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

Home hazard report for 71213 — Monroe, LA

ZIP 71213 is served by Gowc Brownville Water System: 12 violations since 2016, latest lead result 3 ppb, PFAS not detected. Ouachita Parish is in EPA radon zone 3.

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Where ZIP 71213 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: Gowc Brownville Water System

EPA IDLA1073004
People served9,696
Sourcegroundwater (wells)
Connections3,232

Health-based violations

Contaminant or ruleHealth-based violations since 2016
TTHM11
Groundwater Rule1

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 Jan 2021.

Full record for Gowc Brownville Water System →

Lead

Jan 20243 ppb
Jan 20212 ppb
Jan 20184 ppb
Jan 201514 ppb
Jan 20129 ppb
Jan 20092 ppb
Jan 20083 ppb
Jan 20053 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
PFBAnot detected0 of 6—
PFBSnot detected0 of 6—
PFHpAnot detected0 of 6—
PFHxSnot detected0 of 6—
PFNAnot detected0 of 6—
PFOSnot detected0 of 64 ppt MCL
PFOAnot detected0 of 64 ppt MCL
PFDAnot detected0 of 6—
PFHxAnot detected0 of 6—
HFPO-DA (GenX)not detected0 of 6—
PFPeAnot 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 Ouachita Parish

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 →

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 Monroe? See the 2026 conforming, FHA and jumbo loan limits for Ouachita Parish →

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 71213

Who supplies drinking water to ZIP 71213?

Gowc Brownville Water System (EPA ID LA1073004), a groundwater (wells) system serving about 9,696 people.

Is there lead in Monroe, LA tap water?

The utility’s latest 90th-percentile lead result (Jan 2024) was 3 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 Monroe, LA water have PFAS?

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

Has the water system in 71213 had violations?

Health-based violations since 2016: TTHM, Groundwater Rule. All are listed as resolved.

Are there Superfund sites near 71213?

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

Is radon a problem in Ouachita Parish?

Ouachita Parish 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.