ZIP 99155 (Nespelem, WA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 99155 in Nespelem, Washington (Okanogan County) has 27 EPA-tracked facilities, including 1 High-Risk sites (3.7%), 3 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 99155 are screened across 12 historical Okanogan County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (10), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 99155 (Nespelem, WA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 99155 (Nespelem, WA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 02, 2026)ZIP 99155 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 3 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 99155 (Nespelem, WA)
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 • NESPELEM, WA (ZIP 99155 Sector) | MODERATE (41/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • NESPELEM, WA (ZIP 99155 Sector) | MODERATE (40/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • NESPELEM, WA (ZIP 99155 Sector) | MODERATE (39/100) | Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • NESPELEM, WA (ZIP 99155 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • NESPELEM, WA (ZIP 99155 Sector) | MODERATE (29/100) | Resolved / Historical Non-Compliance (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| COLVILLE CONFEDERATED TRIBES FREE PREVIEW (LOW RISK) | 1 COLVILLE ST, NESPELEM, WA 99155 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| FORMER HINMAN RANCH - CONFEDERATED TRIBES OF THE COLVILLE RESERVATION FREE PREVIEW (LOW RISK) | 115 PARK CITY LOOP RD, NESPELEM, WA 99155 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ENVIRONMENTAL TRUST LABORATORY, COLVILLE FREE PREVIEW (LOW RISK) | 15 ENTIAT STREET, NESPELEM, WA 99155 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| CHIEF JOSEPH ORCHARD DUMP TT#101-T4209 FREE PREVIEW (LOW RISK) | TRIBAL TRACT #101-T4209, GVT LOT 4 S13 T30N R286, WA 99155 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • NESPELEM, WA (ZIP 99155 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • NESPELEM, WA (ZIP 99155 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • NESPELEM, WA (ZIP 99155 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 99155 (Nespelem, WA) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 02, 2026)How many EPA-tracked environmental sites are in ZIP code 99155 (Nespelem, WA)?
ZIP code 99155 (Nespelem, WA) contains 27 EPA-tracked facilities, of which 1 (3.7%) are classified in the High-Risk tier, 3 (11.1%) have active compliance violations, and 13 (48.1%) handle RCRA hazardous waste.
How does ZIP 99155 compare to Okanogan County and Washington averages?
In ZIP 99155, 3.7% of regulated sites are rated High Risk, compared to 6.3% across Okanogan County and 5.2% statewide in Washington.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 99155?
Geologic screening places ZIP 99155 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 99155 (Nespelem, WA) in a FEMA flood zone and what is the flood disaster history?
Okanogan County has recorded 12 historical FEMA federal disaster declarations (4 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 99155 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 99155 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 99155 indicates a LOW shrink-swell risk signal. Within ZIP 99155, federal registries track 4 SDWIS drinking water facilities, 6 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.