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

Home hazard report for 19936 — Cheswold, DE

ZIP 19936 is served by Garrison Lake Pump District: no health-based violations since 2016, latest lead result 0.8 ppb, PFAS not detected. Kent County is in EPA radon zone 3.

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Where ZIP 19936 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: Garrison Lake Pump District

EPA IDDE0000004
People served17,148
Sourcegroundwater (wells)
Connections5,719

Health-based violations

No health-based violations reported since 2016.

Full record for Garrison Lake Pump District →

Other systems overlapping this ZIP: Fox Pointe Subdivision.

Lead

Jul 20250.8 ppb
Jan 20240.6 ppb
Jan 20220.6 ppb
Jan 20210 ppb
Jan 20161.4 ppb
Jan 20130 ppb
Jan 20100.2 ppb
Jan 20070 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
PFDAnot detected0 of 6—
PFBSnot detected0 of 6—
PFHpAnot detected0 of 6—
PFHxSnot detected0 of 6—
PFNAnot detected0 of 6—
PFOAnot detected0 of 64 ppt MCL
PFHxAnot detected0 of 6—
PFOSnot detected0 of 64 ppt MCL
PFPeAnot detected0 of 6—
PFBAnot detected0 of 6—
HFPO-DA (GenX)not detected0 of 6—

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 Kent 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 Low, with relatively low social vulnerability and relatively moderate community resilience.

Cold waveRelatively High
Winter weatherRelatively High
Heat waveRelatively Moderate
HurricaneRelatively Moderate
LightningRelatively Moderate
DroughtRelatively Low
EarthquakeRelatively Low
Ice stormRelatively Low
Riverine floodingRelatively Low
Strong windRelatively Low
TornadoRelatively Low
WildfireRelatively Low
Coastal floodingVery Low
HailVery Low
LandslideVery 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
Chem-Solv, Inc.
Cheswold, Delaware · EPA ID DED980714141
Cleaned up & deleted<1 mi
Coker's Sanitation Service Landfills
Kent County, Delaware · EPA ID DED980704860
Cleaned up & deleted1.5 mi
Dover Gas Light Co.
Dover, Delaware · EPA ID DED980693550
Active (final NPL)5.3 mi
Tyler Refrigeration Pit
Smyrna, Delaware · EPA ID DED980705545
Cleaned up & deleted5.6 mi
Wildcat Landfill
Dover, Delaware · EPA ID DED980704951
Cleaned up & deleted8.2 mi
Dover Air Force Base
Dover, Delaware · EPA ID DE8570024010
Active (final NPL)8.9 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.

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 19936

Who supplies drinking water to ZIP 19936?

Garrison Lake Pump District (EPA ID DE0000004), a groundwater (wells) system serving about 17,148 people.

Is there lead in Cheswold, DE tap water?

The utility’s latest 90th-percentile lead result (Jul 2025) was 0.8 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 Cheswold, DE water have PFAS?

None of the tested PFAS were found above EPA’s reporting limits in 2023–2025.

Has the water system in 19936 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 19936?

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

Are there Superfund sites near 19936?

The nearest active Superfund site is 5.3 miles away. Sites within 10 miles: Chem-Solv, Inc. (0.5 mi, Cleaned up & deleted); Coker's Sanitation Service Landfills (1.5 mi, Cleaned up & deleted); Dover Gas Light Co. (5.3 mi, Active (final NPL)).

Is radon a problem in Kent County?

Kent 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.