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

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

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

Public U.S. EPA records track 679 regulated facilities in Porterville, California (Tulare County), including 2 High-Risk sites (0.3%) and 7 active violators. In addition to industrial waste, Porterville properties are screened for Tap Water & Watershed Permits (104 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).

Total EPA Sites
679
High-Risk (0.3% vs 0.3% State)
2
Active Violators (1.0%)
7
Drinking & Clean Water
104
Federal Penalties
$13,000

Porterville, 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
Tulare County: 4 FEMA Declarations (4 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: MODERATE • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
12 SDWIS Systems • 92 NPDES Permits
🔒 38 Impaired Water (303d) & 13 Violation Dockets Locked
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☢️ EPA Radon & Karst Sinkhole
EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Porterville, CA Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 581 (85.6%)
Clean Water (NPDES) & Drinking Water (SDWIS) 104 (15.3%)
Active EPA Non-Compliance Dockets 7 (1.0%)
High-Risk Enforcement Facilities 2 (0.3%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively High (97.0/100)
🌊 Flood Exposure 7/10 • High Hazard
🔥 Wildfire Hazard 7/10 • High Hazard
☀️ Extreme Heat 7/10 • High Hazard
🌪️ Severe Wind / Storm 3/10 • Low Hazard
🫨 USGS Earthquake 5/10 • Moderate Hazard
3. City vs. County & State Benchmark
Porterville High-Risk Rate 0.3%
Tulare 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 Porterville →

ZIP Codes in Porterville, CA

ZIP 93257 (680 sites • 2 High Risk) ZIP 93258 (14 sites • 0 High Risk)

Highest-Scored EPA Regulated Facilities in Porterville, 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 High-Risk EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • PORTERVILLE, CA (ZIP 93257 Sector) HIGH (64/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • PORTERVILLE, CA (ZIP 93257 Sector) MODERATE (52/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • PORTERVILLE, CA (ZIP 93257 Sector) MODERATE (41/100) Violation Identified (7 qtrs NC) 🔒 7 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • PORTERVILLE, CA (ZIP 93257 Sector) MODERATE (35/100) Resolved / Historical Non-Compliance (3 qtrs NC) 🔒 3 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • PORTERVILLE, CA (ZIP 93257 Sector) MODERATE (35/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • PORTERVILLE, CA (ZIP 93257 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • PORTERVILLE, CA (ZIP 93257 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • PORTERVILLE, CA (ZIP 93257 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
GILLESPIE AG SERVICE FREE PREVIEW (LOW RISK) 15301 RD. 192, PORTERVILLE, CA 93257 LOW (18/100) No Violation Identified (0 qtrs NC) $0
PORTERVILLE SUBSTATION FREE PREVIEW (LOW RISK) 95 N. COTTAGE ST, PORTERVILLE, CA 93257 LOW (17/100) No Violation Identified (0 qtrs NC) $0
BIDRL FREE PREVIEW (LOW RISK) 885 W HENDERSON AVE, PORTERVILLE, CA 93257 LOW (17/100) No Violation Identified (0 qtrs NC) $0
SOUTHERN CALIFORNIA GAS CO FREE PREVIEW (LOW RISK) 1809 SO NEWCOMB, PORTERVILLE, CA 93257 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 667 Additional Regulated & Enforcement Records in Porterville, CA Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Porterville, California Environmental Risk & Radon

How many EPA-regulated facilities are in Porterville, CA?

U.S. EPA records track 679 regulated facilities in Porterville, California, including 2 high-risk sites (0.3%), 7 active violators (1.0%), and 581 RCRA hazardous waste handlers (85.6%).

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

Within Porterville, regulated facilities are primarily concentrated across ZIP 93257 (680 sites), ZIP 93258 (14 sites).

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

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

In Porterville, CA, federal registries track 12 Safe Drinking Water (SDWIS) facilities, 92 Clean Water Act NPDES permits, and 38 impaired water body dischargers.

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

USDA regional soil screening for Porterville indicates a MODERATE shrink-swell foundation signal, and Tulare County has recorded 4 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.

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