Costilla County, Colorado — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Costilla County, CO?
In Costilla County, Colorado, public U.S. EPA records track 46 regulated facilities (#78 of 108 in Colorado), including 2 (4.3%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 12 Safe Drinking Water (SDWIS) facilities, 21 Clean Water NPDES permits, 14 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Costilla County, CO 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Costilla County, CO Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Costilla County
ZIP Codes in Costilla County
Top EPA Regulated Facilities in Costilla County, 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 • SAN LUIS, CO (ZIP 81152 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • UNK, CO (ZIP 99999 Sector) | MODERATE (41/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • FORT GARLAND, CO (ZIP 81133 Sector) | MODERATE (40/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • FORT GARLAND, CO (ZIP 81133 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • COSTILLA COUNTY, CO (ZIP 81152 Sector) | MODERATE (35/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • GARCIA, CO (ZIP 81152 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • UNK, CO (ZIP 99999 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • , CO (ZIP Sector) | MODERATE (30/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| AT&T SAN LUIS R FREE PREVIEW (LOW RISK) | 4.9 MILES SW OF, SAN LUIS, CO 81152 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| COLORADO DEPT OF TRANSPORTATION - FORT GARLAND FREE PREVIEW (LOW RISK) | SH 159 S MP 33.23, FORT GARLAND, CO 81133 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| FAMILY DOLLAR #8102 FREE PREVIEW (LOW RISK) | 901 SR 159, SAN LUIS, CO 81152 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| SANCHEZ RESERVOIR FREE PREVIEW (LOW RISK) | 19280 SANCHEZ RESERVOIR RD, SAN LUIS, CO 81152 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Costilla County, Colorado Environmental Due Diligence
How many EPA-regulated environmental sites are in Costilla County, Colorado?
Public U.S. EPA records track 46 regulated facilities in Costilla County, Colorado (ranking #78 of 108 jurisdictions in CO). Of those, 2 (4.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 9 (19.6%) have active non-compliance quarters.
Which ZIP codes and cities in Costilla County have the highest regulated facility density?
Within Costilla County, the highest concentrations of EPA-tracked facilities are located in ZIP 81152 (San Luis, 4.0 Mi N Of, 23 sites), ZIP 81133 (Fort Garland, 11 sites), ZIP 81123 (Blanca, 9 sites), spanning municipal corridors including Unk (1,837 sites), San Luis (19 sites), Fort Garland (10 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Costilla County?
Across Costilla County, 6 facilities (13.0% 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 Costilla County, CO?
Geologic indoor air screening places Costilla 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 Costilla County, CO?
Federal records track 12 Safe Drinking Water (SDWIS) facilities, 21 Clean Water Act NPDES permits, and 1 impaired water dischargers in Costilla County, alongside 14 historical FEMA federal disaster declarations (1 flood/storm events).
Does Costilla County, CO have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Costilla County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Low. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.