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

Home hazard report for 98617 — Dallesport, WA

ZIP 98617 is served by Dallesport Water District: no health-based violations since 2016, latest lead result 0 ppb, PFAS not tested. Klickitat County is in EPA radon zone 2.

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Where ZIP 98617 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: Dallesport Water District

EPA IDWA5317715
People served598
Sourcegroundwater (wells)
Connections305

Health-based violations

No health-based violations reported since 2016.

Full record for Dallesport Water District →

Lead

Jan 20220 ppb
Jan 20191 ppb
Jan 20161.2 ppb
Jan 20131.1 ppb
Jan 20102 ppb
Jan 200712 ppb
Jan 20041 ppb
Jan 20012 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 Klickitat 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 Very High, with relatively high social vulnerability and relatively low community resilience.

Ice stormVery High
Riverine floodingVery High
WildfireVery High
Cold waveRelatively High
LightningRelatively High
Winter weatherRelatively High
EarthquakeRelatively Moderate
Heat waveRelatively Moderate
LandslideRelatively Moderate
Strong windRelatively Moderate
Volcanic activityRelatively Moderate
HailRelatively Low
AvalancheVery Low
DroughtVery 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
Union Pacific Railroad Co. Tie-Treating Plant
The Dalles, Oregon · EPA ID ORD009049412
Active (final NPL)3.3 mi
Martin-Marietta Aluminum Co.
The Dalles, Oregon · EPA ID ORD052221025
Cleaned up & deleted3.6 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 Dallesport? See the 2026 conforming, FHA and jumbo loan limits for Klickitat 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 98617

Who supplies drinking water to ZIP 98617?

Dallesport Water District (EPA ID WA5317715), a groundwater (wells) system serving about 598 people.

Is there lead in Dallesport, WA tap water?

The utility’s latest 90th-percentile lead result (Jan 2022) 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 Dallesport, 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 98617 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 98617?

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

Are there Superfund sites near 98617?

The nearest active Superfund site is 3.3 miles away. Sites within 10 miles: Union Pacific Railroad Co. Tie-Treating Plant (3.3 mi, Active (final NPL)); Martin-Marietta Aluminum Co. (3.6 mi, Cleaned up & deleted).

Is radon a problem in Klickitat County?

Klickitat 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.