EmissionsLookup
Non-Compliance TRI Reporter Clean Air Act Clean Water Act RCRA

TESORO ALASKA PETROLEUM CO

Quick Summary

  • Released 37,532 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 $0 in total penalties since records began.
  • Reports releases of chemicals classified as known or probable carcinogens.
Address
54741 TESORO ROAD
KENAI, AK 99611
View on map ↗
County
KENAI PENINSULA BOROUGH County
Industry
Manufacturing
NAICS (North American Industry Classification)
324110
Inspections
9 · last Aug 25, 2025
Total Penalties
$0 · last May 15, 2019
Registry ID
110017413299

How This Compares

#12 of 51 TRI reporters in AK
#1,983 of 16,877 TRI reporters in Manufacturing

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.

12
Air (CAA)
Qtrs Non-Compliant
12
Water (CWA)
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
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.

Emissions Trend (2015–2024) +6% overall
Year Total Releases (lbs) vs Prior Year
2015 42,628
2016 39,361 -8%
2017 37,532 -5%
2018 42,298 +13%
2019 47,793 +13%
2020 47,367 -1%
2021 40,341 -15%
2022 47,014 +17%
2023 43,012 -9%
2024 45,097 +5%

2024

Chemical Total (lbs) Air Water Land Off-Site
n-Hexane 21,831 21,800 31 133
Xylene (mixed isomers) 4,978 4,900 2 76 417
Toluene 4,872 4,800 1 71 389
Hydrogen sulfide 3,241 3,240 1
Benzene 3,212 3,200 12 177 ♦ Carcinogen
Cyclohexane 2,492 2,460 32 44
Ammonia 1,244 144 1,100
1,2,4-Trimethylbenzene 1,166 1,130 36 153
Ethylbenzene 937 920 1 16 94 ♦ Carcinogen
Carbonyl sulfide 630 630
Cumene 209 208 1 116 ♦ Carcinogen
Naphthalene 190 187 3 35 ♦ Carcinogen
Polycyclic aromatic compounds 47 20 27 0 8 ♦ Carcinogen
Methanol 27 27 35
Mercury compounds 11 11 0 1
Lead compounds 7 5 3 1
Benzo[g,h,i]perylene 3 1 2 2

2023

Chemical Total (lbs) Air Water Land Off-Site
Molybdenum trioxide 47,140 ♦ Carcinogen
n-Hexane 19,219 19,200 19 18
Toluene 4,720 4,700 20 136
Xylene (mixed isomers) 4,326 4,300 1 25 19
Hydrogen sulfide 3,504 3,500 4 1
Benzene 3,235 3,230 5 671 ♦ Carcinogen
Cyclohexane 2,527 2,510 17 31
Ammonia 2,214 214 2,000
1,2,4-Trimethylbenzene 1,132 1,120 12 245
Ethylbenzene 764 760 4 560 ♦ Carcinogen
Carbonyl sulfide 570 570
Cumene 193 192 1 205 ♦ Carcinogen
Naphthalene 193 188 5 ♦ Carcinogen
Nickel compounds 170 170 41,028 ♦ Carcinogen
Methanol 170 170 190
Polycyclic aromatic compounds 50 24 26 0 14 ♦ Carcinogen
Mercury compounds 16 15 0 9
Lead compounds 7 4 3 1
Benzo[g,h,i]perylene 3 1 2 0

2022

Chemical Total (lbs) Air Water Land Off-Site
Molybdenum trioxide ♦ Carcinogen
n-Hexane 20,316 20,300 16 7
Toluene 5,410 5,400 10 68
Xylene (mixed isomers) 5,017 5,000 1 16 282
Hydrogen sulfide 3,950 3,950
Benzene 3,404 3,400 4 222 ♦ Carcinogen
Cyclohexane 3,016 3,000 16
Ammonia 2,516 1,676 840
1,2,4-Trimethylbenzene 1,221 1,210 11 2
Ethylbenzene 942 940 2 18 ♦ Carcinogen
Carbonyl sulfide 570 570
Naphthalene 230 228 1 1 ♦ Carcinogen
Cumene 211 210 1 1 ♦ Carcinogen
Methanol 160 160 470
Polycyclic aromatic compounds 28 23 3 2 324 ♦ Carcinogen
Mercury compounds 16 16 11
Lead compounds 7 4 3 1
Benzo[g,h,i]perylene 1 1 0

2021

Chemical Total (lbs) Air Water Land Off-Site
n-Hexane 17,316 17,300 16 34
Xylene (mixed isomers) 4,517 4,500 1 16 127
Toluene 4,509 4,500 9 46
Hydrogen sulfide 2,952 2,950 2 2
Benzene 2,904 2,900 4 441 ♦ Carcinogen
Cyclohexane 2,596 2,580 16 31
Ammonia 2,540 1,660 880
1,2,4-Trimethylbenzene 1,001 990 11 664
Ethylbenzene 782 780 2 14 ♦ Carcinogen
Carbonyl sulfide 620 620
Naphthalene 234 232 1 1 26 ♦ Carcinogen
Cumene 200 199 1 4 ♦ Carcinogen
Methanol 120 120
Polycyclic aromatic compounds 28 24 2 2 0 ♦ Carcinogen
Mercury compounds 14 14 0 1
Lead compounds 7 4 2 2
Benzo[g,h,i]perylene 1 1 0 0 0

2020

Chemical Total (lbs) Air Water Land Off-Site
Molybdenum trioxide 3,320 ♦ Carcinogen
n-Hexane 17,320 17,300 20 157
Toluene 7,431 7,400 31 281
Hydrogen sulfide 6,102 6,100 2 31
Xylene (mixed isomers) 4,636 4,600 1 35 443
Benzene 3,107 3,100 7 219 ♦ Carcinogen
Cyclohexane 2,827 2,810 17 169
Ammonia 2,410 1,660 750
1,2,4-Trimethylbenzene 1,104 1,090 14 575
Ethylbenzene 846 840 6 156 ♦ Carcinogen
Carbonyl sulfide 440 440
Cumene 332 331 1 48 ♦ Carcinogen
Polycyclic aromatic compounds 263 259 2 2 0 ♦ Carcinogen
Naphthalene 244 241 1 2 308 ♦ Carcinogen
Nickel compounds 160 160 7,604 ♦ Carcinogen
Methanol 120 120 106
Mercury compounds 14 14 0 2
Lead compounds 10 3 2 4 6
Benzo[g,h,i]perylene 1 1 0 0 1

2019

Chemical Total (lbs) Air Water Land Off-Site
n-Hexane 19,793 19,777 16 921
Toluene 6,278 6,268 0 10 915
Hydrogen sulfide 4,932 4,929 3
Xylene (mixed isomers) 3,699 3,682 1 16 1,269
Cyclohexane 3,602 3,586 16 768
Benzene 2,925 2,921 0 5 326 ♦ Carcinogen
Ammonia 2,879 1,416 1,463
1,2,4-Trimethylbenzene 1,046 1,042 0 4 1,373
Propylene 932 932
Ethylbenzene 698 695 0 3 1,186 ♦ Carcinogen
Carbonyl sulfide 562 562
Naphthalene 256 253 1 2 2,074 ♦ Carcinogen
Methanol 145 145
Polycyclic aromatic compounds 29 15 3 12 10 ♦ Carcinogen
Mercury compounds 16 15 0 0 2,295
Benzo[g,h,i]perylene 1 0 1 3
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen

2018

Chemical Total (lbs) Air Water Land Off-Site
Aluminum oxide (fibrous forms) 23,531
Molybdenum trioxide 397,307 ♦ Carcinogen
n-Hexane 18,200 18,184 16 79
Hydrogen sulfide 4,513 4,508 5
Toluene 4,364 4,354 0 10 214
Xylene (mixed isomers) 3,239 3,222 1 16 721
Cyclohexane 2,912 2,896 16 144
Benzene 2,569 2,563 0 6 16 ♦ Carcinogen
Ammonia 2,454 974 1,480
1,2,4-Trimethylbenzene 1,008 1,004 0 4 962
Propylene 924 924
Carbonyl sulfide 730 730
Ethylbenzene 569 566 0 3 121 ♦ Carcinogen
Naphthalene 252 250 1 2 438 ♦ Carcinogen
Cumene 201 201 0 86 ♦ Carcinogen
Nickel compounds 162 162 21,500 ♦ Carcinogen
Methanol 145 145 2,958
Polycyclic aromatic compounds 28 14 2 12 3 ♦ Carcinogen
Mercury compounds 15 15 0 4
Lead compounds 11 3 2 5 12
Benzo[g,h,i]perylene 1 0 0 1 1
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen

2017

Chemical Total (lbs) Air Water Land Off-Site
n-Hexane 17,609 17,593 16 151
Toluene 3,175 3,165 0 10 1,186
Xylene (mixed isomers) 3,149 3,131 2 17 939
Cyclohexane 2,665 2,649 16 216
Ammonia 2,503 950 1,553
Hydrogen sulfide 2,319 2,317 2 3
Benzene 2,254 2,249 0 5 39 ♦ Carcinogen
Propylene 972 972
1,2,4-Trimethylbenzene 932 929 0 3 1,186
Carbonyl sulfide 750 750
Ethylbenzene 545 542 0 3 171 ♦ Carcinogen
Naphthalene 224 222 1 1 529 ♦ Carcinogen
Methanol 193 193 1,165
Cumene 185 185 101 ♦ Carcinogen
Polycyclic aromatic compounds 29 14 3 12 25 ♦ Carcinogen
Mercury compounds 15 14 0 3
Lead compounds 14 4 3 7 8
Benzo[g,h,i]perylene 1 0 0 1 2
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen

2016

Chemical Total (lbs) Air Water Land Off-Site
Benzo[g,h,i]perylene 1
Molybdenum trioxide 809 ♦ Carcinogen
Diethanolamine 6,189
Aluminum oxide (fibrous forms) 255
n-Hexane 17,401 17,400 1 32
Hydrogen sulfide 4,434 4,400 34 42
Benzene 3,031 3,030 1 4 ♦ Carcinogen
Toluene 2,950 2,950 118
Cyclohexane 2,840 2,840 72
Xylene (mixed isomers) 2,432 2,430 1 1 474
Ammonia 2,403 1,044 1,359
1,2,4-Trimethylbenzene 990 990 567
Propylene 884 884
Ethylbenzene 530 530 78 ♦ Carcinogen
Carbonyl sulfide 490 490
Methanol 420 420
Naphthalene 175 174 1 257 ♦ Carcinogen
Nickel compounds 160 160 283 ♦ Carcinogen
Cumene 143 143 65 ♦ Carcinogen
Polycyclic aromatic compounds 27 13 2 12 22 ♦ Carcinogen
Ethylene 26 26
Mercury compounds 14 14 5
Lead compounds 11 3 2 6 15
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen

2015

Chemical Total (lbs) Air Water Land Off-Site
Benzo[g,h,i]perylene
n-Hexane 18,628 18,621 6 1 26
Hydrogen sulfide 4,196 4,100 30 66 1
Toluene 3,806 3,805 1 75
Benzene 3,764 3,761 2 1 5 ♦ Carcinogen
Cyclohexane 3,126 3,122 4 49
Xylene (mixed isomers) 2,936 2,930 4 2 300
Ammonia 2,493 1,269 1,224
Propylene 1,008 1,008
1,2,4-Trimethylbenzene 831 831 350
Carbonyl sulfide 590 590
Ethylbenzene 482 479 3 50 ♦ Carcinogen
Methanol 220 220
Carbon disulfide 200 200
Cumene 144 144 29 ♦ Carcinogen
Naphthalene 144 143 1 160 ♦ Carcinogen
Polycyclic aromatic compounds 25 17 5 3 18 ♦ Carcinogen
Lead compounds 18 5 5 8 8
Mercury compounds 17 16 1 3

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
Hydrogen sulfide 4,000
Ammonia 2,200
Toluene 313
Carbonyl sulfide 9
n-Hexane 181
Polycyclic aromatic compounds 0
Benzene 337
Ethylbenzene 18
Naphthalene 13
1,2,4-Trimethylbenzene 5
Cyclohexane 29
Xylene (mixed isomers) 75
Cumene 11

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
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
Cumene 64
NRC ALASKA -MOOSE CREEK FACILITY
NORTH POLE, AK
Cyclohexane
NRC ALASKA, LLC.
KENAI, AK
Cyclohexane 20
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
Cyclohexane 24
NRC ALASKA -MOOSE CREEK FACILITY
NORTH POLE, AK
n-Hexane 1
NRC ALASKA, LLC.
KENAI, AK
n-Hexane 58
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
n-Hexane 74
NRC ALASKA -MOOSE CREEK FACILITY
NORTH POLE, AK
Toluene 2
NRC ALASKA, LLC.
KENAI, AK
Toluene 160
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
Toluene 16
CALGON CARBON CORPORATION
CATLETTSBURG, KY
Toluene 1
KENAI PENINSULA BOROUGH SOLDOTNA LDFL
SOLDOTNA, AK
Toluene
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
Toluene 210
KENAI PENINSULA BOROUGH SOLDOTNA LDFL
SOLDOTNA, AK
Xylene (mixed isomers)
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
Xylene (mixed isomers) 220
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
Xylene (mixed isomers) 17
CALGON CARBON CORPORATION
CATLETTSBURG, KY
Xylene (mixed isomers) 1
NRC ALASKA -MOOSE CREEK FACILITY
NORTH POLE, AK
Xylene (mixed isomers) 9
NRC ALASKA, LLC.
KENAI, AK
Xylene (mixed isomers) 170
NRC ALASKA -MOOSE CREEK FACILITY
NORTH POLE, AK
Polycyclic aromatic compounds 0
NRC ALASKA, LLC.
KENAI, AK
Polycyclic aromatic compounds 5
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
Polycyclic aromatic compounds 2
KENAI PENINSULA BOROUGH SOLDOTNA LDFL
SOLDOTNA, AK
1,2,4-Trimethylbenzene
NRC ALASKA, LLC.
KENAI, AK
1,2,4-Trimethylbenzene 67
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
1,2,4-Trimethylbenzene 81
NRC ALASKA -MOOSE CREEK FACILITY
NORTH POLE, AK
1,2,4-Trimethylbenzene 5
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
Methanol 35
KENAI PENINSULA BOROUGH SOLDOTNA LDFL
SOLDOTNA, AK
Naphthalene
NRC ALASKA -MOOSE CREEK FACILITY
NORTH POLE, AK
Naphthalene 13
NRC ALASKA, LLC.
KENAI, AK
Naphthalene 8
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
Naphthalene 14
KENAI PENINSULA BOROUGH SOLDOTNA LDFL
SOLDOTNA, AK
Benzo[g,h,i]perylene
NRC ALASKA -MOOSE CREEK FACILITY
NORTH POLE, AK
Benzo[g,h,i]perylene
NRC ALASKA, LLC.
KENAI, AK
Benzo[g,h,i]perylene 2
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
Benzo[g,h,i]perylene 1
NRC ALASKA, LLC.
KENAI, AK
Hydrogen sulfide
CALGON CARBON CORPORATION
CATLETTSBURG, KY
Lead compounds
KENAI PENINSULA BOROUGH SOLDOTNA LDFL
SOLDOTNA, AK
Lead compounds 0
NRC ALASKA -MOOSE CREEK FACILITY
NORTH POLE, AK
Lead compounds 0
NRC ALASKA, LLC.
KENAI, AK
Lead compounds 0
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
Lead compounds 0
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
Lead compounds 0
CALGON CARBON CORPORATION
CATLETTSBURG, KY
Ethylbenzene
KENAI PENINSULA BOROUGH SOLDOTNA LDFL
SOLDOTNA, AK
Ethylbenzene
NRC ALASKA -MOOSE CREEK FACILITY
NORTH POLE, AK
Ethylbenzene 2
NRC ALASKA, LLC.
KENAI, AK
Ethylbenzene 39
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
Ethylbenzene 49
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
Ethylbenzene 4
CALGON CARBON CORPORATION
CATLETTSBURG, KY
Mercury compounds
KENAI PENINSULA BOROUGH SOLDOTNA LDFL
SOLDOTNA, AK
Mercury compounds
NRC ALASKA -MOOSE CREEK FACILITY
NORTH POLE, AK
Mercury compounds 0
NRC ALASKA, LLC.
KENAI, AK
Mercury compounds
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
Mercury compounds
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
Mercury compounds 1
CALGON CARBON CORPORATION
CATLETTSBURG, KY
Benzene 1
KENAI PENINSULA BOROUGH SOLDOTNA LDFL
SOLDOTNA, AK
Benzene
NRC ALASKA -MOOSE CREEK FACILITY
NORTH POLE, AK
Benzene 26
NRC ALASKA, LLC.
KENAI, AK
Benzene 62
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
Benzene 80
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
Benzene 8
KENAI PENINSULA BOROUGH SOLDOTNA LDFL
SOLDOTNA, AK
Cumene
NRC ALASKA -MOOSE CREEK FACILITY
NORTH POLE, AK
Cumene 2
KENAI PENINSULA BOROUGH SOLDOTNA LDFL
SOLDOTNA, AK
Polycyclic aromatic compounds 0
NRC ALASKA, LLC.
KENAI, AK
Cumene 50

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 FRV Feb 13, 2026 Open
caa FRV Dec 16, 2025 Open
caa FRV Nov 13, 2025 Open
caa FRV Oct 15, 2025 Open
caa FRV Jul 8, 2025 Open
caa FRV Jul 1, 2025 Open
caa FRV Apr 2, 2025 Open
caa FRV Apr 1, 2025 Open
caa FRV Mar 26, 2025 Open
caa FRV Feb 24, 2025 Open
caa FRV Dec 10, 2024 Open
caa FRV Sep 6, 2024 Open
caa FRV Aug 16, 2024 Open
cwa Other noncompliance related to industrial stormwater discharges Mar 7, 2024 Open
caa FRV Jan 29, 2024 Open
cwa Failure to comply with industrial stormwater requirement - numeric or narrative effluent violation Jan 29, 2024 Open
caa FRV Jan 8, 2024 Open
cwa Effluent Violations - Unapproved Bypass Aug 29, 2023 Open
cwa Monitoring Violations - Frequency of Sampling Violation Jul 7, 2023 Open
caa FRV Apr 15, 2023 Open
rcra Land Disposal Restrictions: General Feb 16, 2023 Mar 8, 2023 Resolved
rcra Land Disposal Restrictions: Prohibitions on Land Disposal Feb 16, 2023 Mar 8, 2023 Resolved
rcra EPA Administered Permit Programs: the HW Permit Program General Information Feb 16, 2023 Mar 8, 2023 Resolved
rcra Standards Applicable to Generators of HW: General Feb 16, 2023 Mar 8, 2023 Resolved
caa FRV Jul 14, 2022 Open
caa FRV Jun 29, 2022 Open
caa FRV Oct 21, 2021 Open
caa FRV Oct 21, 2021 Open
caa FRV Oct 20, 2021 Open
caa FRV Oct 15, 2021 Open
caa FRV Jan 20, 2021 Open
caa FRV Jan 20, 2021 Open
caa FRV Dec 24, 2020 Open
caa FRV Feb 3, 2020 Open
cwa Schedule Event unachieved and not reported Jan 31, 2020 Mar 2, 2020 Resolved
cwa Schedule Event unachieved and not reported Jan 31, 2020 Mar 2, 2020 Resolved
caa FRV Jan 21, 2020 Open
caa FRV May 10, 2019 Open
caa FRV Jan 16, 2019 Open
caa FRV Nov 7, 2018 Open
caa FRV Nov 2, 2018 Open
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Jul 26, 2018 May 15, 2019 Resolved
rcra Standards Applicable to Generators of HW: General Jul 26, 2018 May 15, 2019 Resolved
caa FRV Jul 2, 2018 Open
caa FRV May 11, 2018 Open
caa FRV Mar 23, 2018 Open
caa FRV Mar 23, 2018 Open
caa FRV Mar 23, 2018 Open
caa FRV Mar 14, 2018 Open
caa FRV Mar 6, 2018 Open

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
Phenolics, total recoverable DMR, Limited - Numeric Violation 0.30 kg/d 0.28 +8% Jan 2026 Open
Copper, total recoverable DMR, Limited - Numeric Violation 0.15 mg/L 0.07 +105% May 2025 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 184.23 kg/d 142.56 +29% May 2025 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 161.36 kg/d 142.56 +13% Feb 2022 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 110.81 kg/d 76.27 +45% Feb 2022 Resolved
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 110.28 kg/d 76.27 +45% Jan 2022 Resolved
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 82.89 kg/d 76.27 +9% Dec 2021 Resolved
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 79.74 kg/d 76.27 +5% Apr 2021 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 160.86 kg/d 76.27 +111% Sep 2020 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 319.16 kg/d 142.56 +124% Sep 2020 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 153.00 kg/d 76.27 +101% Jan 2020 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 194.77 kg/d 142.56 +37% Jan 2020 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 79.27 kg/d 76.27 +4% Dec 2019 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 82.58 kg/d 76.27 +8% Oct 2019 Open
Oil and grease DMR, Limited - Numeric Violation 63.15 kg/d 30.42 +108% May 2018 Open
Oil and grease DMR, Limited - Numeric Violation 33.63 kg/d 17.25 +95% May 2018 Open
Chromium, hexavalent [as Cr] DMR, Limited - Numeric Violation 0.06 kg/d 0.05 +24% Jan 2018 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 250.61 kg/d 78.54 +219% May 2016 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 564.78 kg/d 142.56 +296% May 2016 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 204.75 kg/d 142.56 +44% Apr 2016 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.

Warning Letter
Clean Air Act · Case 3604860097 · Feb 17, 2026
Warning Letter
Clean Air Act · Case 3604700078 · Dec 23, 2025
Warning Letter
Clean Air Act · Case 3604665656 · Nov 14, 2025
Warning Letter
Clean Air Act · Case 3604613106 · Oct 16, 2025
Warning Letter
Clean Air Act · Case 3604613108 · Oct 15, 2025
Warning Letter
Clean Air Act · Case 3604458504 · Jul 2, 2025
Warning Letter
Clean Air Act · Case 3604358542 · Apr 3, 2025
Warning Letter
Clean Air Act · Case 3604310973 · Feb 27, 2025
Warning Letter
Clean Air Act · Case 3604197837 · Dec 11, 2024
Warning Letter
Clean Air Act · Case 3604167824 · Oct 15, 2024
Warning Letter
Clean Air Act · Case 3604197838 · Sep 23, 2024
Warning Letter
Clean Air Act · Case 3604110714 · Sep 23, 2024
Warning Letter
Clean Air Act · Case 3604097585 · Sep 6, 2024
Warning Letter
Clean Air Act · Case 3604071775 · Aug 19, 2024
Administrative - Formal
· Case 10-2019-0058 · May 15, 2019
$9,000
NO VIOLATIONS FOUND LETTER
RCRA (Hazardous Waste) · Case RCRA-AKD048679682-002 · May 15, 2019
$9,000
Warning Letter
Clean Air Act · Case 3601436707 · Apr 24, 2018
Warning Letter
Clean Air Act · Case 3601888108 · Mar 20, 2018
Warning Letter
Clean Air Act · Case 3601888105 · Mar 20, 2018
Warning Letter
Clean Air Act · Case 3601888109 · Mar 20, 2018

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