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

Home hazard report for 98295 — Sumas, WA

ZIP 98295 is served by Sumas Rural Water Association: no health-based violations since 2016, latest lead result 0 ppb, PFAS not tested. Whatcom County is in EPA radon zone 3.

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Where ZIP 98295 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: Sumas Rural Water Association

EPA IDWA5384850
People served612
Sourcegroundwater (wells)
Connections199

Health-based violations

No health-based violations reported since 2016.

Full record for Sumas Rural Water Association →

Other systems overlapping this ZIP: Nooksack Valley Water Association, Sumas Water Dept.

Lead

Jan 20210 ppb
Jan 20191 ppb
Jan 20161 ppb
Jan 20121 ppb
Jan 20091 ppb
Jan 20061 ppb
Jan 20032.5 ppb
Jan 20001 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 Whatcom 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 Very High, with very low social vulnerability and relatively high community resilience.

AvalancheRelatively High
EarthquakeRelatively High
Ice stormRelatively High
Riverine floodingRelatively High
Cold waveRelatively Moderate
Volcanic activityRelatively Moderate
Winter weatherRelatively Moderate
Heat waveRelatively Low
LandslideRelatively Low
LightningRelatively Low
WildfireRelatively Low
DroughtVery Low
Strong windVery 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
Northwest Transformer (South Harkness Street)
Everson, Washington · EPA ID WAD027315621
Cleaned up & deleted8.0 mi
Northwest Transformer
Everson, Washington · EPA ID WAD980833974
Cleaned up & deleted9.6 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.

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 98295

Who supplies drinking water to ZIP 98295?

Sumas Rural Water Association (EPA ID WA5384850), a groundwater (wells) system serving about 612 people.

Is there lead in Sumas, WA tap water?

The utility’s latest 90th-percentile lead result (Jan 2021) 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 Sumas, 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 98295 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 98295?

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

Are there Superfund sites near 98295?

No active Superfund site within 10 miles of the ZIP center. Sites within 10 miles: Northwest Transformer (South Harkness Street) (8.0 mi, Cleaned up & deleted); Northwest Transformer (9.6 mi, Cleaned up & deleted).

Is radon a problem in Whatcom County?

Whatcom 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.