Maple Valley, Washington — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Maple Valley, WA?
Public U.S. EPA records track 131 regulated facilities in Maple Valley, Washington (King County), including 4 High-Risk sites (3.1%) and 25 active violators. In addition to industrial waste, Maple Valley properties are screened for Tap Water & Watershed Permits (82 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 4 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Maple Valley, WA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Maple Valley, WA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Maple Valley, WA
Highest-Scored EPA Regulated Facilities in Maple Valley, 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 • MAPLE VALLEY, WA (ZIP 98038 Sector) | HIGH (81/100) | Violation Identified (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MAPLE VALLEY, WA (ZIP 98038 Sector) | HIGH (67/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MAPLE VALLEY, WA (ZIP 98038 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MAPLE VALLEY, WA (ZIP 98038 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MAPLE VALLEY, WA (ZIP 98038 Sector) | HIGH (64/100) | Significant Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MAPLE VALLEY, WA (ZIP 98038 Sector) | HIGH (64/100) | Significant Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MAPLE VALLEY, WA (ZIP 98038 Sector) | HIGH (64/100) | Significant Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MAPLE VALLEY, WA (ZIP 98038 Sector) | HIGH (64/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| MYSTIC MEADOWS FREE PREVIEW (LOW RISK) | 23024 SE 272ND ST, MAPLE VALLEY, WA 98038 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| J R HAYES AND SONS FREE PREVIEW (LOW RISK) | 22430 SE 231ST ST, MAPLE VALLEY, WA 98038 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| SAFEWAY 1471 FREE PREVIEW (LOW RISK) | 26916 MAPLE VALLEY RD, MAPLE VALLEY, WA 98038 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| SHERWIN-WILLIAMS 708971 FREE PREVIEW (LOW RISK) | 27012 MAPLE VALLEY BLACK DIAMOND ROAD SE, MAPLE VALLEY, WA 98038 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Maple Valley, Washington Environmental Risk & Radon
How many EPA-regulated facilities are in Maple Valley, WA?
U.S. EPA records track 131 regulated facilities in Maple Valley, Washington, including 4 high-risk sites (3.1%), 25 active violators (19.1%), and 51 RCRA hazardous waste handlers (38.9%).
Which ZIP codes in Maple Valley, WA have the most EPA-tracked sites?
Within Maple Valley, regulated facilities are primarily concentrated across ZIP 98038 (124 sites), ZIP 90838 (1 sites).
How can I check a specific house or commercial property in Maple Valley, WA?
Enter the exact street address in Maple Valley 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 Maple Valley, WA and how many EPA water permits exist?
In Maple Valley, WA, federal registries track 13 Safe Drinking Water (SDWIS) facilities, 69 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Maple Valley, WA?
USDA regional soil screening for Maple Valley indicates a MODERATE shrink-swell foundation signal, and King County has recorded 4 federal FEMA disaster declarations (3 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.