Knox County, Maine — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Knox County, ME?
In Knox County, Maine, public U.S. EPA records track 292 regulated facilities (#11 of 32 in Maine), including 5 (1.7%) High-Risk sites and $5,325,511 in federal penalties. Countywide due diligence also covers 70 Safe Drinking Water (SDWIS) facilities, 112 Clean Water NPDES permits, 5 FEMA Federal Disaster Declarations (5 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Knox County, ME 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Knox County, ME Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Knox County
ZIP Codes in Knox County
Top EPA Regulated Facilities in Knox County, ME
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 • THOMASTON, ME (ZIP 04861 Sector) | HIGH (72/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CAMDEN, ME (ZIP 04843 Sector) | HIGH (64/100) | Violation Identified (8 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ROCKLAND, ME (ZIP 04841 Sector) | MODERATE (40/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ROCKLAND, ME (ZIP 04841 Sector) | MODERATE (37/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CAMDEN, ME (ZIP 04843 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ROCKLAND, ME (ZIP 04841 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • WASHINGTON, ME (ZIP 04574 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • , ME (ZIP Sector) | MODERATE (32/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| LONZA ROCKLAND, INC. FREE PREVIEW (LOW RISK) | 191 THOMASTON ST, ROCKLAND, ME 04841 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| HANNAFORD SUPERMARKET 151 FREE PREVIEW (LOW RISK) | 145 ELM ST, CAMDEN, ME 04843 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| STAPLES #1291 FREE PREVIEW (LOW RISK) | 235 CAMDEN STREET, ROCKLAND, ME 04841 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| FORMER STEAMSHIP NAVIGATION SITE C/O MEDEP FREE PREVIEW (LOW RISK) | 2287 CAMDEN ROAD, WARREN, ME 04864 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Knox County, Maine Environmental Due Diligence
How many EPA-regulated environmental sites are in Knox County, Maine?
Public U.S. EPA records track 292 regulated facilities in Knox County, Maine (ranking #11 of 32 jurisdictions in ME). Of those, 5 (1.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 10 (3.4%) have active non-compliance quarters.
Which ZIP codes and cities in Knox County have the highest regulated facility density?
Within Knox County, the highest concentrations of EPA-tracked facilities are located in ZIP 04841 (Rockland, 98 sites), ZIP 04843 (Camden, 33 sites), ZIP 04861 (Thomaston, 25 sites), spanning municipal corridors including Rockland (98 sites), Camden (33 sites), Thomaston (25 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Knox County?
Across Knox County, 129 facilities (44.2% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).
What is the EPA Radon Zone classification for Knox County, ME?
Geologic indoor air screening places Knox County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Knox County, ME?
Federal records track 70 Safe Drinking Water (SDWIS) facilities, 112 Clean Water Act NPDES permits, and 4 impaired water dischargers in Knox County, alongside 5 historical FEMA federal disaster declarations (5 flood/storm events).
Does Knox County, ME have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Knox County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.