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

Madison

Madison (EPA ID GA2110002) in Madison, GA supplies surface water (rivers, lakes) to about 6,427 people: 3 violations since 2016, latest lead result 1.2 ppb, PFAS not detected.

Service area

EPA service-area boundary (state-supplied or EPA-modeled)
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.

System facts

People served6,427
Connections2,472
Sourcesurface water (rivers, lakes)
WholesalerNo

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 Oct 2024.

Lead

Jan 20221.2 ppb
Jan 20191.8 ppb
Jan 20161.3 ppb
Jan 20130 ppb
Jan 20122.5 ppb
Jan 20092.5 ppb
Jan 20062.5 ppb
Jan 20052.5 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

CompoundHighest resultSamples with detectionEPA limit
PFBAnot detected0 of 8—
PFPeAnot detected0 of 8—
PFHxSnot detected0 of 8—
HFPO-DA (GenX)not detected0 of 8—
PFOAnot detected0 of 84 ppt MCL
PFHpAnot detected0 of 8—
PFNAnot detected0 of 8—
PFHxAnot detected0 of 8—
PFOSnot detected0 of 84 ppt MCL
PFBSnot detected0 of 8—
PFDAnot detected0 of 8—

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.

ZIP codes served

ZIP codes whose center lies in this system’s service area or that the state lists for it.

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

Has Madison had drinking water violations?

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

What is the lead level in Madison water?

The latest 90th-percentile lead result (Jan 2022) was 1.2 ppb. EPA’s action level is 15 ppb (10 ppb from 2027).

Does Madison have PFAS in its water?

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