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

Home hazard report for 77353 — Magnolia, TX

ZIP 77353 is served by City of Magnolia: 1 violation since 2016, latest lead result 7.1 ppb, PFAS not tested. Montgomery is in EPA radon zone 3.

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Where ZIP 77353 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: City of Magnolia

EPA IDTX1700020
People served7,107
Sourcegroundwater (wells)
Connections2,845

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Revised Total Coliform 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 Mar 2026.

Full record for City of Magnolia →

Lead

Jan 20267.1 ppb
Jul 20250.6 ppb
Jan 20241.1 ppb
Jul 20232.1 ppb
Jan 20002.2 ppb
Jan 19972.4 ppb
Jan 19963.6 ppb
Jan 19951.1 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 Montgomery

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 Magnolia? See the 2026 conforming, FHA and jumbo loan limits for Montgomery →

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 77353

Who supplies drinking water to ZIP 77353?

City of Magnolia (EPA ID TX1700020), a groundwater (wells) system serving about 7,107 people.

Is there lead in Magnolia, TX tap water?

The utility’s latest 90th-percentile lead result (Jan 2026) was 7.1 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 Magnolia, TX 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 77353 had violations?

Health-based violations since 2016: Revised Total Coliform Rule. All are listed as resolved.

Are there Superfund sites near 77353?

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

Is radon a problem in Montgomery?

Montgomery 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.