Dayton, Washington — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Dayton, WA?
Public U.S. EPA records track 45 regulated facilities in Dayton, Washington (Columbia County), including 2 High-Risk sites (4.4%) and 10 active violators. In addition to industrial waste, Dayton properties are screened for Tap Water & Watershed Permits (25 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 1 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Dayton, WA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Dayton, WA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Dayton, WA
Highest-Scored EPA Regulated Facilities in Dayton, 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 • DAYTON, WA (ZIP 99328 Sector) | HIGH (68/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • DAYTON, WA (ZIP 99328 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • DAYTON, WA (ZIP 99328 Sector) | HIGH (64/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • DAYTON, WA (ZIP 99328 Sector) | MODERATE (40/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • DAYTON, WA (ZIP 99328 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • DAYTON, WA (ZIP 99328 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • DAYTON, WA (ZIP 99328 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • DAYTON, WA (ZIP 99328 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| PORTLAND GENERAL ELECTRIC CO DAYTON FREE PREVIEW (LOW RISK) | 102 BLUE NORTHER, DAYTON, WA 99328 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| WA AGR COLUMBIA 1 FREE PREVIEW (LOW RISK) | 251 N PINE ST, DAYTON, WA 99328 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| QWEST DAYTON CO FREE PREVIEW (LOW RISK) | 116 S 1ST ST, DAYTON, WA 99328 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| DAYTON LEVEE REPAIR FREE PREVIEW (LOW RISK) | DAYTON CITY LIMITS, DAYTON, WA 99328 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Dayton, Washington Environmental Risk & Radon
How many EPA-regulated facilities are in Dayton, WA?
U.S. EPA records track 45 regulated facilities in Dayton, Washington, including 2 high-risk sites (4.4%), 10 active violators (22.2%), and 21 RCRA hazardous waste handlers (46.7%).
Which ZIP codes in Dayton, WA have the most EPA-tracked sites?
Within Dayton, regulated facilities are primarily concentrated across ZIP 99328 (46 sites).
How can I check a specific house or commercial property in Dayton, WA?
Enter the exact street address in Dayton into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in Dayton, WA and how many EPA water permits exist?
In Dayton, WA, federal registries track 2 Safe Drinking Water (SDWIS) facilities, 23 Clean Water Act NPDES permits, and 7 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Dayton, WA?
USDA regional soil screening for Dayton indicates a MODERATE shrink-swell foundation signal, and Columbia County has recorded 1 federal FEMA disaster declarations (1 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.