FORT KNOX MINE
Quick Summary
- •Released 20,823,728 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 $550,000 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
1 FORT KNOX RD
FAIRBANKS, AK 99712
View on map ↗ - County
- FAIRBANKS NORTH STAR County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 212220
- Inspections
- 4 · last Sep 30, 2025
- Total Penalties
- $550,000 · last Feb 25, 2025
- Registry ID
- 110003037883
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 | 19,600,835 | — |
| 2016 | 23,292,803 | +19% |
| 2017 | 20,823,728 | -11% |
| 2018 | 19,530,487 | -6% |
| 2019 | 445,691 | -98% |
| 2020 | 15,923,815 | +3473% |
| 2021 | 14,544,537 | -9% |
| 2022 | 16,637,032 | +14% |
| 2023 | 17,916,257 | +8% |
| 2024 | 17,565,670 | -2% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 6,509,138 | 38 | — | 6,509,100 | 15 | |
| Arsenic compounds | 3,500,016 | 16 | — | 3,500,000 | 2 | ♦ Carcinogen |
| Copper compounds | 2,303,317 | 17 | — | 2,303,300 | 17 | |
| Lead compounds | 1,724,616 | 108 | — | 1,724,508 | 2 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 970,148 | 28 | — | 970,120 | 2 | |
| Zinc compounds | 720,029 | 29 | — | 720,000 | 74 | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 562,600 | — | — | 562,600 | — | |
| Vanadium compounds | 460,000 | — | — | 460,000 | 1 | |
| Cobalt compounds | 320,000 | — | — | 320,000 | 1 | ♦ Carcinogen |
| Nickel compounds | 260,024 | 24 | — | 260,000 | 98 | ♦ Carcinogen |
| Cyanide compounds | 98,000 | — | — | 98,000 | — | |
| Thallium compounds | 66,000 | — | — | 66,000 | — | |
| Selenium compounds | 42,039 | 39 | — | 42,000 | 6 | |
| Beryllium compounds | 11,008 | 8 | — | 11,000 | — | ♦ Carcinogen |
| Hydrogen cyanide | 7,704 | 7,704 | — | — | — | |
| Cadmium compounds | 5,309 | 9 | — | 5,300 | 1 | ♦ Carcinogen |
| Ammonia | 4,063 | 4,000 | — | 63 | — | |
| Mercury compounds | 1,643 | 8 | — | 1,635 | 1 | |
| Polycyclic aromatic compounds | 17 | 17 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 8,811,050 | 50 | — | 8,811,000 | 3 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1,700,156 | 36 | — | 1,700,120 | 1 | |
| Arsenic compounds | 1,500,017 | 17 | — | 1,500,000 | 1 | ♦ Carcinogen |
| Lead compounds | 1,335,291 | 114 | — | 1,335,178 | 1 | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1,202,400 | — | — | 1,202,400 | — | |
| Zinc compounds | 970,043 | 43 | — | 970,000 | 12 | |
| Vanadium compounds | 970,000 | — | — | 970,000 | 0 | |
| Nickel compounds | 590,030 | 30 | — | 590,000 | 16 | ♦ Carcinogen |
| Copper compounds | 303,816 | 16 | — | 303,800 | 3 | |
| Cobalt compounds | 180,001 | 1 | — | 180,000 | 0 | ♦ Carcinogen |
| Cyanide compounds | 130,000 | — | — | 130,000 | — | |
| Thallium compounds | 90,000 | — | — | 90,000 | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 59,000 | — | — | 59,000 | 1 | |
| Selenium compounds | 45,038 | 38 | — | 45,000 | 1 | |
| Beryllium compounds | 9,008 | 8 | — | 9,000 | — | ♦ Carcinogen |
| Hydrogen cyanide | 8,204 | 8,204 | — | — | — | |
| Cadmium compounds | 7,209 | 9 | — | 7,200 | 0 | ♦ Carcinogen |
| Ammonia | 4,160 | 4,100 | — | 60 | — | |
| Mercury compounds | 817 | 8 | — | 809 | 0 | |
| Polycyclic aromatic compounds | 17 | 17 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 8,400,321 | 61 | — | 8,400,260 | 1 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 2,200,142 | 42 | — | 2,200,100 | 1 | |
| Vanadium compounds | 1,100,000 | — | — | 1,100,000 | — | |
| Arsenic compounds | 1,000,017 | 17 | — | 1,000,000 | — | ♦ Carcinogen |
| Lead compounds | 995,878 | 107 | — | 995,770 | 1 | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 902,400 | — | — | 902,400 | — | |
| Zinc compounds | 740,054 | 54 | — | 740,000 | — | |
| Nickel compounds | 540,034 | 34 | — | 540,000 | — | ♦ Carcinogen |
| Copper compounds | 330,018 | 18 | — | 330,000 | — | |
| Cobalt compounds | 190,001 | 1 | — | 190,000 | — | ♦ Carcinogen |
| Cyanide compounds | 160,000 | — | — | 160,000 | — | |
| Selenium compounds | 50,039 | 39 | — | 50,000 | — | |
| Beryllium compounds | 15,008 | 8 | — | 15,000 | — | ♦ Carcinogen |
| Hydrogen cyanide | 8,604 | 8,604 | — | — | — | |
| Ammonia | 3,360 | 3,300 | — | 60 | — | |
| Mercury compounds | 1,138 | 8 | — | 1,130 | 0 | |
| Polycyclic aromatic compounds | 18 | 18 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 8,200,312 | 52 | — | 8,200,260 | 1 | |
| Lead compounds | 1,944,785 | 91 | — | 1,944,693 | 1 | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1,202,300 | — | — | 1,202,300 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1,000,135 | 37 | — | 1,000,098 | 2 | |
| Zinc compounds | 780,043 | 43 | — | 780,000 | — | |
| Vanadium compounds | 580,000 | — | — | 580,000 | — | |
| Arsenic compounds | 370,018 | 18 | — | 370,000 | 1 | ♦ Carcinogen |
| Cyanide compounds | 180,000 | — | — | 180,000 | — | |
| Beryllium compounds | 73,008 | 8 | — | 73,000 | — | ♦ Carcinogen |
| Copper compounds | 68,016 | 16 | — | 68,000 | — | |
| Cobalt compounds | 57,001 | 1 | — | 57,000 | — | ♦ Carcinogen |
| Nickel compounds | 41,031 | 31 | — | 41,000 | — | ♦ Carcinogen |
| Selenium compounds | 18,038 | 38 | — | 18,000 | — | |
| Thallium compounds | 16,000 | — | — | 16,000 | — | |
| Hydrogen cyanide | 7,104 | 7,104 | — | — | — | |
| Ammonia | 3,756 | 3,700 | — | 56 | — | |
| Mercury compounds | 2,755 | 8 | — | 2,747 | 0 | |
| n-Hexane | 218 | 218 | — | — | — | |
| Polycyclic aromatic compounds | 17 | 17 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 9,400,308 | 58 | — | 9,400,250 | 4 | |
| Lead compounds | 1,854,281 | 67 | — | 1,854,214 | 1 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1,200,101 | 38 | — | 1,200,063 | 3 | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 992,200 | — | — | 992,200 | — | |
| Zinc compounds | 890,050 | 50 | — | 890,000 | 15 | |
| Vanadium compounds | 660,000 | — | — | 660,000 | 0 | |
| Arsenic compounds | 420,017 | 17 | — | 420,000 | 2 | ♦ Carcinogen |
| Cyanide compounds | 230,000 | — | — | 230,000 | — | |
| Beryllium compounds | 83,007 | 7 | — | 83,000 | — | ♦ Carcinogen |
| Cobalt compounds | 65,001 | 1 | — | 65,000 | 0 | ♦ Carcinogen |
| Nickel compounds | 46,032 | 32 | — | 46,000 | 20 | ♦ Carcinogen |
| Copper compounds | 31,078 | 16 | — | 31,062 | 4 | |
| Selenium compounds | 20,034 | 34 | — | 20,000 | 1 | |
| Thallium compounds | 19,000 | — | — | 19,000 | — | |
| Hydrogen cyanide | 6,503 | 6,503 | — | — | — | |
| Mercury compounds | 3,147 | 8 | — | 3,139 | 0 | |
| Ammonia | 2,654 | 2,600 | — | 54 | — | |
| n-Hexane | 386 | 386 | — | — | — | |
| Polycyclic aromatic compounds | 15 | 15 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Arsenic compounds | 370,016 | 16 | — | 370,000 | 2 | ♦ Carcinogen |
| Beryllium compounds | 73,007 | 7 | — | 73,000 | — | ♦ Carcinogen |
| Mercury compounds | 2,228 | 7 | — | 2,221 | 0 | |
| Silver compounds | 378 | — | — | 378 | 12 | |
| Xylene (mixed isomers) | 62 | 62 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese | 12,000,052 | 52 | — | 12,000,000 | 7 | |
| Lead compounds | 2,118,041 | 61 | — | 2,117,979 | 1 | |
| Chromium | 1,600,039 | 39 | — | 1,600,000 | 3 | |
| Zinc compounds | 1,200,045 | 45 | — | 1,200,000 | 29 | |
| Vanadium compounds | 840,000 | — | — | 840,000 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 572,100 | — | — | 572,100 | — | |
| Arsenic compounds | 540,016 | 16 | — | 540,000 | 2 | ♦ Carcinogen |
| Cyanide compounds | 295,602 | 5,602 | — | 290,000 | — | |
| Beryllium compounds | 110,007 | 7 | — | 110,000 | — | ♦ Carcinogen |
| Cobalt compounds | 83,001 | 1 | — | 83,000 | — | ♦ Carcinogen |
| Nickel | 73,033 | 33 | — | 73,000 | 39 | ♦ Carcinogen |
| Copper | 43,014 | 14 | — | 43,000 | 7 | |
| Selenium compounds | 26,032 | 32 | — | 26,000 | 3 | |
| Thallium compounds | 24,000 | — | — | 24,000 | — | |
| Mercury compounds | 3,141 | 6 | — | 3,134 | 0 | |
| Ammonia | 2,351 | 2,300 | — | 51 | — | |
| Polycyclic aromatic compounds | 14 | 14 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese | 13,000,062 | 62 | — | 13,000,000 | 9 | |
| Lead compounds | 2,024,284 | 81 | — | 2,024,203 | 2 | |
| Chromium | 1,700,045 | 45 | — | 1,700,000 | — | |
| Zinc compounds | 1,200,056 | 56 | — | 1,200,000 | 39 | |
| Vanadium compounds | 890,000 | — | — | 890,000 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 682,100 | — | — | 682,100 | — | |
| Arsenic compounds | 570,017 | 17 | — | 570,000 | — | ♦ Carcinogen |
| Cyanide compounds | 366,603 | 6,603 | — | 360,000 | — | |
| Beryllium compounds | 110,000 | — | — | 110,000 | — | ♦ Carcinogen |
| Cobalt compounds | 88,001 | 1 | — | 88,000 | — | ♦ Carcinogen |
| Nickel | 79,037 | 37 | — | 79,000 | 51 | ♦ Carcinogen |
| Copper | 54,015 | 15 | — | 54,000 | — | |
| Selenium compounds | 28,000 | — | — | 28,000 | 3 | |
| Thallium compounds | 25,000 | — | — | 25,000 | — | |
| Mercury compounds | 4,142 | 7 | — | 4,135 | 0 | |
| Ammonia | 2,352 | 2,300 | — | 52 | — | |
| Polycyclic aromatic compounds | 14 | 14 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese | 14,000,146 | 146 | — | 14,000,000 | 1 | |
| Lead compounds | 2,628,917 | 215 | — | 2,628,702 | — | |
| Chromium | 1,800,028 | 28 | — | 1,800,000 | 0 | |
| Zinc compounds | 1,300,051 | 51 | — | 1,300,000 | — | |
| Vanadium compounds | 950,010 | 10 | — | 950,000 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 852,200 | — | — | 852,200 | — | |
| Arsenic compounds | 600,014 | 14 | — | 600,000 | — | ♦ Carcinogen |
| Cyanide compounds | 426,003 | 6,003 | — | 420,000 | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 420,250 | 250 | — | 420,000 | — | |
| Beryllium compounds | 120,001 | 1 | — | 120,000 | — | ♦ Carcinogen |
| Nickel | 84,019 | 19 | — | 84,000 | — | ♦ Carcinogen |
| Copper | 52,019 | 19 | — | 52,000 | — | |
| Selenium compounds | 29,007 | 7 | — | 29,000 | — | |
| Thallium compounds | 27,000 | — | — | 27,000 | — | |
| Mercury compounds | 2,523 | 8 | — | 2,515 | — | |
| n-Hexane | 564 | 564 | — | — | — | |
| Xylene (mixed isomers) | 34 | 34 | — | — | — | |
| Polycyclic aromatic compounds | 17 | 17 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 13,000,141 | 66 | — | 13,000,075 | 1 | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 1,800,000 | — | — | 1,800,000 | — | |
| Lead compounds | 1,659,393 | 90 | — | 1,659,303 | 0 | |
| Zinc compounds | 1,300,073 | 58 | — | 1,300,015 | — | |
| Vanadium compounds | 670,000 | — | — | 670,000 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 472,200 | — | — | 472,200 | — | |
| Chromium | 260,339 | 39 | — | 260,300 | 0 | |
| Manganese | 160,097 | 22 | — | 160,075 | 1 | |
| Arsenic compounds | 99,019 | 19 | — | 99,000 | 0 | ♦ Carcinogen |
| Silver compounds | 59,000 | — | — | 59,000 | — | |
| Antimony compounds | 44,000 | — | — | 44,000 | — | |
| Beryllium compounds | 25,000 | — | — | 25,000 | — | ♦ Carcinogen |
| Copper | 24,089 | 14 | — | 24,075 | 5,700 | |
| Nickel | 14,236 | 86 | — | 14,150 | — | ♦ Carcinogen |
| Cyanide compounds | 7,035 | 5,535 | — | 1,500 | — | |
| Mercury compounds | 3,258 | 7 | — | 3,251 | — | |
| Ammonia | 2,955 | 2,900 | — | 55 | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
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 |
|---|---|---|---|---|
| Arsenic compounds | — | 2 | — | — |
| Selenium compounds | — | 6 | — | — |
| Manganese compounds | — | 15 | — | — |
| Lead compounds | — | 2 | — | — |
| Mercury compounds | — | 1 | — | — |
| Zinc compounds | — | 74 | — | — |
| Cobalt compounds | — | 1 | — | — |
| Vanadium compounds | — | 1 | — | — |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 2 | — | — |
| Cadmium compounds | — | 1 | — | — |
| Nickel compounds | — | 98 | — | — |
| Cyanide compounds | — | — | — | 600,000 |
| Copper compounds | — | 17 | — | — |
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
|
Cadmium compounds | — | 0 | — | — |
|
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
|
Arsenic compounds | — | — | — | — |
|
JUST REFINERS INC.
SPARKS, NV
|
Arsenic compounds | — | 2 | — | — |
|
JUST REFINERS INC.
SPARKS, NV
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 1 | — | — |
|
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 1 | — | — |
|
C & R PIPE AND STEEL, INC.
FAIRBANKS, AK
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | — | — | — |
|
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | — | — | — |
|
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
|
Selenium compounds | — | — | — | — |
|
JUST REFINERS INC.
SPARKS, NV
|
Selenium compounds | — | 6 | — | — |
|
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
|
Cadmium compounds | — | — | — | — |
|
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
|
Arsenic compounds | — | 0 | — | — |
|
JUST REFINERS INC.
SPARKS, NV
|
Cadmium compounds | — | 1 | — | — |
|
C & R PIPE AND STEEL, INC.
FAIRBANKS, AK
|
Manganese compounds | — | 0 | — | — |
|
JUST REFINERS INC.
SPARKS, NV
|
Manganese compounds | — | 15 | — | — |
|
JUST REFINERS INC.
SPARKS, NV
|
Copper compounds | — | 17 | — | — |
|
JUST REFINERS INC.
SPARKS, NV
|
Thallium compounds | — | — | — | — |
|
JUST REFINERS INC.
SPARKS, NV
|
Vanadium compounds | — | 1 | — | — |
|
JUST REFINERS INC.
SPARKS, NV
|
Beryllium compounds | — | — | — | — |
|
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
|
Mercury compounds | 0 | — | — | — |
|
JUST REFINERS INC.
SPARKS, NV
|
Mercury compounds | — | 0 | — | — |
|
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
|
Mercury compounds | — | 0 | — | — |
|
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
|
Lead compounds | — | — | — | — |
|
US ECOLOGY ALASKA, LLC.
ANCHORAGE, AK
|
Lead compounds | — | 0 | — | — |
|
JUST REFINERS INC.
SPARKS, NV
|
Lead compounds | — | 2 | — | — |
|
C & R PIPE AND STEEL, INC.
FAIRBANKS, AK
|
Nickel compounds | — | — | — | — |
|
JUST REFINERS INC.
SPARKS, NV
|
Nickel compounds | — | 98 | — | — |
|
JUST REFINERS INC.
SPARKS, NV
|
Zinc compounds | — | 74 | — | — |
|
C & R PIPE AND STEEL, INC.
FAIRBANKS, AK
|
Zinc compounds | — | — | — | — |
|
JUST REFINERS INC.
SPARKS, NV
|
Cobalt compounds | — | 1 | — | — |
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 |
|---|---|---|---|---|
| cwa | Schedule Event achieved late but reported | Mar 1, 2026 | — | Open |
| rcra | EPA Administered Permit Programs: the HW Permit Program General Information | Mar 22, 2024 | Feb 25, 2025 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Mar 22, 2024 | Feb 25, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 15, 2023 | Mar 18, 2023 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 6, 2020 | — | Open |
| caa | FRV | Oct 25, 2019 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Sep 27, 2016 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | Sep 16, 1997 | Sep 17, 1997 | 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 |
|---|---|---|---|---|---|---|
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +23% | May 2020 | Open |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.24 mg/L | 0.01 | +2,693% | Dec 2019 | Open |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.00 | +1,650% | Dec 2019 | Open |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +159% | Sep 2019 | Open |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +170% | Jul 2016 | Open |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.01 | +447% | Jul 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.