ZIP 92531 (Modesto, CA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 92531 in Modesto, California (Stanislaus County) has 4 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 0 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 92531 are screened across 4 historical Stanislaus County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (2), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 92531 (Modesto, CA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 92531 (Modesto, CA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 92531 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 0 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 92531 (Modesto, CA)
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 |
|---|---|---|---|---|
| LAKE ELSINORE MAIN POST OFFICE FREE PREVIEW (LOW RISK) | 500 W. GRAHAM AVENUE, LAKE ELSINORE, CA 92531 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| FLEETPRIDE #728 FREE PREVIEW (LOW RISK) | 621 KANSAS AVE, MODESTO, CA 92531 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| EVMWD RAILROAD CANYON WWTP INDUSTRIAL STORMWATER FREE PREVIEW (LOW RISK) | 21982 RAILROAD CANYON RD, LAKE ELSINORE, CA 92531 | LOW (11/100) | No Violation Identified (0 qtrs NC) | $0 |
| ELSINORE WD - COUNTRY CLUB FREE PREVIEW (LOW RISK) | LAKESHORE DR, LAKE ELSINORE, CA 92531 | LOW (8/100) | Inactive (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 92531 (Modesto, CA) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 92531 (Modesto, CA)?
ZIP code 92531 (Modesto, CA) contains 4 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 0 (0.0%) have active compliance violations, and 2 (50.0%) handle RCRA hazardous waste.
How does ZIP 92531 compare to Stanislaus County and California averages?
In ZIP 92531, 0.0% of regulated sites are rated High Risk, compared to 0.8% across Stanislaus County and 0.3% statewide in California.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 92531?
Geologic screening places ZIP 92531 in EPA Zone 2 — Moderate Potential (2.0 – 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 92531 (Modesto, CA) in a FEMA flood zone and what is the flood disaster history?
Stanislaus County has recorded 4 historical FEMA federal disaster declarations (4 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 92531 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 92531 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 92531 indicates a MODERATE shrink-swell risk signal. Within ZIP 92531, federal registries track 1 SDWIS drinking water facilities, 1 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.