PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 01, 2026
Home › States › Tennessee › Dayton › ZIP 37321
6-IN-1 ZIP CODE ENVIRONMENTAL, WATER, SOIL & FLOOD PROFILE • 37321

ZIP 37321 (Dayton, TN) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

Run Full 1-Mile Property Scan in 37321 →

ZIP code 37321 in Dayton, Tennessee (Rhea County) has 170 EPA-tracked facilities, including 5 High-Risk sites (2.9%), 8 active violators, and $30,722 in federal penalties. Beyond industrial pollution, properties in ZIP 37321 are screened across 4 historical Rhea County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (118), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites in 37321
170
High-Risk (2.9% vs 3.0% County)
5
Active Violators (4.7%)
8
Drinking & Clean Water
118
Federal Penalties
$30,722

ZIP 37321 (Dayton, TN) 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
Rhea County: 4 FEMA Declarations (3 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Mandatory Insurance Status Locked
Unlock Parcel Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: MODERATE • Pipe Corrosion: Low
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
2 SDWIS Systems • 116 NPDES Permits
🔒 51 Impaired Water (303d) & 13 Violation Dockets in 37321 Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L)
Elevated Carbonate / Karst Sinkhole Belt — Monitor Foundation Settlement & Surface Depressions
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 ZIP 37321 (Dayton, TN) Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. ZIP 37321 Regulatory & Water Mix
RCRA Hazardous Waste Generators 46 (27.1%)
Clean Water (NPDES) & Drinking Water (SDWIS) 118 (69.4%)
Active EPA Non-Compliance Dockets 8 (4.7%)
High-Risk Enforcement Facilities 5 (2.9%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (49.2/100)
🌊 Flood Exposure 3/10 • Low Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 1/10 • Very Low Hazard
🌪️ Severe Wind / Storm 5/10 • Moderate Hazard
🫨 USGS Earthquake 3/10 • Low Hazard
3. ZIP 37321 vs. County & State Benchmark
ZIP 37321 High-Risk Rate 2.9%
Rhea County Average 3.0%
Tennessee (TN) Statewide Avg 1.7%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Unlock Full 6-in-1 Property Report for 37321 →

ZIP 37321 Sector Screening Map (High-Risk Pin Coordinates Locked)

Exact street pins for 5 High-Risk and 8 Active Violation sites are redacted on public directory maps.

🔒 Unlock Exact Hazard Pin Map →
🔒 5 High-Risk & 8 Violation Pin Coordinates Redacted in ZIP 37321 (Only 3 Low-Risk Preview Pins Shown) Unlock Full Parcel Map & Street Dossier →

Regulated EPA Facilities in ZIP 37321 (Dayton, TN)

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

Unlock Full ZIP 37321 Dossier →
Facility Name / Hazard Type Sector Location (Street Redacted) Risk Score (0–100) Compliance Status Enforcement / Unlock
🔒 Locked High-Risk EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • DAYTON, TN (ZIP 37321 Sector) HIGH (69/100) Significant Violation (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • DAYTON, TN (ZIP 37321 Sector) HIGH (65/100) Significant Violation (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • DAYTON, TN (ZIP 37321 Sector) HIGH (64/100) Significant Violation (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • DAYTON, TN (ZIP 37321 Sector) HIGH (64/100) Significant Violation (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • DAYTON, TN (ZIP 37321 Sector) MODERATE (59/100) Resolved / Historical Non-Compliance (8 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • DAYTON, TN (ZIP 37321 Sector) MODERATE (51/100) Violation Identified (12 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • DAYTON, TN (ZIP 37321 Sector) MODERATE (35/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • DAYTON, TN (ZIP 37321 Sector) MODERATE (35/100) Violation Identified (3 qtrs NC) 🔒 3 Qtrs Non-Compliance • Unlock →
POLYLOOM CORPORATION OF AMERICA FREE PREVIEW (LOW RISK) 1131 BROADWAY ST., DAYTON, TN 37321 LOW (24/100) No Violation Identified (0 qtrs NC) $0
DOMINION BOX CO, INC. FREE PREVIEW (LOW RISK) 2161 RAILROAD STREET, DAYTON, TN 37321 LOW (23/100) No Violation Identified (0 qtrs NC) $0
LOWE'S OF DAYTON, TN #2866 FREE PREVIEW (LOW RISK) 3535 RHEA COUNTY HIGHWAY, DAYTON, TN 37321 LOW (19/100) No Violation Identified (0 qtrs NC) $0
INTERNATIONAL AUTOMOTIVE COMPONENTS (IAC) FREE PREVIEW (LOW RISK) 220 LEAR LANE, DAYTON, TN 37321 LOW (19/100) No Violation Identified (0 qtrs NC) $0
🔒 + 158 Additional Regulated & Enforcement Records in ZIP 37321 Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — ZIP 37321 (Dayton, TN) EPA Dataset & Radon

DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)

How many EPA-tracked environmental sites are in ZIP code 37321 (Dayton, TN)?

ZIP code 37321 (Dayton, TN) contains 170 EPA-tracked facilities, of which 5 (2.9%) are classified in the High-Risk tier, 8 (4.7%) have active compliance violations, and 46 (27.1%) handle RCRA hazardous waste.

How does ZIP 37321 compare to Rhea County and Tennessee averages?

In ZIP 37321, 2.9% of regulated sites are rated High Risk, compared to 3.0% across Rhea County and 1.7% statewide in Tennessee.

What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 37321?

Geologic screening places ZIP 37321 in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.

Is ZIP 37321 (Dayton, TN) in a FEMA flood zone and what is the flood disaster history?

Rhea County has recorded 4 historical FEMA federal disaster declarations (3 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 37321 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.

Does ZIP 37321 have expansive clay soil, foundation problems, or drinking water violations?

USDA regional soil screening for ZIP 37321 indicates a MODERATE shrink-swell risk signal. Within ZIP 37321, federal registries track 2 SDWIS drinking water facilities, 116 Clean Water NPDES permits, and 51 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.

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