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

Home hazard report for 97761 — Warm Springs, OR

ZIP 97761 is served by Sidwalter: 5 violations since 2016, latest lead result 7.9 ppb, PFAS not tested. Wasco County is in EPA radon zone 2.

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Where ZIP 97761 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: Sidwalter

EPA ID104101101
People served130
Sourcegroundwater (wells)
Connections36

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Groundwater Rule4
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. 4 still listed as unresolved (“unaddressed” or “addressed” but not yet returned to compliance); the latest began Apr 2025.

Full record for Sidwalter →

Lead

Jan 20267.9 ppb
Jan 20190 ppb
Jan 20162 ppb
Jan 201310 ppb
Jan 20101 ppb
Jan 20070 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 Wasco 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 Moderate, with very high social vulnerability and relatively low community resilience.

LightningRelatively High
WildfireRelatively High
Winter weatherRelatively High
Cold waveRelatively Moderate
EarthquakeRelatively Low
HailRelatively Low
LandslideRelatively Low
Riverine floodingRelatively Low
Strong windRelatively Low
Volcanic activityRelatively Low
AvalancheVery Low
DroughtVery Low
Heat waveVery 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

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 Warm Springs? See the 2026 conforming, FHA and jumbo loan limits for Wasco 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 97761

Who supplies drinking water to ZIP 97761?

Sidwalter (EPA ID 104101101), a groundwater (wells) system serving about 130 people.

Is there lead in Warm Springs, OR tap water?

The utility’s latest 90th-percentile lead result (Jan 2026) was 7.9 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 Warm Springs, OR 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 97761 had violations?

Health-based violations since 2016: Groundwater Rule, Lead and Copper Rule Revisions. 4 are still listed as unresolved in EPA records.

What natural hazards affect ZIP 97761?

FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively Moderate; the highest-rated hazards are lightning (relatively high), wildfire (relatively high), winter weather (relatively high).

Are there Superfund sites near 97761?

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

Is radon a problem in Wasco County?

Wasco 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.