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

Home hazard report for 95347 — Moccasin, CA

ZIP 95347 is served by Hhw&P Moccasin Compound-Sfpuc: 3 violations since 2016, latest lead result 0 ppb, PFAS not tested. Tuolumne is in EPA radon zone 2.

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Where ZIP 95347 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: Hhw&P Moccasin Compound-Sfpuc

EPA IDCA3810003
People served410
Sourcesurface water (rivers, lakes)
Connections89

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Total Haloacetic Acids (Haa5)3

A health-based violation means a contaminant exceeded its legal limit (MCL) or a required treatment technique was not met, as reported by the state to EPA’s SDWIS. All are listed as resolved or archived; the latest began Jul 2023.

Full record for Hhw&P Moccasin Compound-Sfpuc →

Lead

Jan 20230 ppb
Jan 20200 ppb
Jan 20172.5 ppb
Jan 20144.5 ppb
Jan 20117.3 ppb
Jan 20101.7 ppb
Jan 20093 ppb
Jan 20081 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 Tuolumne

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

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 Moccasin? See the 2026 conforming, FHA and jumbo loan limits for Tuolumne →

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 95347

Who supplies drinking water to ZIP 95347?

Hhw&P Moccasin Compound-Sfpuc (EPA ID CA3810003), a surface water (rivers, lakes) system serving about 410 people.

Is there lead in Moccasin, CA tap water?

The utility’s latest 90th-percentile lead result (Jan 2023) 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 Moccasin, CA 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 95347 had violations?

Health-based violations since 2016: Total Haloacetic Acids (Haa5). All are listed as resolved.

Are there Superfund sites near 95347?

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

Is radon a problem in Tuolumne?

Tuolumne 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.