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13-SECTION MUNICIPAL PROPERTY, MARKET, FLOOD & HAZARD HUB • TWAIN HARTE, CA

Twain Harte, California — Property Hazard, Flood Zone, Soil, Water & Market Guide

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What Are the Major Property, Flood, Soil & Environmental Risks in Twain Harte, CA?

Public U.S. EPA records track 35 regulated facilities in Twain Harte, California (Tuolumne County), including 1 High-Risk sites (2.9%) and 1 active violators. In addition to industrial waste, Twain Harte properties are screened for Tap Water & Watershed Permits (3 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 4 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites
35
High-Risk (2.9% vs 0.3% State)
1
Active Violators (2.9%)
1
Drinking & Clean Water
3
Federal Penalties
$0

Twain Harte, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
Tuolumne County: 4 FEMA Declarations (3 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: HIGH • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
2 SDWIS Systems • 1 NPDES Permits
🔒 1 Impaired Water (303d) & 2 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Twain Harte, CA Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 32 (91.4%)
Clean Water (NPDES) & Drinking Water (SDWIS) 3 (8.6%)
Active EPA Non-Compliance Dockets 1 (2.9%)
High-Risk Enforcement Facilities 1 (2.9%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Moderate (85.2/100)
🌊 Flood Exposure 5/10 • Moderate Hazard
🔥 Wildfire Hazard 7/10 • High Hazard
☀️ Extreme Heat 5/10 • Moderate Hazard
🌪️ Severe Wind / Storm 1/10 • Very Low Hazard
🫨 USGS Earthquake 3/10 • Low Hazard
3. City vs. County & State Benchmark
Twain Harte High-Risk Rate 2.9%
Tuolumne County Average 1.0%
California (CA) Statewide Avg 0.3%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Scan a Property Address in Twain Harte →

ZIP Codes in Twain Harte, CA

ZIP 95383 (36 sites • 1 High Risk)

Highest-Scored EPA Regulated Facilities in Twain Harte, CA

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

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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 • TWAIN HARTE, CA (ZIP 95383 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • TWAIN HARTE, CA (ZIP 95383 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • TWAIN HARTE, CA (ZIP 95383 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • TWAIN HARTE, CA (ZIP 95383 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • TWAIN HARTE, CA (ZIP 95370 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • TWAIN HARTE, CA (ZIP 95383 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • TWAIN HARTE, CA (ZIP 95383 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • TWAIN HARTE, CA (ZIP 95383 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
SELBY CABINET SHOPPE INC FREE PREVIEW (LOW RISK) 21350 KNOX DR, TWAIN HARTE, CA 95383 LOW (17/100) No Violation Identified (0 qtrs NC) $0
N & L REICH ENTERPRISES LLC DBA REICH'S OUTPOST SUGAR PINE FREE PREVIEW (LOW RISK) 24269 STATE HWY 108, TWAIN HARTE, CA 95383 LOW (17/100) No Violation Identified (0 qtrs NC) $0
JOHN HICKS TRUCKING FREE PREVIEW (LOW RISK) 23672 KIT CARSON DR, TWAIN HARTE, CA 95383 LOW (17/100) No Violation Identified (0 qtrs NC) $0
WAYNES AUTO SERVICE FREE PREVIEW (LOW RISK) 24269 HWY 108, TWAIN HARTE, CA 95383 LOW (16/100) No Violation Identified (0 qtrs NC) $0
🔒 + 23 Additional Regulated & Enforcement Records in Twain Harte, CA Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Twain Harte, California Environmental Risk & Radon

How many EPA-regulated facilities are in Twain Harte, CA?

U.S. EPA records track 35 regulated facilities in Twain Harte, California, including 1 high-risk sites (2.9%), 1 active violators (2.9%), and 32 RCRA hazardous waste handlers (91.4%).

Which ZIP codes in Twain Harte, CA have the most EPA-tracked sites?

Within Twain Harte, regulated facilities are primarily concentrated across ZIP 95383 (36 sites).

How can I check a specific house or commercial property in Twain Harte, CA?

Enter the exact street address in Twain Harte 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 Twain Harte, CA and how many EPA water permits exist?

In Twain Harte, CA, federal registries track 2 Safe Drinking Water (SDWIS) facilities, 1 Clean Water Act NPDES permits, and 1 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in Twain Harte, CA?

USDA regional soil screening for Twain Harte indicates a HIGH shrink-swell foundation signal, and Tuolumne 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.

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