Adams County, Washington — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Adams County, Washington, public U.S. EPA records track 131 regulated facilities (#40 of 75 in Washington), including 5 (3.8%) High-Risk sites and $850,000 in federal penalties. Countywide due diligence also covers 42 Safe Drinking Water (SDWIS) facilities, 27 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (0 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Adams County, WA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Adams County, WA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Adams County
ZIP Codes in Adams County
Top EPA Regulated Facilities in Adams County, 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 Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • ODESSA, WA (ZIP 99159 Sector) | HIGH (69/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • RITZVILLE, WA (ZIP 99169 Sector) | HIGH (69/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • OTHELLO, WA (ZIP 99344 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • LIND, WA (ZIP 99344 Sector) | HIGH (64/100) | Significant Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • OTHELLO, WA (ZIP 99344 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • OTHELLO, WA (ZIP 99344 Sector) | MODERATE (45/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • , WA (ZIP Sector) | MODERATE (36/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • OTHELLO, WA (ZIP 99344 Sector) | MODERATE (36/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| WESTERN STATES EQUIPMENT CO OTHELLO FREE PREVIEW (LOW RISK) | W 160 TECH, OTHELLO, WA 99344 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| OTHELLO SCHOOL DIST 147 TRANSPORTATION S FREE PREVIEW (LOW RISK) | 601 JUNIPER, OTHELLO, WA 99344 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| WSP IMPOUND YARD FREE PREVIEW (LOW RISK) | 6 S JEFFERSON, RITZVILLE, WA 99169 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| WA AGR ADAMS 4 FREE PREVIEW (LOW RISK) | 1835 E DANEKAS RD, RITZVILLE, WA 99169 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Adams County, Washington Environmental Due Diligence
How many EPA-regulated environmental sites are in Adams County, Washington?
Public U.S. EPA records track 131 regulated facilities in Adams County, Washington (ranking #40 of 75 jurisdictions in WA). Of those, 5 (3.8%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 13 (9.9%) have active non-compliance quarters.
Which ZIP codes and cities in Adams County have the highest regulated facility density?
Within Adams County, the highest concentrations of EPA-tracked facilities are located in ZIP 99169 (Ritzville, 28 sites), ZIP 99341 (Lind, 18 sites), ZIP 99159 (Odessa, 14 sites), spanning municipal corridors including Ritzville (28 sites), Lind (18 sites), Odessa (14 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Adams County?
Across Adams County, 62 facilities (47.3% 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 Adams County, WA?
Geologic indoor air screening places Adams County in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Counties in EPA Radon Zone 2 have a predicted average indoor radon level between 2.0 and 4.0 pCi/L. Testing basement or ground-floor living areas is recommended during home inspection.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Adams County, WA?
Federal records track 42 Safe Drinking Water (SDWIS) facilities, 27 Clean Water Act NPDES permits, and 0 impaired water dischargers in Adams County, alongside 1 historical FEMA federal disaster declarations (0 flood/storm events).
Does Adams County, WA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Adams County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.