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

Home hazard report for 32355 — Saint Marks, FL

ZIP 32355 is served by St. Marks, City of Water Sys.: no health-based violations since 2016, latest lead result 11.5 ppb, PFAS not tested. Wakulla County is in EPA radon zone 3.

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Where ZIP 32355 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: St. Marks, City of Water Sys.

EPA IDFL1650630
People served285
Sourcegroundwater (wells)
Connections260

Health-based violations

No health-based violations reported since 2016.

Full record for St. Marks, City of Water Sys. →

Lead

Jan 202311.5 ppb
Jan 20205 ppb
Jan 20174.3 ppb
Jan 20141.1 ppb
Jan 20112.6 ppb
Jan 200810 ppb
Jan 20007 ppb
Jul 19992 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 Wakulla 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 low social vulnerability and relatively low community resilience.

Cold waveVery High
Coastal floodingRelatively High
HurricaneRelatively High
LightningRelatively High
TornadoRelatively High
Heat waveRelatively Moderate
Riverine floodingRelatively Moderate
Strong windRelatively Moderate
WildfireRelatively Moderate
Winter weatherRelatively Low
DroughtVery Low
EarthquakeVery 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

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 Saint Marks? See the 2026 conforming, FHA and jumbo loan limits for Wakulla 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 32355

Who supplies drinking water to ZIP 32355?

St. Marks, City of Water Sys. (EPA ID FL1650630), a groundwater (wells) system serving about 285 people.

Is there lead in Saint Marks, FL tap water?

The utility’s latest 90th-percentile lead result (Jan 2023) was 11.5 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 Saint Marks, FL 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 32355 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 32355?

FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively Moderate; the highest-rated hazards are cold wave (very high), coastal flooding (relatively high), hurricane (relatively high).

Are there Superfund sites near 32355?

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

Is radon a problem in Wakulla County?

Wakulla 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.