Grass Valley, California — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Grass Valley, CA?
Public U.S. EPA records track 639 regulated facilities in Grass Valley, California ( County), including 1 High-Risk sites (0.2%) and 1 active violators. In addition to industrial waste, Grass Valley properties are screened for Tap Water & Watershed Permits (113 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 55 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Grass Valley, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Grass Valley, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Grass Valley, CA
Highest-Scored EPA Regulated Facilities in Grass Valley, 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 Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95945 Sector) | MODERATE (38/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95945 Sector) | MODERATE (36/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95949 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95949 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95949 Sector) | MODERATE (33/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95945 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95945 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95945 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| MERRILL AND SONS FREE PREVIEW (LOW RISK) | 12619 LOMA RICA DR., GRASS VALLEY, CA 95945 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| NORTH STAR PASSIVE TREATMENT FACILITY/NEW VERDE MINE LLC FREE PREVIEW (LOW RISK) | 12509 ALLISON RANCH RD, GRASS VALLEY, CA 95949 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| PYXIS LABORATORIES FREE PREVIEW (LOW RISK) | 12499 LOMA RICA DRIVE, GRASS VALLEY, CA 95945 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| SHERWIN WILLIAMS STORE 721007 FREE PREVIEW (LOW RISK) | 2085 NEVADA CITY HIGHWAY, GRASS VALLEY, CA 95945 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Grass Valley, California Environmental Risk & Radon
How many EPA-regulated facilities are in Grass Valley, CA?
U.S. EPA records track 639 regulated facilities in Grass Valley, California, including 1 high-risk sites (0.2%), 1 active violators (0.2%), and 537 RCRA hazardous waste handlers (84.0%).
Which ZIP codes in Grass Valley, CA have the most EPA-tracked sites?
Within Grass Valley, regulated facilities are primarily concentrated across ZIP 95945 (480 sites), ZIP 95949 (162 sites), ZIP 95745 (1 sites), ZIP 98945 (1 sites).
How can I check a specific house or commercial property in Grass Valley, CA?
Enter the exact street address in Grass 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 Grass Valley, CA and how many EPA water permits exist?
In Grass Valley, CA, federal registries track 13 Safe Drinking Water (SDWIS) facilities, 100 Clean Water Act NPDES permits, and 1 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Grass Valley, CA?
USDA regional soil screening for Grass Valley indicates a HIGH shrink-swell foundation signal, and County has recorded 55 federal FEMA disaster declarations (13 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.