San Juan County, UT
The federal environmental record for San Juan County (population 14,358): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
2
Superfund NPL sites
11
federal cleanup sites
0
PFAS-detecting water systems
2
TRI facilities
9
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Monticello Mill Tailings (USDOE) | Monticello | on the NPL | 11/21/1989 |
| Monticello Radioactively Contaminated Properties | Monticello | deleted | 06/10/1986 |
Drinking water: PFAS testing
No public water system serving San Juan reported a PFAS detection in the UCMR5 national testing round. Systems serving under 3,300 people were only sampled in part, so absence from this table is not proof of absence in the water.
Facilities reporting toxic releases (2024)
2 facilities in San Juan filed TRI reports for 2024, totalling 1 lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| MOAB SITE ASPHALT PLANT CONCRETE BATCH | MOAB | Lead | 1 lb |
| RELADYNE WEST LLC | BLANDING | Polycyclic aromatic compounds | 0 lb |
Underground fuel tanks
EPA's UST Finder records 114 tank facilities in San Juan: 66 tanks in service and 249 closed. 67 fuel releases are on record, of which 9 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps San Juan as Zone 2, moderate predicted indoor radon (2 to 4 pCi/L average). Radon and air quality are covered in depth on lung.com.
The record for one specific address
County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.
Get the report - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for San Juan, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- COTTONWOOD CANYONBLANDING
- FRYE CANYON TAILINGHITE
- KING EDWARD MINEBLANDING
- LISBON VALLEY GROUP (TRONOX)LA SAL
- MONTICELLO MILL TAILINGS (USDOE)MONTICELLO
- MONTICELLO RADIOACTIVELY CONTAMINATED PROPERTIESMONTICELLO
- NAVAJO NATION URANIUM MINES/OLJETOMONUMENT VALLEY
- PER PROJECT BEARS EARS SITEBLANDING
- PERSHING PROJECT - BLANDING LAUNCH COMPLEXBLANDING
- TAYLOR REID #1 & 2 MINESMONUMENT VALLEY
- WHIRLWIND MINEMONUMENT VALLEY