Box Elder County, UT
The federal environmental record for Box Elder County (population 62,684): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
4
federal cleanup sites
1
PFAS-detecting water systems
15
TRI facilities
16
open tank releases
Drinking water: PFAS testing
Public water systems serving Box Elder with at least one PFAS detection under UCMR5. The federal limit for PFOA and PFOS is 4 ng/L; EPA proposed in May 2026 to rescind the limits for the other compounds, which are shown for information.
| System | Highest results | Reading |
|---|---|---|
| BRIGHAM CITY WATER SYSTEM UTAH02004 | PFBS: 4.9 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
15 facilities in Box Elder filed TRI reports for 2024, totalling 1.0M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| NUCOR STEEL - A DIV OF NUCOR CORP | PLYMOUTH | Zinc compounds, Lead And Lead Compounds | 577k lb |
| NORTHROP GRUMMAN SYSTEMS CORP - PROMONTORY | PROMONTORY | Aluminum (fume or dust), Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 231k lb |
| AUTOLIV ASP INC PROMONTORY | CORINNE | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Copper And Copper Compounds | 105k lb |
| U.S. DOD, USAF, HILL AFB UTTR ACTIVITIES, RANGE | UTTR | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Lead | 54k lb |
| STORM PRODUCTS INC | BRIGHAM CITY | N-Methyl-2-pyrrolidone, Xylene (mixed isomers) | 23k lb |
| NUCOR BUILDING SYSTEMS LLC-UTAH | BRIGHAM CITY | Manganese, Polycyclic aromatic compounds | 7k lb |
| WEST LIBERTY FOODS TREMONTON | TREMONTON | Ammonia | 4k lb |
| NUCOR CORP VULCRAFT DIV | BRIGHAM CITY | Manganese, Nickel | 3k lb |
| TMS INTERNATIONAL LLC | PLYMOUTH | Manganese And Manganese Compounds, Lead And Lead Compounds | 1k lb |
| NUTRISOL LLC | CORINNE | Zinc compounds | 539 lb |
| AUTOLIV N.A. | BRIGHAM CITY | Copper compounds | 250 lb |
| NUCOR INSULATED PANEL GROUP UTAH | BRIGHAM CITY | Diisocyanates | 1 lb |
| GENEVA ROCK PRODUCTS PERRY | BRIGHAM CITY | Lead | 0 lb |
| THE PROCTER & GAMBLE PAPER PRODUCTS CO | BEAR RIVER CITY | Dioxin and dioxin-like compounds | 0 lb |
| CMC SOUTHERN POST UTAH | BRIGHAM CITY | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 163 tank facilities in Box Elder: 88 tanks in service and 351 closed. 122 fuel releases are on record, of which 16 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Box Elder 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 Box Elder, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- AIR FORCE PLANT 78BRIGHAM
- BLM-SNOWVILLE LANDFILLSNOWVILLE
- ELWOOD THALLIUMTREMONTON
- RAHKONEN DRUMSBRIGHAM CITY