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

Home hazard report for 19478 — Spring Mount, PA

ZIP 19478 is served by Schwenksville Borough Auth (as listed by the state): 1 violation since 2016, latest lead result 0 ppb, PFAS 8.3 ppt. Montgomery is in EPA radon zone 1.

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Where ZIP 19478 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: Schwenksville Borough Auth

EPA IDPA1460042
People served5,200
Sourcesurface water (rivers, lakes)
Connections1,827

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Arsenic1

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 2016.

Full record for Schwenksville Borough Auth →

Lead

Jun 20250 ppb
Jun 20220 ppb
Jun 20190.6 ppb
Jun 20160 ppb
Jun 20130.7 ppb
Jan 20101 ppb
Jan 20073.6 ppb
Jan 20040 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
PFOS8.3 ppt6 of 84 ppt MCL
PFOA5.4 ppt3 of 84 ppt MCL
PFBS5.3 ppt5 of 8—
PFBAnot detected0 of 8—
HFPO-DA (GenX)not detected0 of 8—
PFHxAnot detected0 of 8—
PFDAnot detected0 of 8—
PFNAnot detected0 of 8—
PFHxSnot detected0 of 8—
PFHpAnot detected0 of 8—
PFPeAnot 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.

Radon in Montgomery

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
Baghurst Drive
Harleysville, Pennsylvania · EPA ID PAN000306939
Active (final NPL)1.7 mi
Salford Quarry
Lower Salford Township, Pennsylvania · EPA ID PAD980693204
Active (final NPL)4.5 mi
North Penn - Area 1
Souderton, Pennsylvania · EPA ID PAD096834494
Active (final NPL)7.6 mi
Recticon/Allied Steel Corp.
East Conventry Township, Pennsylvania · EPA ID PAD002353969
Cleaned up & deleted8.4 mi
Moyers Landfill
Eagleville, Pennsylvania · EPA ID PAD980508766
Cleaned up & deleted8.4 mi
Occidental Chemical Corp./Firestone Tire & Rubber Co.
Lower Pottsgrove Township, Pennsylvania · EPA ID PAD980229298
Active (final NPL)8.6 mi
North Penn - Area 12
Worcester, Pennsylvania · EPA ID PAD057152365
Active (final NPL)8.7 mi
North Penn - Area 2
Hatfield, Pennsylvania · EPA ID PAD002342475
Active (final NPL)8.7 mi
North Penn - Area 6
Lansdale, Pennsylvania · EPA ID PAD980926976
Active (final NPL)9.0 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 Spring Mount? 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 19478

Who supplies drinking water to ZIP 19478?

Schwenksville Borough Auth (EPA ID PA1460042), a surface water (rivers, lakes) system serving about 5,200 people, listed by the state as serving this ZIP code.

Is there lead in Spring Mount, PA tap water?

The utility’s latest 90th-percentile lead result (Jun 2025) was 0 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 Spring Mount, PA 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 19478 had violations?

Health-based violations since 2016: Arsenic. All are listed as resolved.

Are there Superfund sites near 19478?

Active or proposed Superfund (National Priorities List) sites near the center of this ZIP code. Sites within 10 miles: Baghurst Drive (1.7 mi, Active (final NPL)); Salford Quarry (4.5 mi, Active (final NPL)); North Penn - Area 1 (7.6 mi, Active (final NPL)).

Is radon a problem in Montgomery?

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