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

Home hazard report for 93616 — Del Rey, CA

ZIP 93616 is served by Del Rey Community Serv Dist: no health-based violations since 2016, latest lead result 0 ppb, PFAS not tested. Fresno County is in EPA radon zone 2.

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Where ZIP 93616 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: Del Rey Community Serv Dist

EPA IDCA1010035
People served1,491
Sourcegroundwater (wells)
Connections312

Health-based violations

No health-based violations reported since 2016.

Full record for Del Rey Community Serv Dist →

Lead

Jan 20220 ppb
Jan 20190 ppb
Jan 20160 ppb
Jan 20130 ppb
Jan 20110 ppb
Jan 20080 ppb
Jan 20050 ppb
Jan 20045 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 Fresno County

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 →

Natural hazard risk

FEMA rates the overall natural-hazard risk of this neighborhood (census tract) as Relatively High, with relatively low social vulnerability and very low community resilience.

DroughtRelatively High
EarthquakeRelatively High
Heat waveRelatively Moderate
Riverine floodingRelatively Moderate
HailRelatively Low
LightningRelatively Low
Strong windVery Low
TornadoVery Low
WildfireVery Low
Winter weatherVery 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
Selma Treating Co.
Selma, California · EPA ID CAD029452141
Active (final NPL)6.8 mi
T.H. Agriculture & Nutrition Co.
Fresno, California · EPA ID CAD009106220
Cleaned up & deleted8.4 mi
Purity Oil Sales, Inc.
Malaga, California · EPA ID CAD980736151
Active (final NPL)8.7 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 Del Rey? See the 2026 conforming, FHA and jumbo loan limits for Fresno 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 93616

Who supplies drinking water to ZIP 93616?

Del Rey Community Serv Dist (EPA ID CA1010035), a groundwater (wells) system serving about 1,491 people.

Is there lead in Del Rey, CA 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 Del Rey, 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 93616 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 93616?

FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively High; the highest-rated hazards are drought (relatively high), earthquake (relatively high), heat wave (relatively moderate).

Are there Superfund sites near 93616?

The nearest active Superfund site is 6.8 miles away. Sites within 10 miles: Selma Treating Co. (6.8 mi, Active (final NPL)); T.H. Agriculture & Nutrition Co. (8.4 mi, Cleaned up & deleted); Purity Oil Sales, Inc. (8.7 mi, Active (final NPL)).

Is radon a problem in Fresno County?

Fresno County 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.