EPA data as of Oct 2026 · page updated 2026-10-30

Home hazard report for 98385 — South Prairie, WA

ZIP 98385 is served by Town of South Prairie: no health-based violations since 2016, latest lead result 0.5 ppb, PFAS not tested. Pierce County is in EPA radon zone 3.

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Where ZIP 98385 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: Town of South Prairie

EPA IDWA5382300
People served489
Sourcegroundwater (wells)
Connections166

Health-based violations

No health-based violations reported since 2016.

Full record for Town of South Prairie →

Lead

Jan 20230.5 ppb
Jan 20201 ppb
Jan 20161.4 ppb
Jan 20132 ppb
Jan 20101.5 ppb
Jan 20071.5 ppb
Jan 20044 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 Pierce 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 relatively low social vulnerability and relatively moderate community resilience.

AvalancheRelatively High
Cold waveRelatively High
Riverine floodingRelatively High
Volcanic activityRelatively High
EarthquakeRelatively Moderate
Heat waveRelatively Moderate
Ice stormRelatively Low
LandslideRelatively Low
LightningRelatively Low
Winter weatherRelatively Low
HailVery Low
Strong windVery Low
TornadoVery Low
WildfireVery 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
Hidden Valley Landfill (Thun Field)
Pierce County, Washington · EPA ID WAD980511539
Active (final NPL)9.5 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 South Prairie? See the 2026 conforming, FHA and jumbo loan limits for Pierce 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 98385

Who supplies drinking water to ZIP 98385?

Town of South Prairie (EPA ID WA5382300), a groundwater (wells) system serving about 489 people.

Is there lead in South Prairie, WA tap water?

The utility’s latest 90th-percentile lead result (Jan 2023) was 0.5 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 South Prairie, 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 98385 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 98385?

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

Are there Superfund sites near 98385?

The nearest active Superfund site is 9.5 miles away. Sites within 10 miles: Hidden Valley Landfill (Thun Field) (9.5 mi, Active (final NPL)).

Is radon a problem in Pierce County?

Pierce 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.