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

Home hazard report for 99148 — Loon Lake, WA

ZIP 99148 is served by Stevens Co PUD - Deer Lake: no health-based violations since 2016, latest lead result 0 ppb, PFAS not tested. Stevens County is in EPA radon zone 1.

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Where ZIP 99148 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: Stevens Co PUD - Deer Lake

EPA IDWA5393380
People served2,884
Sourcegroundwater (wells)
Connections787

Health-based violations

No health-based violations reported since 2016.

Full record for Stevens Co PUD - Deer Lake →

Lead

Jan 20210 ppb
Jan 20185.4 ppb
Jan 20151 ppb
Jan 20121 ppb
Jan 20091 ppb
Jan 20061.4 ppb
Jan 20054 ppb
Jan 20029 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 Stevens County

EPA radon zone 1 — highest potential. Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.

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 Low, with relatively moderate social vulnerability and relatively low community resilience.

WildfireRelatively High
Cold waveRelatively Moderate
LandslideRelatively Moderate
Riverine floodingRelatively Moderate
Winter weatherRelatively Moderate
Heat waveRelatively Low
Ice stormRelatively Low
AvalancheVery Low
DroughtVery Low
EarthquakeVery Low
HailVery Low
LightningVery 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

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 Loon Lake? See the 2026 conforming, FHA and jumbo loan limits for Stevens 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 99148

Who supplies drinking water to ZIP 99148?

Stevens Co PUD - Deer Lake (EPA ID WA5393380), a groundwater (wells) system serving about 2,884 people.

Is there lead in Loon Lake, 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 Loon Lake, 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 99148 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 99148?

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

Are there Superfund sites near 99148?

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

Is radon a problem in Stevens County?

Stevens County is in EPA radon zone 1 (highest potential). Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.