ZIP 16635 (Duncansville, PA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 16635 in Duncansville, Pennsylvania (Blair County) has 116 EPA-tracked facilities, including 2 High-Risk sites (1.7%), 12 active violators, and $535,000 in federal penalties. Beyond industrial pollution, properties in ZIP 16635 are screened across 2 historical Blair County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (55), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 16635 (Duncansville, PA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 16635 (Duncansville, PA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 02, 2026)ZIP 16635 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 2 High-Risk and 12 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 16635 (Duncansville, PA)
100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).
| Facility Name / Hazard Type | Sector Location (Street Redacted) | Risk Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • DUNCANSVILLE, PA (ZIP 16635 Sector) | HIGH (64/100) | Significant Violation (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • DUNCANSVILLE, PA (ZIP 16635 Sector) | HIGH (64/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • DUNCANSVILLE, PA (ZIP 16635 Sector) | HIGH (64/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • DUNCANSVILLE, PA (ZIP 16635 Sector) | MODERATE (51/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • DUNCANSVILLE, PA (ZIP 16635 Sector) | MODERATE (38/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • DUNCANSVILLE, PA (ZIP 16635 Sector) | MODERATE (35/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • DUNCANSVILLE, PA (ZIP 16635 Sector) | MODERATE (35/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • DUNCANSVILLE, PA (ZIP 16635 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| HELSEL LUMBER MILL INC FREE PREVIEW (LOW RISK) | RD 2 BOX 173, DUNCANSVILLE, PA 16635 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CHEMLAWN FREE PREVIEW (LOW RISK) | RD 1 BOX 20B, DUNCANSVILLE, PA 16635 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| MARTIN OIL CO MINIT MART FREE PREVIEW (LOW RISK) | INT RTE 07049 & RTE 164, DUNCANSVILLE, PA 16635 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| TRUCK ENT INC FREE PREVIEW (LOW RISK) | 1320 RT 220 S, DUNCANSVILLE, PA 16635 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 16635 (Duncansville, PA) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 02, 2026)How many EPA-tracked environmental sites are in ZIP code 16635 (Duncansville, PA)?
ZIP code 16635 (Duncansville, PA) contains 116 EPA-tracked facilities, of which 2 (1.7%) are classified in the High-Risk tier, 12 (10.3%) have active compliance violations, and 54 (46.6%) handle RCRA hazardous waste.
How does ZIP 16635 compare to Blair County and Pennsylvania averages?
In ZIP 16635, 1.7% of regulated sites are rated High Risk, compared to 2.3% across Blair County and 2.7% statewide in Pennsylvania.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 16635?
Geologic screening places ZIP 16635 in EPA Zone 1 — High Potential (> 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 16635 (Duncansville, PA) in a FEMA flood zone and what is the flood disaster history?
Blair County has recorded 2 historical FEMA federal disaster declarations (2 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 16635 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 16635 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 16635 indicates a MODERATE shrink-swell risk signal. Within ZIP 16635, federal registries track 6 SDWIS drinking water facilities, 49 Clean Water NPDES permits, and 1 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.