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Blair County, Pennsylvania — Property Hazard, Flood Zone, Soil, Water & EPA Guide

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What Are the Flood, Soil Foundation & EPA Risks in Blair County, PA?

In Blair County, Pennsylvania, public U.S. EPA records track 832 regulated facilities (#32 of 134 in Pennsylvania), including 19 (2.3%) High-Risk sites and $1,184,069 in federal penalties. Countywide due diligence also covers 80 Safe Drinking Water (SDWIS) facilities, 308 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites (#32/134)
832
High-Risk (2.3% vs 2.7% State)
19
Active Violators (6.7%)
56
Drinking & Clean Water
388
Federal Penalties
$1,184,069

Blair County, PA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
2 County FEMA Declarations (2 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Requirement Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: MODERATE • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
80 SDWIS Systems • 308 NPDES Permits
🔒 39 Impaired Water (303d) & 97 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Elevated Carbonate / Karst Sinkhole Belt — Monitor Foundation Settlement & Surface Depressions
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Blair County, PA Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 421 (50.6%)
Clean Water (NPDES) & Drinking Water (SDWIS) 388 (46.6%)
Active EPA Non-Compliance Dockets 56 (6.7%)
High-Risk Enforcement Facilities 19 (2.3%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (77.7/100)
🌊 Flood Exposure 5/10 • Moderate Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 3/10 • Low Hazard
🌪️ Severe Wind / Storm 3/10 • Low Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. County vs. State & National Benchmark
Blair County High-Risk % 2.3%
Pennsylvania (PA) Statewide Avg 2.7%
U.S. National EPA Baseline 3.6%
Unlock Street-Level Dossier: Full report reveals unredacted facility names, distances in feet, exact USDA soil LEP %, water table depth, and parcel flood zone.
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Top EPA Regulated Facilities in Blair County, PA

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

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Facility Name / Hazard Type Sector Location (Street Redacted) Risk Tier & Score Compliance Status Enforcement / Unlock
🔒 Locked High-Risk EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • ALTOONA, PA (ZIP 16602 Sector) HIGH (66/100) Significant Violation (2 qtrs NC) 🔒 2 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • WILLIAMSBURG, PA (ZIP 16693 Sector) HIGH (65/100) Violation Identified (11 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • ROARING SPRING, PA (ZIP 16673 Sector) HIGH (64/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • ROARING SPRING, PA (ZIP 16673 Sector) HIGH (64/100) Significant Violation (5 qtrs NC) 🔒 5 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • TYRONE, PA (ZIP 16686 Sector) HIGH (64/100) Significant Violation (5 qtrs NC) 🔒 5 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • HOLLIDAYSBURG, PA (ZIP 16648 Sector) HIGH (64/100) Significant Violation (6 qtrs NC) 🔒 6 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • TYRONE, PA (ZIP 16686 Sector) HIGH (64/100) Significant Violation (7 qtrs NC) 🔒 7 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • ALTOONA, PA (ZIP 16602 Sector) HIGH (64/100) Significant Violation (9 qtrs NC) 🔒 9 Qtrs Non-Compliance • Unlock →
CONRAIL M OF W REPAIR FAC FREE PREVIEW (LOW RISK) E 6TH AVE, ALTOONA, PA 16601 LOW (17/100) No Violation Identified (0 qtrs NC) $0
MARTIN MINIT MART ALTOONA 7TH FREE PREVIEW (LOW RISK) 604 7TH ST, ALTOONA, PA 16602 LOW (16/100) No Violation Identified (0 qtrs NC) $0
TETCO WHITE CAP MP59.04 PJ LNS FREE PREVIEW (LOW RISK) GAMELAND RD STATE GAMELAND 198, NEWRY, PA 16665 LOW (16/100) No Violation Identified (0 qtrs NC) $0
SAMS CLUB NO 6460 FREE PREVIEW (LOW RISK) 2500 PLANK ROAD COMMONS, ALTOONA, PA 16602 LOW (15/100) No Violation Identified (0 qtrs NC) $0
🔒 + 820 Additional Regulated & Enforcement Records in Blair County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Blair County, Pennsylvania Environmental Due Diligence

How many EPA-regulated environmental sites are in Blair County, Pennsylvania?

Public U.S. EPA records track 832 regulated facilities in Blair County, Pennsylvania (ranking #32 of 134 jurisdictions in PA). Of those, 19 (2.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 56 (6.7%) have active non-compliance quarters.

Which ZIP codes and cities in Blair County have the highest regulated facility density?

Within Blair County, the highest concentrations of EPA-tracked facilities are located in ZIP 16602 (Altoona, 202 sites), ZIP 16635 (Duncansville, 116 sites), ZIP 16686 (Tyrone, 102 sites), spanning municipal corridors including Elizabethtown (157 sites), Duncansville (101 sites), Tyrone (91 sites).

How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Blair County?

Across Blair County, 421 facilities (50.6% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).

What is the EPA Radon Zone classification for Blair County, PA?

Geologic indoor air screening places Blair County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.

How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Blair County, PA?

Federal records track 80 Safe Drinking Water (SDWIS) facilities, 308 Clean Water Act NPDES permits, and 39 impaired water dischargers in Blair County, alongside 2 historical FEMA federal disaster declarations (2 flood/storm events).

Does Blair County, PA have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Blair County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.

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