ZIP 99503 (Anchorage, AK) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 99503 in Anchorage, Alaska (Anchorage County) has 193 EPA-tracked facilities, including 3 High-Risk sites (1.6%), 16 active violators, and $185,974 in federal penalties. Beyond industrial pollution, properties in ZIP 99503 are screened across 24 historical Anchorage County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (84), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
ZIP 99503 (Anchorage, AK) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 99503 (Anchorage, AK) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 99503 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 3 High-Risk and 16 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 99503 (Anchorage, AK)
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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • ANCHORAGE, AK (ZIP 99503 Sector) | MODERATE (52/100) | Violation Identified (11 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ANCHORAGE, AK (ZIP 99503 Sector) | MODERATE (40/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ANCHORAGE, AK (ZIP 99503 Sector) | MODERATE (39/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ANCHORAGE, AK (ZIP 99503 Sector) | MODERATE (39/100) | Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ANCHORAGE, AK (ZIP 99503 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ANCHORAGE, AK (ZIP 99503 Sector) | MODERATE (37/100) | Violation Identified (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ANCHORAGE, AK (ZIP 99503 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ANCHORAGE, AK (ZIP 99503 Sector) | MODERATE (35/100) | Violation Identified (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| UIC ROOFING FREE PREVIEW (LOW RISK) | 3201 C STREET, ANCHORAGE, AK 99503 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| BARRETTS OFFICE SUPPLY FREE PREVIEW (LOW RISK) | 3330 ARCTIC BLVD, ANCHORAGE, AK 99503 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CARRS 720 FREE PREVIEW (LOW RISK) | 2920 SEWARD HWY, ANCHORAGE, AK 99503 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| PROVIDENCE ST. ELIAS SPECIALTY HOSPITAL FREE PREVIEW (LOW RISK) | 4800 CORDOVA STREET, ANCHORAGE, AK 99503 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 99503 (Anchorage, AK) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 99503 (Anchorage, AK)?
ZIP code 99503 (Anchorage, AK) contains 193 EPA-tracked facilities, of which 3 (1.6%) are classified in the High-Risk tier, 16 (8.3%) have active compliance violations, and 93 (48.2%) handle RCRA hazardous waste.
How does ZIP 99503 compare to Anchorage County and Alaska averages?
In ZIP 99503, 1.6% of regulated sites are rated High Risk, compared to 1.3% across Anchorage County and 2.0% statewide in Alaska.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 99503?
Geologic screening places ZIP 99503 in EPA Zone 3 — Low Potential (< 2.0 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 99503 (Anchorage, AK) in a FEMA flood zone and what is the flood disaster history?
Anchorage County has recorded 24 historical FEMA federal disaster declarations (12 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 99503 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 99503 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 99503 indicates a LOW shrink-swell risk signal. Within ZIP 99503, federal registries track 22 SDWIS drinking water facilities, 62 Clean Water NPDES permits, and 21 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.