ZIP 99557 (Aniak, AK) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 99557 in Aniak, Alaska (Yukon-Koyukuk (Ca) County) has 39 EPA-tracked facilities, including 2 High-Risk sites (5.1%), 9 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 99557 are screened across 4 historical Yukon-Koyukuk (Ca) County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (25), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
ZIP 99557 (Aniak, 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 99557 (Aniak, AK) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 99557 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 2 High-Risk and 9 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 99557 (Aniak, 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • ANIAK, AK (ZIP 99557 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CHUATHBALUK, AK (ZIP 99557 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ANIAK, AK (ZIP 99557 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ANIAK, AK (ZIP 99557 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ANIAK, AK (ZIP 99557 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ANIAK, AK (ZIP 99557 Sector) | MODERATE (38/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ANIAK, AK (ZIP 99557 Sector) | MODERATE (34/100) | Violation Identified (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ANIAK, AK (ZIP 99557 Sector) | MODERATE (34/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| USAF LRRS SPARREVOHN FREE PREVIEW (LOW RISK) | SPARREVOHN AIR FORCE STATION, ANIAK, AK 99557 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| ADEC ANIAK PARKING RAMP FREE PREVIEW (LOW RISK) | MARK AIR RD, ANIAK, AK 99557 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ALASKA DOT & PF ANIAK CITY SHOP FREE PREVIEW (LOW RISK) | ANIAK CITY SHOP AT RIVER ROAD, ANIAK, AK 99557 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| USDOT FAA ANIAK FREE PREVIEW (LOW RISK) | ANIAK ARPRT NAV AIDS, ANIAK, AK 99557 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 99557 (Aniak, 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 99557 (Aniak, AK)?
ZIP code 99557 (Aniak, AK) contains 39 EPA-tracked facilities, of which 2 (5.1%) are classified in the High-Risk tier, 9 (23.1%) have active compliance violations, and 10 (25.6%) handle RCRA hazardous waste.
How does ZIP 99557 compare to Yukon-Koyukuk (Ca) County and Alaska averages?
In ZIP 99557, 5.1% of regulated sites are rated High Risk, compared to 1.3% across Yukon-Koyukuk (Ca) County and 2.0% statewide in Alaska.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 99557?
Geologic screening places ZIP 99557 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 99557 (Aniak, AK) in a FEMA flood zone and what is the flood disaster history?
Yukon-Koyukuk (Ca) County has recorded 4 historical FEMA federal disaster declarations (2 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 99557 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 99557 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 99557 indicates a LOW shrink-swell risk signal. Within ZIP 99557, federal registries track 6 SDWIS drinking water facilities, 19 Clean Water NPDES permits, and 0 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.