ZIP 84121 (Salt Lake City, UT) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 84121 in Salt Lake City, Utah (Salt Lake County) has 256 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 2 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 84121 are screened across 2 historical Salt Lake County FEMA disasters, USDA Soil Foundation Shrink-Swell (HIGH signal), Tap Water & Watershed Permits (209), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 84121 (Salt Lake City, UT) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 84121 (Salt Lake City, UT) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 84121 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 2 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 84121 (Salt Lake City, UT)
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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • COTTONWOOD HEIGHTS, UT (ZIP 84121 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • HOLLADAY, UT (ZIP 84121 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SALT LAKE CITY, UT (ZIP 84121 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SALT LAKE CITY, UT (ZIP 84121 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MIDVALE, UT (ZIP 84121 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • SALT LAKE CITY, UT (ZIP 84121 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SALT LAKE CITY, UT (ZIP 84121 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SALT LAKE CITY, UT (ZIP 84121 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| PRAXAIR FREE PREVIEW (LOW RISK) | 6880 SOUTH 2300 EAST, SALT LAKE CITY, UT 84121 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| A J DEAN & SON READY MIX CONC FREE PREVIEW (LOW RISK) | 6695 WASATCH BOULEVARD, SALT LAKE CITY, UT 84121 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| TIMBERS CHALET FREE PREVIEW (LOW RISK) | 7180 MOUNTAIN GLEN LANE, BRIGHTON, UT 84121 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| BEA RESIDENCE FREE PREVIEW (LOW RISK) | 11428 WILLOW FORK LANE, BRIGHTON, UT 84121 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 84121 (Salt Lake City, UT) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 84121 (Salt Lake City, UT)?
ZIP code 84121 (Salt Lake City, UT) contains 256 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 2 (0.8%) have active compliance violations, and 43 (16.8%) handle RCRA hazardous waste.
How does ZIP 84121 compare to Salt Lake County and Utah averages?
In ZIP 84121, 0.0% of regulated sites are rated High Risk, compared to 0.5% across Salt Lake County and 0.4% statewide in Utah.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 84121?
Geologic screening places ZIP 84121 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 84121 (Salt Lake City, UT) in a FEMA flood zone and what is the flood disaster history?
Salt Lake County has recorded 2 historical FEMA federal disaster declarations (1 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 84121 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 84121 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 84121 indicates a HIGH shrink-swell risk signal. Within ZIP 84121, federal registries track 2 SDWIS drinking water facilities, 207 Clean Water NPDES permits, and 161 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.