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

Home hazard report for 98951 — Wapato, WA

ZIP 98951 is served by Lombard Loop Water Association: no health-based violations since 2016, latest lead result 2.2 ppb, PFAS not tested. Yakima County is in EPA radon zone 2.

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Where ZIP 98951 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: Lombard Loop Water Association

EPA IDWA5347820
People served180
Sourcegroundwater (wells)
Connections73

Health-based violations

No health-based violations reported since 2016.

Full record for Lombard Loop Water Association →

Lead

Jan 20222.2 ppb
Jan 20170.9 ppb
Jan 20141.7 ppb
Jan 20111.4 ppb
Jan 20083.8 ppb
Jan 20052.4 ppb
Jan 20011.9 ppb
Jan 19981 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 Yakima County

EPA radon zone 2 — moderate potential. Predicted average indoor radon between 2 and 4 pCi/L. Test your home; many homes here exceed 4 pCi/L.

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 relatively low social vulnerability and very low community resilience.

Cold waveRelatively High
Riverine floodingRelatively High
WildfireRelatively High
AvalancheRelatively Moderate
EarthquakeRelatively Moderate
HailRelatively Moderate
Heat waveRelatively Moderate
Strong windRelatively Moderate
Winter weatherRelatively Moderate
DroughtRelatively Low
LandslideRelatively Low
LightningRelatively Low
Volcanic activityRelatively Low
Ice stormVery Low
TornadoVery 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
FMC Corp. (Yakima)
Yakima, Washington · EPA ID WAD000643577
Active (final NPL)7.7 mi
Yakima Plating Co.
Yakima, Washington · EPA ID WAD040187890
Cleaned up & deleted8.0 mi
Pesticide Lab (Yakima)
Yakima, Washington · EPA ID WAD120513957
Cleaned up & deleted9.1 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 98951

Who supplies drinking water to ZIP 98951?

Lombard Loop Water Association (EPA ID WA5347820), a groundwater (wells) system serving about 180 people.

Is there lead in Wapato, WA tap water?

The utility’s latest 90th-percentile lead result (Jan 2022) was 2.2 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 Wapato, WA 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 98951 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 98951?

FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively High; the highest-rated hazards are cold wave (relatively high), riverine flooding (relatively high), wildfire (relatively high).

Are there Superfund sites near 98951?

The nearest active Superfund site is 7.7 miles away. Sites within 10 miles: FMC Corp. (Yakima) (7.7 mi, Active (final NPL)); Yakima Plating Co. (8.0 mi, Cleaned up & deleted); Pesticide Lab (Yakima) (9.1 mi, Cleaned up & deleted).

Is radon a problem in Yakima County?

Yakima County is in EPA radon zone 2 (moderate potential). Predicted average indoor radon between 2 and 4 pCi/L. Test your home; many homes here exceed 4 pCi/L.