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

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

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

Public U.S. EPA records track 295 regulated facilities in Arcata, California (Humboldt County), including 1 High-Risk sites (0.3%) and 3 active violators. In addition to industrial waste, Arcata properties are screened for Tap Water & Watershed Permits (65 systems), USDA Soil Foundation Shrink-Swell (LOW signal), 4 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites
295
High-Risk (0.3% vs 0.3% State)
1
Active Violators (1.0%)
3
Drinking & Clean Water
65
Federal Penalties
$48,000

Arcata, 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
Humboldt 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: LOW • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
2 SDWIS Systems • 63 NPDES Permits
🔒 12 Impaired Water (303d) & 4 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ 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

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

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 02, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 244 (82.7%)
Clean Water (NPDES) & Drinking Water (SDWIS) 65 (22.0%)
Active EPA Non-Compliance Dockets 3 (1.0%)
High-Risk Enforcement Facilities 1 (0.3%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively High (96.8/100)
🌊 Flood Exposure 7/10 • High Hazard
🔥 Wildfire Hazard 5/10 • Moderate Hazard
☀️ Extreme Heat 3/10 • Low Hazard
🌪️ Severe Wind / Storm 1/10 • Very Low Hazard
🫨 USGS Earthquake 7/10 • High Hazard
3. City vs. County & State Benchmark
Arcata High-Risk Rate 0.3%
Humboldt County Average 1.5%
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 Arcata →

ZIP Codes in Arcata, CA

ZIP 95521 (297 sites • 1 High Risk) ZIP 95518 (3 sites • 0 High Risk) ZIP 99521 (2 sites • 0 High Risk)

Highest-Scored EPA Regulated Facilities in Arcata, 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 • ARCATA, CA (ZIP 95521 Sector) HIGH (77/100) Significant Violation (12 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • ARCATA, CA (ZIP 95521 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • ARCATA, CA (ZIP 95521 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • ARCATA, CA (ZIP 95521 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • ARCATA, CA (ZIP 95521 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • ARCATA, CA (ZIP 95521 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • ARCATA, CA (ZIP 95521 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • ARCATA, CA (ZIP 95521 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
ROYAL GOLD LLC FREE PREVIEW (LOW RISK) 1689 GLENDALE DR, ARCATA, CA 95521 LOW (25/100) No Violation Identified (0 qtrs NC) $0
ALVES INCORPORATED FREE PREVIEW (LOW RISK) 4200 WEST END RD, ARCATA, CA 95521 LOW (20/100) No Violation Identified (0 qtrs NC) $0
MARIMBA ONE, INC. FREE PREVIEW (LOW RISK) 901 O ST, ARCATA, CA 95521 LOW (20/100) No Violation Identified (0 qtrs NC) $0
HUMBOLDT STATE UNIVERSITY FREE PREVIEW (LOW RISK) 1 HARPST STREET, ARCATA, CA 95521 LOW (19/100) No Violation Identified (0 qtrs NC) $0
🔒 + 283 Additional Regulated & Enforcement Records in Arcata, CA Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Arcata, California Environmental Risk & Radon

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

U.S. EPA records track 295 regulated facilities in Arcata, California, including 1 high-risk sites (0.3%), 3 active violators (1.0%), and 244 RCRA hazardous waste handlers (82.7%).

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

Within Arcata, regulated facilities are primarily concentrated across ZIP 95521 (297 sites), ZIP 95518 (3 sites), ZIP 99521 (2 sites).

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

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

In Arcata, CA, federal registries track 2 Safe Drinking Water (SDWIS) facilities, 63 Clean Water Act NPDES permits, and 12 impaired water body dischargers.

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

USDA regional soil screening for Arcata indicates a LOW shrink-swell foundation signal, and Humboldt 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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