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

Home hazard report for 97602 — Klamath Falls, OR

ZIP 97602 is served by Klamath Falls Water Dept: no health-based violations since 2016, latest lead result 0 ppb, PFAS 9.5 ppt. Klamath is in EPA radon zone 2.

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Where ZIP 97602 is

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: Klamath Falls Water Dept

EPA IDOR4100443
People served40,475
Sourcegroundwater (wells)
Connections16,400

Health-based violations

No health-based violations reported since 2016.

Full record for Klamath Falls Water Dept →

Lead

Jan 20220 ppb
Jan 20210.6 ppb
Jan 20181.9 ppb
Jan 20150.9 ppb
Jan 20120.6 ppb
Jan 20110 ppb
Jan 20080 ppb
Jan 20051.6 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”)

CompoundHighest resultSamples with detectionEPA limit
PFOS9.5 ppt2 of 124 ppt MCL
PFHxS5.8 ppt2 of 12—
PFBS4.3 ppt2 of 12—
PFPeAnot detected0 of 12—
PFOAnot detected0 of 124 ppt MCL
PFBAnot detected0 of 12—
HFPO-DA (GenX)not detected0 of 12—
PFHxAnot detected0 of 12—
PFDAnot detected0 of 12—
PFHpAnot detected0 of 12—
PFNAnot detected0 of 12—

EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR 5), samples 2023–2025; ppt = parts per trillion (ng/L). The 4.0 ppt maximum contaminant levels for PFOA and PFOS were set by EPA in 2024; water systems have until the end of the decade to comply.

Radon in Klamath

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 →

Superfund sites nearby

SiteStatusDistance
North Ridge Estates
Klamath Falls, Oregon · EPA ID ORN001002476
Active (final NPL)3.3 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 Klamath Falls? See the 2026 conforming, FHA and jumbo loan limits for Klamath →

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 97602

Who supplies drinking water to ZIP 97602?

Klamath Falls Water Dept (EPA ID OR4100443), a groundwater (wells) system serving about 40,475 people.

Is there lead in Klamath Falls, OR 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 Klamath Falls, OR water have PFAS?

Highest PFOA or PFOS result in EPA’s 2023–2025 testing was at or above 4.0 ppt, EPA’s 2024 maximum contaminant level for each. 3 PFAS compounds detected.

Has the water system in 97602 had violations?

No health-based violations reported since 2016.

Are there Superfund sites near 97602?

The nearest active Superfund site is 3.3 miles away. Sites within 10 miles: North Ridge Estates (3.3 mi, Active (final NPL)).

Is radon a problem in Klamath?

Klamath 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.