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Benewah County, Idaho — Property Hazard, Flood Zone, Soil, Water & EPA Guide

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What Are the Flood, Soil Foundation & EPA Risks in Benewah County, ID?

In Benewah County, Idaho, public U.S. EPA records track 87 regulated facilities (#40 of 83 in Idaho), including 5 (5.7%) High-Risk sites and $326,606 in federal penalties. Countywide due diligence also covers 18 Safe Drinking Water (SDWIS) facilities, 56 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites (#40/83)
87
High-Risk (5.7% vs 1.9% State)
5
Active Violators (13.8%)
12
Drinking & Clean Water
74
Federal Penalties
$326,606

Benewah County, ID 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
3 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: LOW • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
18 SDWIS Systems • 56 NPDES Permits
🔒 19 Impaired Water (303d) & 24 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Benewah County, ID 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 24 (27.6%)
Clean Water (NPDES) & Drinking Water (SDWIS) 74 (85.1%)
Active EPA Non-Compliance Dockets 12 (13.8%)
High-Risk Enforcement Facilities 5 (5.7%)
2. FEMA NRI & USGS Hazard Index (1–10) Very Low (19.9/100)
🌊 Flood Exposure 3/10 • Low Hazard
🔥 Wildfire Hazard 3/10 • Low Hazard
☀️ Extreme Heat 1/10 • Very Low Hazard
🌪️ Severe Wind / Storm 1/10 • Very Low Hazard
🫨 USGS Earthquake 1/10 • Very Low Hazard
3. County vs. State & National Benchmark
Benewah County High-Risk % 5.7%
Idaho (ID) Statewide Avg 1.9%
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.
🔒 Scan a Property Address in Benewah County →

Top EPA Regulated Facilities in Benewah County, ID

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 • SAINT MARIES, ID (ZIP 83861 Sector) HIGH (66/100) Significant Violation (12 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • PLUMMER, ID (ZIP 83851 Sector) HIGH (65/100) Significant Violation (12 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • TENSED, ID (ZIP 83870 Sector) HIGH (64/100) Significant Violation (12 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • SAINT MARIES, ID (ZIP 83861 Sector) HIGH (64/100) Significant Violation (11 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • ST MARIES, ID (ZIP 83861 Sector) MODERATE (51/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • SAINT MARIES, ID (ZIP 83861 Sector) MODERATE (36/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • TENSED, ID (ZIP 83870 Sector) MODERATE (36/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • SAINT MARIES, ID (ZIP 83861 Sector) MODERATE (36/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
YOUND LIVING LAVENDAR FARMS FREE PREVIEW (LOW RISK) 701 NORTH FORK COON CREEK ROAD, SAINT MARIES, ID 83861 LOW (19/100) No Violation Identified (0 qtrs NC) $0
DMP 326 FREE PREVIEW (LOW RISK) 59652 HIGHWAY 3, FERNWOOD, ID 83830 LOW (18/100) No Violation Identified (0 qtrs NC) $0
EMERALD CREEK GARNET FREE PREVIEW (LOW RISK) 59652 HIGHWAY 3 S, FERNWOOD, ID 83830 LOW (17/100) No Violation Identified (0 qtrs NC) $0
US DOI BIA COEUR D'ALENE FIELD OFFICE FREE PREVIEW (LOW RISK) AGENCY RD 4 MI W OF HWY 95, PLUMMER, ID 83851 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 75 Additional Regulated & Enforcement Records in Benewah County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Benewah County, Idaho Environmental Due Diligence

How many EPA-regulated environmental sites are in Benewah County, Idaho?

Public U.S. EPA records track 87 regulated facilities in Benewah County, Idaho (ranking #40 of 83 jurisdictions in ID). Of those, 5 (5.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 12 (13.8%) have active non-compliance quarters.

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

Within Benewah County, the highest concentrations of EPA-tracked facilities are located in ZIP 83830 (Fernwood, 19 sites), ZIP 83824 (De Smet, 4 sites), ZIP 83866 (Santa, 2 sites), spanning municipal corridors including Saint Maries (24 sites), Fernwood (19 sites), Santa (2 sites).

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

Across Benewah County, 24 facilities (27.6% 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 Benewah County, ID?

Geologic indoor air screening places Benewah 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 Benewah County, ID?

Federal records track 18 Safe Drinking Water (SDWIS) facilities, 56 Clean Water Act NPDES permits, and 19 impaired water dischargers in Benewah County, alongside 3 historical FEMA federal disaster declarations (2 flood/storm events).

Does Benewah County, ID have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Benewah County indicates a LOW 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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