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

Home hazard report for 38303 — Jackson, TN

ZIP 38303 is served by Jackson Water System: no health-based violations since 2016, latest lead result 0.5 ppb, PFAS 20 ppt. Madison is in EPA radon zone 1.

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Where ZIP 38303 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: Jackson Water System

EPA IDTN0000299
People served91,111
Sourcegroundwater (wells)
Connections37,188

Health-based violations

No health-based violations reported since 2016.

Full record for Jackson Water System →

Lead

Jan 20230.5 ppb
Jan 20200.3 ppb
Jan 20171.5 ppb
Jan 20141.5 ppb
Jan 20131.8 ppb
Jan 20111.8 ppb
Jan 20088 ppb
Jan 20052 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
PFOS20 ppt2 of 44 ppt MCL
PFHxS16.3 ppt2 of 4—
PFBS3.7 ppt2 of 4—
PFNAnot detected0 of 4—
PFOAnot detected0 of 44 ppt MCL
PFDAnot detected0 of 4—
PFPeAnot detected0 of 4—
HFPO-DA (GenX)not detected0 of 4—
PFHxAnot detected0 of 4—
PFHpAnot detected0 of 4—
PFBAnot detected0 of 4—

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 Madison

EPA radon zone 1 — highest potential. Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.

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
American Creosote Works, Inc. (Jackson Plant)
Jackson, Tennessee · EPA ID TND007018799
Active (final NPL)<1 mi
ICG Iselin Railroad Yard
Jackson, Tennessee · EPA ID TND987767795
Cleaned up & deleted2.5 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 Jackson? See the 2026 conforming, FHA and jumbo loan limits for Madison →

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 38303

Who supplies drinking water to ZIP 38303?

Jackson Water System (EPA ID TN0000299), a groundwater (wells) system serving about 91,111 people.

Is there lead in Jackson, TN tap water?

The utility’s latest 90th-percentile lead result (Jan 2023) was 0.5 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 Jackson, TN 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 38303 had violations?

No health-based violations reported since 2016.

Are there Superfund sites near 38303?

Active or proposed Superfund (National Priorities List) sites near the center of this ZIP code. Sites within 10 miles: American Creosote Works, Inc. (Jackson Plant) (0.4 mi, Active (final NPL)); ICG Iselin Railroad Yard (2.5 mi, Cleaned up & deleted).

Is radon a problem in Madison?

Madison is in EPA radon zone 1 (highest potential). Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.