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

Home hazard report for 73744 — Hitchcock, OK

ZIP 73744 is served by North Blaine Water Corp: 5 violations since 2016, latest lead result 11.6 ppb, PFAS not tested. Blaine County is in EPA radon zone 3.

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Where ZIP 73744 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: North Blaine Water Corp

EPA IDOK2000606
People served960
Sourcegroundwater (wells)
Connections1,032

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Nitrate-Nitrite5

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 Jul 2017.

Full record for North Blaine Water Corp →

Other systems overlapping this ZIP: Hitchcock Public Works Auth..

Lead

Jan 202511.6 ppb
Jan 20244.3 ppb
Jan 20234.4 ppb
Jan 20220 ppb
Jul 20210 ppb
Jan 20190 ppb
Jan 20165.2 ppb
Jan 20130 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 Blaine 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 Moderate, with relatively high social vulnerability and relatively low community resilience.

Ice stormVery High
Cold waveRelatively High
DroughtRelatively High
HailRelatively High
Strong windRelatively High
TornadoRelatively Moderate
WildfireRelatively Moderate
Winter weatherRelatively Moderate
Heat waveRelatively Low
LandslideRelatively Low
Riverine floodingRelatively Low
EarthquakeVery Low
HurricaneVery Low
LightningVery 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

No site on EPA’s Superfund National Priorities List lies within 10 miles of the center of this ZIP code.

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 Hitchcock? See the 2026 conforming, FHA and jumbo loan limits for Blaine 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 73744

Who supplies drinking water to ZIP 73744?

North Blaine Water Corp (EPA ID OK2000606), a groundwater (wells) system serving about 960 people.

Is there lead in Hitchcock, OK tap water?

The utility’s latest 90th-percentile lead result (Jan 2025) was 11.6 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 Hitchcock, 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 73744 had violations?

Health-based violations since 2016: Nitrate-Nitrite. All are listed as resolved.

What natural hazards affect ZIP 73744?

FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively Moderate; the highest-rated hazards are ice storm (very high), cold wave (relatively high), drought (relatively high).

Are there Superfund sites near 73744?

No active Superfund site within 10 miles of the ZIP center.

Is radon a problem in Blaine County?

Blaine 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.