BIG WEST OIL NORTH SALT LAKE REFINERY
Quick Summary
- •Released 99,358 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $213,967 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
333 W. CENTER STREET
NORTH SALT LAKE, UT 84054
View on map ↗ - County
- DAVIS County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 324110
- Inspections
- 12 · last Sep 23, 2025
- Total Penalties
- $213,967 · last Oct 1, 2025
- Registry ID
- 110000468921
How This Compares
Ranked by most recent year's total TRI releases.
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
Qtrs Non-Compliant
Qtrs Non-Compliant
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 48,174 | — |
| 2016 | 97,194 | +102% |
| 2017 | 99,358 | +2% |
| 2018 | 179,223 | +80% |
| 2019 | 6,392 | -96% |
| 2020 | 163,451 | +2457% |
| 2021 | 158,645 | -3% |
| 2022 | 169,820 | +7% |
| 2023 | 163,131 | -4% |
| 2024 | 165,416 | +1% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 55,637 | 55,637 | — | — | 1,529 | |
| Hydrogen cyanide | 37,920 | 37,920 | — | — | — | |
| n-Hexane | 18,406 | 18,406 | — | — | — | |
| Toluene | 12,547 | 12,547 | — | — | 391 | |
| Xylene (mixed isomers) | 10,527 | 10,527 | — | — | 2,729 | |
| Ethylene | 9,943 | 9,943 | — | — | — | |
| Propylene | 6,632 | 6,632 | — | — | — | |
| Benzene | 4,239 | 4,239 | — | — | 2,442 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 3,487 | 3,487 | — | — | 0 | |
| Ethylbenzene | 2,188 | 2,188 | — | — | 76 | ♦ Carcinogen |
| Hydrogen sulfide | 1,511 | 1,511 | — | — | 241 | |
| Hydrogen fluoride | 1,399 | 1,399 | — | — | — | |
| Naphthalene | 639 | 639 | — | — | 319 | ♦ Carcinogen |
| Tetrachloroethylene | 177 | 177 | — | — | 620 | ♦ Carcinogen |
| Styrene | 134 | 134 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 13 | 13 | — | — | — | ♦ Carcinogen |
| Lead compounds | 13 | 13 | — | — | 25 | |
| Cyclohexane | 3 | 3 | — | — | 3 | |
| Mercury compounds | 1 | 1 | — | — | 5 | |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Molybdenum trioxide | — | — | — | — | 28,304 | ♦ Carcinogen |
| Ammonia | 53,997 | 53,997 | — | — | 1,027 | |
| Hydrogen cyanide | 36,500 | 36,500 | — | — | — | |
| n-Hexane | 19,985 | 19,985 | — | — | 85 | |
| Toluene | 12,493 | 12,493 | — | — | 2,787 | |
| Xylene (mixed isomers) | 10,490 | 10,490 | — | — | 1,989 | |
| Ethylene | 9,319 | 9,319 | — | — | — | |
| Propylene | 6,219 | 6,219 | — | — | — | |
| Benzene | 3,736 | 3,736 | — | — | 1,400 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 3,650 | 3,650 | — | — | — | |
| Ethylbenzene | 2,254 | 2,254 | — | — | 127 | ♦ Carcinogen |
| Hydrogen fluoride | 1,749 | 1,749 | — | — | — | |
| Hydrogen sulfide | 1,497 | 1,497 | — | — | 240 | |
| Naphthalene | 667 | 667 | — | — | 195 | ♦ Carcinogen |
| Styrene | 367 | 367 | — | — | — | ♦ Carcinogen |
| Tetrachloroethylene | 177 | 177 | — | — | 214 | ♦ Carcinogen |
| Polycyclic aromatic compounds | 12 | 12 | — | — | — | ♦ Carcinogen |
| Lead compounds | 12 | 12 | — | — | 14 | |
| Cyclohexane | 6 | 6 | — | — | 1 | |
| Mercury compounds | 1 | 1 | — | — | 5 | |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 54,419 | 54,419 | — | — | 1,074 | |
| Hydrogen cyanide | 36,774 | 36,774 | — | — | — | |
| n-Hexane | 23,111 | 23,111 | — | — | — | |
| Toluene | 14,860 | 14,860 | — | — | 3,808 | |
| Xylene (mixed isomers) | 12,280 | 12,280 | — | — | 2,897 | |
| Ethylene | 6,105 | 6,105 | — | — | — | |
| Propylene | 5,324 | 5,324 | — | — | — | |
| Benzene | 4,627 | 4,627 | — | — | 2,114 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 4,133 | 4,133 | — | — | — | |
| Ethylbenzene | 2,648 | 2,648 | — | — | 219 | ♦ Carcinogen |
| Hydrogen fluoride | 1,813 | 1,813 | — | — | — | |
| Hydrogen sulfide | 1,799 | 1,799 | — | — | 311 | |
| Naphthalene | 793 | 793 | — | — | 386 | ♦ Carcinogen |
| Styrene | 649 | 649 | — | — | — | ♦ Carcinogen |
| Cyclohexane | 278 | 278 | — | — | 3 | |
| Tetrachloroethylene | 177 | 177 | — | — | 4 | ♦ Carcinogen |
| Polycyclic aromatic compounds | 17 | 17 | — | — | — | ♦ Carcinogen |
| Lead compounds | 12 | 12 | — | — | 38 | |
| Mercury compounds | 1 | 1 | — | — | 1 | |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | 1,549 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 50,996 | 50,996 | — | — | 1,028 | |
| Hydrogen cyanide | 33,900 | 33,900 | — | — | — | |
| n-Hexane | 18,935 | 18,935 | — | — | 205 | |
| Toluene | 14,808 | 14,808 | — | — | 6,335 | |
| Xylene (mixed isomers) | 13,410 | 13,410 | — | — | 4,178 | |
| Ethylene | 6,019 | 6,019 | — | — | — | |
| 1,2,4-Trimethylbenzene | 4,431 | 4,431 | — | — | 246 | |
| Benzene | 4,430 | 4,430 | — | — | 2,891 | ♦ Carcinogen |
| Propylene | 4,271 | 4,271 | — | — | — | |
| Ethylbenzene | 2,723 | 2,723 | — | — | 403 | ♦ Carcinogen |
| Hydrogen fluoride | 1,874 | 1,874 | — | — | 0 | |
| Hydrogen sulfide | 1,539 | 1,539 | — | — | 175 | |
| Naphthalene | 781 | 781 | — | — | 281 | ♦ Carcinogen |
| Styrene | 326 | 326 | — | — | — | ♦ Carcinogen |
| Tetrachloroethylene | 177 | 177 | — | — | 3 | ♦ Carcinogen |
| Polycyclic aromatic compounds | 12 | 12 | — | — | 0 | ♦ Carcinogen |
| Lead compounds | 11 | 11 | — | — | 25 | |
| Mercury compounds | 1 | 1 | — | — | 2 | |
| Cyclohexane | 0 | 0 | — | — | 2 | |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | 862 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyclohexane | — | — | — | — | 1 | |
| Ammonia | 51,691 | 51,691 | — | — | 927 | |
| Hydrogen cyanide | 34,950 | 34,950 | — | — | — | |
| n-Hexane | 20,509 | 20,509 | — | — | — | |
| Xylene (mixed isomers) | 16,914 | 16,914 | — | — | 3,632 | |
| Toluene | 16,236 | 16,236 | — | — | 5,756 | |
| Benzene | 5,220 | 5,220 | — | — | 1,856 | ♦ Carcinogen |
| Ethylene | 4,387 | 4,387 | — | — | — | |
| Ethylbenzene | 4,084 | 4,084 | — | — | 293 | ♦ Carcinogen |
| Propylene | 2,957 | 2,957 | — | — | — | |
| 1,2,4-Trimethylbenzene | 2,589 | 2,589 | — | — | — | |
| Hydrogen sulfide | 1,510 | 1,510 | — | — | 279 | |
| Hydrogen fluoride | 1,313 | 1,313 | — | — | — | |
| Naphthalene | 859 | 859 | — | — | 284 | ♦ Carcinogen |
| Tetrachloroethylene | 177 | 177 | — | — | 2 | ♦ Carcinogen |
| Lead compounds | 38 | 38 | — | — | 14 | |
| Mercury compounds | 15 | 15 | — | — | 0 | |
| Polycyclic aromatic compounds | 2 | 2 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | 498 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyclohexane | — | — | — | — | 12 | |
| Benzene | 4,983 | 4,983 | — | — | 5,222 | ♦ Carcinogen |
| Hydrogen sulfide | 1,394 | 1,394 | — | — | 189 | |
| Mercury compounds | 15 | 15 | — | — | 0 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Molybdenum trioxide | — | — | — | — | 17 | ♦ Carcinogen |
| Ammonia | 53,371 | 53,371 | — | — | 1,100 | |
| Hydrogen cyanide | 35,290 | 35,290 | — | — | — | |
| n-Hexane | 22,265 | 22,265 | — | — | — | |
| Xylene (mixed isomers) | 17,400 | 17,400 | — | — | 1,870 | |
| Toluene | 15,359 | 15,359 | — | — | 2,651 | |
| Ethylene | 9,378 | 9,378 | — | — | — | |
| Propylene | 6,081 | 6,081 | — | — | — | |
| Benzene | 5,683 | 5,683 | — | — | 1,071 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 4,664 | 4,664 | — | — | 2 | |
| Ethylbenzene | 4,116 | 4,116 | — | — | 278 | ♦ Carcinogen |
| Hydrogen sulfide | 2,726 | 2,726 | — | — | 70 | |
| Hydrogen fluoride | 1,328 | 1,328 | — | — | — | |
| Naphthalene | 1,143 | 1,143 | — | — | 496 | ♦ Carcinogen |
| Mercury compounds | 192 | 192 | — | — | 1 | |
| Tetrachloroethylene | 177 | 177 | — | — | 2 | ♦ Carcinogen |
| Lead compounds | 38 | 38 | — | — | 15 | |
| Cyclohexane | 10 | 10 | — | — | 0 | |
| Polycyclic aromatic compounds | 2 | 2 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Molybdenum trioxide | — | — | — | — | 10,941 | ♦ Carcinogen |
| Benzo[g,h,i]perylene | — | — | — | — | — | |
| Polycyclic aromatic compounds | — | — | — | — | — | ♦ Carcinogen |
| Hydrogen cyanide | 58,186 | 58,186 | — | — | — | |
| n-Hexane | 14,444 | 14,444 | — | — | — | |
| Cyclohexane | 6,753 | 6,753 | — | — | 1 | |
| Propylene | 6,081 | 6,081 | — | — | — | |
| Benzene | 3,766 | 3,766 | — | — | 2,342 | ♦ Carcinogen |
| Toluene | 2,883 | 2,883 | — | — | 4,294 | |
| Xylene (mixed isomers) | 2,647 | 2,647 | — | — | 2,765 | |
| Hydrogen sulfide | 2,233 | 2,233 | — | — | 61 | |
| Hydrogen fluoride | 1,234 | 1,234 | — | — | — | |
| Ethylene | 526 | 526 | — | — | — | |
| Ethylbenzene | 297 | 297 | — | — | 244 | ♦ Carcinogen |
| Tetrachloroethylene | 177 | 177 | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 117 | 117 | — | — | — | |
| Naphthalene | 12 | 12 | — | — | 156 | ♦ Carcinogen |
| Lead compounds | 1 | 1 | — | — | 0 | |
| Mercury compounds | 1 | 1 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Molybdenum trioxide | — | — | — | — | 1,324 | ♦ Carcinogen |
| Benzo[g,h,i]perylene | — | — | — | — | — | |
| Polycyclic aromatic compounds | — | — | — | — | — | ♦ Carcinogen |
| Hydrogen cyanide | 53,633 | 53,633 | — | — | — | |
| n-Hexane | 18,446 | 18,446 | — | — | — | |
| Cyclohexane | 6,614 | 6,614 | — | — | 0 | |
| Propylene | 4,336 | 4,336 | — | — | — | |
| Benzene | 3,706 | 3,706 | — | — | 2,491 | ♦ Carcinogen |
| Hydrogen sulfide | 3,223 | 3,223 | — | — | 28 | |
| Toluene | 2,813 | 2,813 | — | — | 4,367 | |
| Xylene (mixed isomers) | 2,629 | 2,629 | — | — | 2,183 | |
| Hydrogen fluoride | 1,177 | 1,177 | — | — | — | |
| Ethylene | 205 | 205 | — | — | — | |
| Tetrachloroethylene | 177 | 177 | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 114 | 114 | — | — | — | |
| Ethylbenzene | 94 | 94 | — | — | 188 | ♦ Carcinogen |
| Naphthalene | 22 | 22 | — | — | 145 | ♦ Carcinogen |
| Lead compounds | 2 | 2 | — | — | 0 | |
| Mercury compounds | 2 | 2 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Molybdenum trioxide | — | — | — | — | 4,482 | ♦ Carcinogen |
| Benzo[g,h,i]perylene | — | — | — | — | — | |
| Polycyclic aromatic compounds | — | — | — | — | — | ♦ Carcinogen |
| Hydrogen cyanide | 27,415 | 27,415 | — | — | — | |
| n-Hexane | 8,755 | 8,755 | — | — | — | |
| Propylene | 3,573 | 3,573 | — | — | — | |
| Hydrogen sulfide | 2,276 | 2,276 | — | — | 34 | |
| Cyclohexane | 2,083 | 2,083 | — | — | 1 | |
| Benzene | 1,447 | 1,447 | — | — | 1,359 | ♦ Carcinogen |
| Hydrogen fluoride | 1,316 | 1,316 | — | — | — | |
| Toluene | 653 | 653 | — | — | 2,131 | |
| Xylene (mixed isomers) | 217 | 217 | — | — | 1,344 | |
| Tetrachloroethylene | 177 | 177 | — | — | — | ♦ Carcinogen |
| Ethylene | 169 | 169 | — | — | — | |
| 1,2,4-Trimethylbenzene | 50 | 50 | — | — | — | |
| Naphthalene | 20 | 20 | — | — | 146 | ♦ Carcinogen |
| Ethylbenzene | 20 | 20 | — | — | 106 | ♦ Carcinogen |
| Lead compounds | 1 | 1 | — | — | 2 | |
| Mercury compounds | 1 | 1 | — | — | 1 |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Naphthalene | — | 894 | — | 335 |
| Propylene | — | — | 72,278,612 | 597,225 |
| 1,2,4-Trimethylbenzene | — | — | — | 202 |
| Toluene | — | 53,018 | — | 44,662 |
| Tetrachloroethylene | — | — | — | 580 |
| Ammonia | — | — | — | 917 |
| n-Hexane | — | 80,687 | — | 375 |
| Ethylbenzene | — | 7,144 | — | 1,448 |
| Cyclohexane | — | — | — | 3 |
| Ethylene | — | — | 8,642,764 | 32,738 |
| Hydrogen sulfide | — | — | — | 1,104,562 |
| Benzene | — | 16,633 | — | 58,369 |
| Xylene (mixed isomers) | — | 57,123 | — | 40,387 |
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
SAFETY-KLEEN SYSTEMS, INC.
SMITHFIELD, KY
|
Xylene (mixed isomers) | — | — | — | 46 |
|
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
|
Lead compounds | 23 | — | — | — |
|
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
|
Lead compounds | 2 | — | — | — |
|
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
|
Lead compounds | 0 | — | — | — |
|
SALT LAKE VALLEY SOLID WASTE MANAGEMENT FACILITY
SALT LAKE CITY, UT
|
Lead compounds | 0 | — | — | — |
|
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
|
Mercury compounds | 0 | — | — | — |
|
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
|
Mercury compounds | 4 | — | — | — |
|
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
|
Mercury compounds | 0 | — | — | — |
|
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
|
Tetrachloroethylene | — | — | — | 399 |
|
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
|
Tetrachloroethylene | — | — | — | 135 |
|
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
|
Tetrachloroethylene | 40 | — | — | — |
|
SAFETY-KLEEN SYSTEMS, INC.
SMITHFIELD, KY
|
Tetrachloroethylene | — | — | — | 46 |
|
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
|
Xylene (mixed isomers) | — | — | — | 399 |
|
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
|
Xylene (mixed isomers) | — | — | — | 135 |
|
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
|
1,2,4-Trimethylbenzene | — | — | — | 0 |
|
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
|
Xylene (mixed isomers) | 40 | — | — | — |
|
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
|
Toluene | — | — | — | 39 |
|
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
|
Toluene | — | — | — | 32 |
|
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
|
Toluene | 40 | — | — | — |
|
SAFETY-KLEEN SYSTEMS, INC.
SMITHFIELD, KY
|
Toluene | — | — | — | 46 |
|
ABINGTON RELDAN METALS LLC
FAIRLESS HILLS, PA
|
Benzene | — | — | — | 14 |
|
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
|
Benzene | — | — | — | 5 |
|
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
|
Benzene | 1 | — | — | — |
|
SAFETY-KLEEN SYSTEMS, INC.
SMITHFIELD, KY
|
Benzene | — | — | — | 0 |
|
CATALYST RECOVERY OF LA, LLC
LAFAYETTE, LA
|
Benzene | — | — | — | 51 |
|
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
|
Benzene | — | — | — | 2 |
|
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
|
Naphthalene | — | — | — | 167 |
|
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
|
Naphthalene | — | — | — | 22 |
|
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
|
Naphthalene | 1 | — | — | — |
|
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
|
Cyclohexane | — | — | — | 2 |
|
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
|
Cyclohexane | — | — | — | 0 |
|
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
|
Cyclohexane | 0 | — | — | — |
|
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
|
Ethylbenzene | — | — | — | 31 |
|
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
|
Ethylbenzene | — | — | — | 21 |
|
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
|
Ethylbenzene | 6 | — | — | — |
|
SAFETY-KLEEN SYSTEMS, INC.
SMITHFIELD, KY
|
Ethylbenzene | — | — | — | 7 |
Transfers to Publicly-Owned Treatment Works (POTWs)
Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.
| Chemical | Transferred (lbs) | POTW |
|---|---|---|
| Xylene (mixed isomers) | 2,109 | SOUTH DAVIS SEWER DISTRICT-NORTH PLANT, WEST BOUNTIFUL |
| Ethylbenzene | 10 | SOUTH DAVIS SEWER DISTRICT-NORTH PLANT, WEST BOUNTIFUL |
| Benzene | 2,369 | SOUTH DAVIS SEWER DISTRICT-NORTH PLANT, WEST BOUNTIFUL |
| Toluene | 234 | SOUTH DAVIS SEWER DISTRICT-NORTH PLANT, WEST BOUNTIFUL |
| Naphthalene | 128 | SOUTH DAVIS SEWER DISTRICT-NORTH PLANT, WEST BOUNTIFUL |
| Ammonia | 1,529 | SOUTH DAVIS SEWER DISTRICT-NORTH PLANT, WEST BOUNTIFUL |
| Hydrogen sulfide | 241 | SOUTH DAVIS SEWER DISTRICT-NORTH PLANT, WEST BOUNTIFUL |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| caa | HPV | Jul 19, 2024 | Oct 1, 2025 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jul 7, 2021 | Jul 2, 2024 | Resolved |
| rcra | Violation of a permit condition or requirement | Jul 7, 2021 | Jul 2, 2024 | Resolved |
| rcra | Standards Applicable to Generators of HW: Preparedness. Prevention, and Emergency Procedures for LQGs | Jul 7, 2021 | Jul 2, 2024 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Jul 7, 2021 | Jul 2, 2024 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | May 31, 2011 | Jul 12, 2011 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | May 31, 2011 | Jul 12, 2011 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | Apr 12, 2011 | May 31, 2011 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Mar 18, 2011 | May 31, 2011 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring | Jul 9, 2004 | Jul 27, 2004 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | May 16, 2003 | Jun 16, 2003 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Nov 17, 1992 | Dec 4, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Nov 17, 1992 | Dec 4, 1992 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Nov 17, 1992 | Dec 4, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | May 29, 1992 | Jul 6, 1992 | Resolved |
| rcra | Land Disposal Restrictions: General | May 29, 1992 | Jul 6, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Preparedness and Prevention | May 29, 1992 | Jul 6, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Manifest System, Recordkeeping and Reporting | May 29, 1992 | Jul 6, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | May 29, 1992 | Jul 6, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Sep 5, 1991 | Nov 16, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Nov 8, 1990 | Nov 21, 1990 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Nov 1, 1990 | Oct 24, 1991 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Aug 8, 1990 | Oct 24, 1991 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Aug 8, 1990 | Nov 14, 1990 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Dec 20, 1989 | — | Open |
| rcra | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | Aug 22, 1989 | Apr 25, 1990 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Aug 22, 1989 | Apr 25, 1990 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring | Jun 9, 1989 | Sep 9, 1989 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Jun 9, 1989 | May 24, 1990 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Feb 10, 1989 | Aug 31, 1989 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring | Jun 3, 1988 | Aug 31, 1988 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Jun 3, 1988 | Aug 31, 1988 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | May 28, 1987 | Aug 12, 1987 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring | Mar 6, 1985 | Oct 30, 1985 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Mar 6, 1985 | Oct 30, 1985 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Ground-Water Monitoring | Jan 10, 1985 | Oct 30, 1985 | Resolved |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Flow, total | DMR, Limited - Numeric Violation | 0.17 MGD | 0.12 | +43% | Jun 2025 | Open |
| Flow, total | DMR, Limited - Numeric Violation | 0.16 MGD | 0.12 | +29% | May 2025 | Open |
| Flow, total | DMR, Limited - Numeric Violation | 0.13 MGD | 0.12 | +6% | Apr 2025 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 32.00 mg/L | 10.00 | +220% | Jul 2024 | Open |
| Flow, total | DMR, Limited - Numeric Violation | 0.13 MGD | 0.12 | +5% | Mar 2024 | Open |
| Flow, total | DMR, Limited - Numeric Violation | 0.15 MGD | 0.12 | +21% | Oct 2023 | Open |
| Flow, total | DMR, Limited - Numeric Violation | 0.15 MGD | 0.12 | +23% | Sep 2023 | Open |
| Flow, total | DMR, Limited - Numeric Violation | 0.15 MGD | 0.12 | +24% | Aug 2023 | Open |
| Flow, total | DMR, Limited - Numeric Violation | 0.16 MGD | 0.12 | +31% | Jul 2023 | Open |
| Flow, total | DMR, Limited - Numeric Violation | 0.15 MGD | 0.12 | +22% | Jun 2023 | Open |
| Flow, total | DMR, Limited - Numeric Violation | 0.14 MGD | 0.12 | +20% | May 2023 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.