this neighborhood (census tract) as Relatively High, with very high social vulnerability and relatively low community resilience.

Ice stormVery High
Riverine floodingVery High
Strong windVery High
Cold waveRelatively High
DroughtRelatively High
Heat waveRelatively High
LightningRelatively High
TornadoRelatively High
Winter weatherRelatively High
HailRelatively Moderate
WildfireRelatively Moderate
EarthquakeRelatively Low
LandslideRelatively Low
HurricaneVery Low

FEMA National Risk Index (December 2025): expected annual losses from each hazard combined with social vulnerability and community resilience, rated relative to all U.S. census tracts. Hazards not listed are not applicable here. It describes the area, not a single building; flood insurance maps (FEMA FIRMs) decide flood-insurance requirements.

Live conditions: river gauges and flood levels · tornado warnings · wildfire detections · earthquakes — our sister maps, updated from NOAA, USGS and NASA every few minutes.

Superfund sites nearby

SiteStatusDistance
Cherokee County
Cherokee County, Kansas · EPA ID KSD980741862
Active (final NPL)1.8 mi
Tar Creek (Ottawa County)
Ottawa County, Oklahoma · EPA ID OKD980629844
Active (final NPL)2.5 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.

Buying a home in Picher? See the 2026 conforming, FHA and jumbo loan limits for Ottawa County →

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 74360

Who supplies drinking water to ZIP 74360?

Quapaw Tribe (EPA ID OK2005812), a groundwater (wells) system serving about 55 people.

Is there lead in Picher, OK tap water?

The utility’s latest 90th-percentile lead result (Jul 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 Picher, OK water have PFAS?

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).

Has the water system in 74360 had violations?

Health-based violations since 2016: Lead and Copper Rule Revisions. All are listed as resolved.

What natural hazards affect ZIP 74360?

FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively High; the highest-rated hazards are ice storm (very high), riverine flooding (very high), strong wind (very high).

Are there Superfund sites near 74360?

Active or proposed Superfund (National Priorities List) sites near the center of this ZIP code. Sites within 10 miles: Cherokee County (1.8 mi, Active (final NPL)); Tar Creek (Ottawa County) (2.5 mi, Active (final NPL)).

Is radon a problem in Ottawa County?

Ottawa County 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.