Salt Lake County, UT
The federal environmental record for Salt Lake County (population 1,185,813): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
11
Superfund NPL sites
59
federal cleanup sites
5
PFAS-detecting water systems
63
TRI facilities
90
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| 700 South 1600 East PCE Plume | Salt Lake City | on the NPL | 05/24/2013 |
| Davenport and Flagstaff Smelters | Sandy City | deleted | 04/30/2003 |
| Kennecott (North Zone) | Magna | proposed | - |
| Midvale Slag | Midvale | deleted | 02/11/1991 |
| Murray Smelter | Murray City | proposed | - |
| Petrochem Recycling Corp./Ekotek, Inc. | Salt Lake City | deleted | 10/14/1992 |
| Portland Cement (Kiln Dust 2 & 3) | Salt Lake City | on the NPL | 06/10/1986 |
| Rose Park Sludge Pit | Salt Lake City | deleted | 09/08/1983 |
| Sharon Steel Corp. (Midvale Tailings) | Midvale | deleted | 08/30/1990 |
| Utah Power & Light/American Barrel Co. | Salt Lake City | on the NPL | 10/04/1989 |
| Wasatch Chemical Co. (Lot 6) | Salt Lake City | on the NPL | 02/11/1991 |
Drinking water: PFAS testing
Public water systems serving Salt Lake 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 |
|---|---|---|
| SALT LAKE CITY WATER SYSTEM UTAH18026 | PFHxS: 18.2 ng/L PFOS: 7.1 ng/L PFPeA: 6.2 ng/L | above final limit |
| WEST JORDAN CITY WATER SYSTEM UTAH18020 | PFHxA: 4.6 ng/L PFPeA: 4.2 ng/L PFBS: 3.1 ng/L | detected |
| MURRAY CITY WATER SYSTEM UTAH18024 | PFPeA: 8.9 ng/L PFBS: 7.5 ng/L PFHxA: 7.1 ng/L | detected |
| SOUTH SALT LAKE CITY WATER SYSTEM UTAH18032 | PFBA: 13 ng/L | detected |
| HERRIMAN CITY MUNICIPAL WATER DEPARTMENT UTAH18157 | PFHxA: 8.5 ng/L PFPeA: 3.5 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
63 facilities in Salt Lake filed TRI reports for 2024, totalling 215.0M lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT | BINGHAM CANYON | Lead And Lead Compounds, Copper And Copper Compounds | 192.7M lb |
| KENNECOTT UTAH COPPER SMELTER & REFINERY | MAGNA | Copper And Copper Compounds, Zinc compounds | 21.2M lb |
| HEXCEL CORP | SALT LAKE CITY | Ammonia, Hydrogen cyanide | 376k lb |
| CHEVRON PRODUCTS CO - SALT LAKE REFINERY | SALT LAKE CITY | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Benzene | 194k lb |
| ASAHI REFINING USA INC | WEST VALLEY CITY | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead And Lead Compounds | 177k lb |
| TESORO REFINING & MARKETING COMPANY LLC - SLC | SALT LAKE CITY | Hydrogen sulfide, Ammonia | 120k lb |
| EDO CORP WESTERN DIV | SALT LAKE CITY | Lead compounds | 46k lb |
| DANONE US LLC. | WEST JORDAN | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid | 30k lb |
| U.S. ARMY NATIONAL GUARD CAMP WILLIAMS RANGES | RIVERTON | Copper, Lead | 24k lb |
| WEIR MINERALS LINATEX- SALT LAKE CITY | SALT LAKE CITY | Toluene, Zinc compounds | 22k lb |
| CYTOZYME LABORATORIES INC | SALT LAKE CITY | Zinc compounds, Manganese And Manganese Compounds | 16k lb |
| PIONEER METAL FINISHING LLC | SALT LAKE CITY | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid | 12k lb |
| NORTHROP GRUMMAN SYSTEMS CORP - BACCHUS | MAGNA | Aluminum (fume or dust), Nitric acid | 12k lb |
| DADI BATHWARE | SALT LAKE CITY | Styrene | 11k lb |
| DFA DAIRY BRANDS FLUID LLC DBA MEADOW GOLD DAIRY | SALT LAKE CITY | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid | 8k lb |
| QUALITY STEEL CORP OF MS | WEST JORDAN | Manganese | 7k lb |
| VAREX IMAGING CORP | SALT LAKE CITY | Methanol, Mixture | 6k lb |
| AIRGAS USA LLC | SALT LAKE CITY | Propylene | 5k lb |
| RELADYNE WEST LLC | MIDVALE | Toluene, Xylene (mixed isomers) | 5k lb |
| THATCHER CO | SALT LAKE CITY | Ammonia, Methanol | 4k lb |
| OTTO & SONS WEST JORDAN DIV | WEST JORDAN | Ammonia, Mercury | 2k lb |
| ICU MEDICAL | SALT LAKE CITY | 1,3-Butadiene, Acrylonitrile | 2k lb |
| JORDAN RIVER GALVANIZING | WEST JORDAN | Zinc compounds | 1k lb |
| EASTON TECHNICAL PRODUCTS | SALT LAKE CITY | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid | 1k lb |
| INTERSTATE BRICK | WEST JORDAN | Hydrogen fluoride, Lead | 1k lb |
Underground fuel tanks
EPA's UST Finder records 2,088 tank facilities in Salt Lake: 1,301 tanks in service and 5,058 closed. 1,900 fuel releases are on record, of which 90 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Salt Lake 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 Salt Lake, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- 1900 EAST 2700 SOUTH PLUMESALT LAKE CITY
- 3220 SOUTH SOLVENTSSOUTH SALT LAKE CITY
- 4500 SOUTH 300 WEST PLUMEMURRAY
- 4800 SOUTH AND HIGHLAND DRIVE PLUMEHOLLADAY
- 6200 SOUTH 2000 EAST PLUMESHOLLADAY
- 700 SOUTH 1600 EAST PCE PLUMESALT LAKE CITY
- 900 S 200 W SOLVENTSSALT LAKE CITY
- 9000 SOUTH QUARRY PCE PLUMESANDY
- BIG COTTONWOOD MINING DISTRICTSALT LAKE CITY
- BINGHAM MAGNA DITCHWEST VALLEY CITY
- BLAND LANDFILLWEST VALLEY CITY
- DAVENPORT AND FLAGSTAFF SMELTERSSANDY
- EAST SIDE SPRINGSSALT LAKE CITY
- EDISON STREET PLUMESALT LAKE CITY
- FAIRMONT PONDSALT LAKE CITY
- FORMER ACE AUTOMOTIVE WAREHOUSESALT LAKE CITY
- FORT DOUGLASSALT LAKE CITY
- FORT DOUGLAS TOXIC EXERCISE AREASALT LAKE CITY
- GERMANIA SMELTING & REFINING COMPANYMURRAY
- GREAT SALT LAKEMAGNA
- HERCULES INC / NIROPMAGNA
- HOLLADAY VILLAGE PCEHOLLADAY
- INTERMOUNTAIN INSULATION SLC PLANTSALT LAKE CITY
- JORDAN RIVER BURNING BRIDGESALT LAKE CITY
- KENNECOTT (SOUTH ZONE)COPPERTON
- KENNECOTT UTAH COPPER CORP. SMELTER AND REFINERYMAGNA
- LAUNDRY SUPPLY COMPANYSALT LAKE CITY
- LITTLE COTTONWOOD SMELTERSALT LAKE CITY
- MAGNA MERCURY SPILLMAGNA
- MAGNA RESIDENTIAL MERCURY SPILLMAGNA
- MAPLE STREET PLUMEMIDVALE
- MIDVALE SLAGMIDVALE
- MURRAY CHEM/MERCURY RESPONSEMURRAY
- MURRAY SMELTERMURRAY CITY
- NORTH TEMPLE LANDFILLSALT LAKE CITY
- NORTHWEST OIL DRAINSALT LAKE CITY
- PETROCHEM RECYCLING CORP./EKOTEK PLANTSALT LAKE CITY
- PORTLAND CEMENT (KILN DUST 2 & 3)SALT LAKE CITY
- REDWOOD ROAD/4800 SOUTH PCE PLUMETAYLORSVILLE
- RETEP 216 W. PAXTON AVE. PLUMESALT LAKE CITY
- RILEY LANE RESIDENCESMURRAY
- ROSE PARK SLUDGE PITSALT LAKE CITY
- SALT LAKE CITY MEDICAL CENTERSALT LAKE CITY
- SALT LAKE CLEANINGSALT LAKE CITY
- SHARON STEEL CORP. (MIDVALE TAILINGS)MIDVALE
- SHERIDAN HILL SMELTERMIDVALE
- SOUTH JORDAN MERCURY SPILLSOUTH JORDAN
- STATE PAINTINGWEST VALLEY CITY
- UNION PACIFIC RAIL YARD (SALT LAKE)SALT LAKE CITY
- UNITED SMELTING REFINING AND MINING COMIDVALE
- UNITED STATES WELDINGSALT LAKE CITY
- UNITED STEELSALT LAKE CITY
- UTAH AIR NATIONAL GUARD 151ST REFUELINGSALT LAKE CITY
- UTAH ARMY NG MRS PROGRAMDRAPER
- UTAH POWER & LIGHT/AMERICAN BARREL CO.SALT LAKE CITY
- VERMICULITE INTERMOUNTAINSALT LAKE CITY
- VOGUE CLEANING 2950 EAST PLUMEHOLLADAY
- WASATCH CHEMICAL CO. (LOT 6)SALT LAKE CITY
- WELBY RAILYARDWEST JORDAN