Mariposa, California — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Mariposa, CA?
Public U.S. EPA records track 131 regulated facilities in Mariposa, California (Mariposa County), including 2 High-Risk sites (1.5%) and 3 active violators. In addition to industrial waste, Mariposa properties are screened for Tap Water & Watershed Permits (34 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 6 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Mariposa, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Mariposa, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Mariposa, CA
Highest-Scored EPA Regulated Facilities in Mariposa, 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • MARIPOSA, CA (ZIP 95338 Sector) | HIGH (64/100) | Significant Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MARIPOSA, CA (ZIP 95338 Sector) | MODERATE (38/100) | Resolved / Historical Non-Compliance (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MARIPOSA, CA (ZIP 95338 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MARIPOSA, CA (ZIP 95338 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MARIPOSA, CA (ZIP 95338 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MARIPOSA, CA (ZIP 95338 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MARIPOSA, CA (ZIP 95338 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MARIPOSA, CA (ZIP 95338 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| LONS BODY SHOP FREE PREVIEW (LOW RISK) | OLD HIWAY & HIWAY 49 SO, MARIPOSA, CA 95338 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| KEN NABORS TRUCKING FREE PREVIEW (LOW RISK) | 4581 JEANNINE, MARIPOSA, CA 95338 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| TAVIS CORPORATION FREE PREVIEW (LOW RISK) | 3636 HIGHWAY 49 SOUTH, MARIPOSA, CA 95338 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| RECOLOGY MARIPOSA FREE PREVIEW (LOW RISK) | 4705 STATE HWY 49 S, MARIPOSA, CA 95338 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Mariposa, California Environmental Risk & Radon
How many EPA-regulated facilities are in Mariposa, CA?
U.S. EPA records track 131 regulated facilities in Mariposa, California, including 2 high-risk sites (1.5%), 3 active violators (2.3%), and 97 RCRA hazardous waste handlers (74.0%).
Which ZIP codes in Mariposa, CA have the most EPA-tracked sites?
Within Mariposa, regulated facilities are primarily concentrated across ZIP 95338 (129 sites), ZIP 95538 (3 sites).
How can I check a specific house or commercial property in Mariposa, CA?
Enter the exact street address in Mariposa 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 Mariposa, CA and how many EPA water permits exist?
In Mariposa, CA, federal registries track 12 Safe Drinking Water (SDWIS) facilities, 22 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Mariposa, CA?
USDA regional soil screening for Mariposa indicates a MODERATE shrink-swell foundation signal, and Mariposa County has recorded 6 federal FEMA disaster declarations (4 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.