Longmont, Colorado — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Longmont, CO?
Public U.S. EPA records track 1,188 regulated facilities in Longmont, Colorado (Weld County), including 12 High-Risk sites (1.0%) and 26 active violators. In addition to industrial waste, Longmont properties are screened for Tap Water & Watershed Permits (643 systems), USDA Soil Foundation Shrink-Swell (LOW signal), 14 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Longmont, CO 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Longmont, CO Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Longmont, CO
Highest-Scored EPA Regulated Facilities in Longmont, CO
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 • LONGMONT, CO (ZIP 80501 Sector) | HIGH (65/100) | Significant Violation (7 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • LONGMONT, CO (ZIP 80503 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • LONGMONT, CO (ZIP 00000 Sector) | HIGH (64/100) | Significant Violation (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • LONGMONT, CO (ZIP 80504 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • LONGMONT, CO (ZIP 80501 Sector) | MODERATE (61/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • LONGMONT, CO (ZIP 80504 Sector) | MODERATE (47/100) | Resolved / Historical Non-Compliance (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • LONGMONT, CO (ZIP 80501 Sector) | MODERATE (42/100) | Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • LONGMONT, CO (ZIP 80504 Sector) | MODERATE (41/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| JET STRIP FREE PREVIEW (LOW RISK) | 1011 MAIN ST, LONGMONT, CO 80501 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| PERFECTION AUTO BODY FREE PREVIEW (LOW RISK) | 1135 KIMBARK DRIVE, LONGMONT, CO 80501 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| FAIRWAYS METROPOLITAN DISTRICT WWTP IMPROVEMENTS FREE PREVIEW (LOW RISK) | 4650 PALMER CR, LONGMONT, CO 80503 | LOW (17/100) | Unknown (0 qtrs NC) | $0 |
| MAXTOR CORPORATION FREE PREVIEW (LOW RISK) | 2040 MILLER DR, LONGMONT, CO 80501 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Longmont, Colorado Environmental Risk & Radon
How many EPA-regulated facilities are in Longmont, CO?
U.S. EPA records track 1,188 regulated facilities in Longmont, Colorado, including 12 high-risk sites (1.0%), 26 active violators (2.2%), and 300 RCRA hazardous waste handlers (25.3%).
Which ZIP codes in Longmont, CO have the most EPA-tracked sites?
Within Longmont, regulated facilities are primarily concentrated across ZIP 80501 (580 sites), ZIP 80513 (324 sites), ZIP 80503 (231 sites), ZIP 80502 (14 sites).
How can I check a specific house or commercial property in Longmont, CO?
Enter the exact street address in Longmont 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 Longmont, CO and how many EPA water permits exist?
In Longmont, CO, federal registries track 2 Safe Drinking Water (SDWIS) facilities, 641 Clean Water Act NPDES permits, and 92 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Longmont, CO?
USDA regional soil screening for Longmont indicates a LOW shrink-swell foundation signal, and Weld County has recorded 14 federal FEMA disaster declarations (1 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.