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

Home hazard report for 98576 — Rainier, WA

ZIP 98576 is served by Rainier Water Department: no health-based violations since 2016, latest lead result 3.4 ppb, PFAS not tested. Thurston County is in EPA radon zone 3.

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Where ZIP 98576 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: Rainier Water Department

EPA IDWA5370980
People served3,103
Sourcegroundwater (wells)
Connections993

Health-based violations

No health-based violations reported since 2016.

Full record for Rainier Water Department →

Other systems overlapping this ZIP: Horsfall 608.

Lead

Jan 20213.4 ppb
Jan 20182.9 ppb
Jan 20155 ppb
Jul 20143 ppb
Jan 20143 ppb
Jan 20113 ppb
Jan 20083 ppb
Jan 20053 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 Thurston 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 Relatively Moderate, with relatively moderate social vulnerability and relatively moderate community resilience.

EarthquakeRelatively High
LandslideRelatively High
Riverine floodingRelatively High
Heat waveRelatively Moderate
Ice stormRelatively Low
Strong windRelatively Low
Volcanic activityRelatively Low
WildfireRelatively Low
Winter weatherRelatively Low
AvalancheVery Low
HailVery Low
LightningVery 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 Rainier? See the 2026 conforming, FHA and jumbo loan limits for Thurston 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 98576

Who supplies drinking water to ZIP 98576?

Rainier Water Department (EPA ID WA5370980), a groundwater (wells) system serving about 3,103 people.

Is there lead in Rainier, WA tap water?

The utility’s latest 90th-percentile lead result (Jan 2021) was 3.4 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 Rainier, 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 98576 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 98576?

FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively Moderate; the highest-rated hazards are earthquake (relatively high), landslide (relatively high), riverine flooding (relatively high).

Are there Superfund sites near 98576?

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

Is radon a problem in Thurston County?

Thurston 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.