Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
POGO MINE
Quick Summary
- •Released 9,205,582 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 $1,200,000 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
POGO RD, MILE 50
DELTA JUNCTION, AK 99737
View on map ↗ - County
- SOUTHEAST FAIRBANKS County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 212220
- Inspections
- 9 · last Dec 23, 2025
- Total Penalties
- $1,200,000 · last Sep 27, 2022
- Registry ID
- 110009058802
How This Compares
#4
of 51 TRI reporters in AK
#22
of 555 TRI reporters in Mining, Quarrying, and Oil and Gas Extraction
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.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
9
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
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.
Emissions Trend (2015–2024)
-2% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 8,638,067 | — |
| 2016 | 9,281,139 | +7% |
| 2017 | 9,205,582 | -1% |
| 2018 | 7,922,662 | -14% |
| 2019 | 1,773,777 | -78% |
| 2020 | 6,015,472 | +239% |
| 2021 | 6,470,412 | +8% |
| 2022 | 7,978,848 | +23% |
| 2023 | 8,404,271 | +5% |
| 2024 | 8,443,616 | 0% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Sodium nitrite | — | — | — | — | — | |
| Xylene (mixed isomers) | — | — | — | — | — | |
| Toluene | — | — | — | — | — | |
| Nitric acid | — | — | — | — | — | |
| Thiourea | — | — | — | — | — | ♦ Carcinogen |
| Arsenic compounds | 3,768,927 | 43 | 27 | 3,768,857 | 0 | ♦ Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1,453,814 | — | 441,921 | 1,011,893 | — | |
| Manganese compounds | 1,379,318 | 7 | 217 | 1,379,094 | — | |
| Copper compounds | 978,111 | 3 | 13 | 978,095 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 193,897 | 9 | 0 | 193,888 | 0 | |
| Vanadium compounds | 191,060 | 1 | 0 | 191,059 | — | |
| Zinc compounds | 166,300 | 7 | 5 | 166,288 | 16 | |
| Lead compounds | 138,285 | 12 | 0 | 138,273 | 0 | |
| Nickel compounds | 63,797 | 6 | 15 | 63,777 | — | ♦ Carcinogen |
| Ammonia | 38,160 | 2,248 | 5,746 | 30,166 | — | |
| Cobalt compounds | 37,953 | 0 | 107 | 37,846 | — | ♦ Carcinogen |
| Antimony compounds | 14,852 | 0 | 9 | 14,843 | — | |
| Diethanolamine | 14,136 | — | — | 14,136 | — | |
| Beryllium compounds | 4,092 | 3 | 0 | 4,089 | — | ♦ Carcinogen |
| Propylene | 879 | 879 | — | — | — | |
| Mercury compounds | 34 | 0 | 0 | 33 | 0 | |
| Cyanide compounds | 1 | — | 1 | 0 | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Thiourea | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Sodium nitrite | — | — | — | — | — | |
| Xylene (mixed isomers) | — | — | — | — | — | |
| Nitric acid | — | — | — | — | — | |
| Arsenic compounds | 4,061,790 | 54 | 56 | 4,061,680 | 0 | ♦ Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1,299,133 | — | 356,748 | 942,385 | — | |
| Manganese compounds | 1,130,531 | 6 | 214 | 1,130,310 | — | |
| Copper compounds | 1,079,581 | 3 | 14 | 1,079,564 | — | |
| Zinc compounds | 200,310 | 7 | 9 | 200,293 | 9 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 178,404 | 3 | 0 | 178,401 | 0 | |
| Lead compounds | 147,981 | 10 | 0 | 147,971 | 0 | |
| Vanadium compounds | 142,186 | 1 | 0 | 142,185 | — | |
| Nickel compounds | 62,692 | 2 | 0 | 62,690 | — | ♦ Carcinogen |
| Cobalt compounds | 37,559 | 0 | 64 | 37,495 | — | ♦ Carcinogen |
| Ammonia | 35,612 | 2,424 | 6,263 | 26,925 | — | |
| Antimony compounds | 14,300 | 0 | 12 | 14,288 | — | |
| Diethanolamine | 10,058 | — | — | 10,058 | — | |
| Beryllium compounds | 3,298 | 3 | 0 | 3,295 | — | ♦ Carcinogen |
| Propylene | 808 | 808 | — | — | — | |
| Mercury compounds | 29 | 0 | 0 | 29 | 0 | |
| Cyanide compounds | 1 | — | 1 | 0 | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Thiourea | — | — | — | — | — | ♦ Carcinogen |
| Nitric acid | — | — | — | — | — | |
| Arsenic compounds | 3,259,126 | 31 | 71 | 3,259,024 | 0 | ♦ Carcinogen |
| Copper compounds | 1,425,797 | 3 | 25 | 1,425,769 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1,355,321 | — | 491,177 | 864,144 | — | |
| Manganese compounds | 1,152,381 | 8 | 662 | 1,151,711 | — | |
| Zinc compounds | 171,012 | 8 | 54 | 170,950 | 8 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 168,765 | 3 | 13 | 168,749 | 0 | |
| Vanadium compounds | 154,853 | 1 | 26 | 154,827 | — | |
| Lead compounds | 142,956 | 12 | 1 | 142,943 | 0 | |
| Nickel compounds | 55,692 | 2 | 11 | 55,679 | — | ♦ Carcinogen |
| Ammonia | 40,650 | 3,274 | 7,140 | 30,236 | — | |
| Cobalt compounds | 37,513 | 0 | 85 | 37,428 | — | ♦ Carcinogen |
| Antimony compounds | 10,359 | 0 | 14 | 10,345 | — | |
| Beryllium compounds | 3,623 | 3 | 3 | 3,617 | — | ♦ Carcinogen |
| Propylene | 735 | 735 | — | — | — | |
| Cyanide compounds | 42 | — | 1 | 42 | — | |
| Mercury compounds | 24 | 1 | 0 | 23 | 0 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitric acid | — | — | — | — | — | |
| Thiourea | — | — | — | — | — | ♦ Carcinogen |
| Arsenic compounds | 2,713,588 | 19 | 57 | 2,713,512 | 0 | ♦ Carcinogen |
| Copper compounds | 1,585,266 | 4 | 43 | 1,585,219 | — | |
| Manganese compounds | 904,630 | 9 | 869 | 903,752 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 782,869 | — | 376,460 | 406,409 | — | |
| Vanadium compounds | 120,948 | 1 | 307 | 120,640 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 104,135 | 3 | 154 | 103,978 | 0 | |
| Zinc compounds | 90,360 | 10 | 372 | 89,978 | 9 | |
| Lead compounds | 73,880 | 11 | 4 | 73,865 | 0 | |
| Nickel compounds | 36,226 | 3 | 153 | 36,070 | — | ♦ Carcinogen |
| Ammonia | 34,556 | 2,391 | 19,683 | 12,482 | — | |
| Cobalt compounds | 20,539 | — | 153 | 20,386 | — | ♦ Carcinogen |
| Beryllium compounds | 2,579 | 2 | 31 | 2,546 | — | ♦ Carcinogen |
| Propylene | 708 | 708 | — | — | — | |
| Mercury compounds | 92 | 0 | 0 | 91 | 0 | |
| Cyanide compounds | 37 | — | 3 | 34 | 0 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Thiourea | — | — | — | — | — | ♦ Carcinogen |
| Nitric acid | — | — | — | — | — | |
| Arsenic compounds | 2,787,065 | 20 | 77 | 2,786,968 | 0 | ♦ Carcinogen |
| Copper compounds | 1,513,324 | 1 | 11 | 1,513,312 | — | |
| Manganese compounds | 849,484 | 6 | 149 | 849,329 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 413,192 | 1 | 55 | 413,136 | — | |
| Vanadium compounds | 105,339 | 1 | 24 | 105,314 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 99,526 | 1 | 12 | 99,513 | — | |
| Zinc compounds | 95,299 | 1 | 385 | 94,913 | 33 | |
| Lead compounds | 73,563 | 8 | 4 | 73,551 | — | |
| Nickel compounds | 37,325 | — | 13 | 37,312 | — | ♦ Carcinogen |
| Ammonia | 20,569 | 1,456 | 818 | 18,295 | — | |
| Cobalt compounds | 17,635 | — | 12 | 17,623 | — | ♦ Carcinogen |
| Beryllium compounds | 2,394 | — | 1 | 2,393 | — | ♦ Carcinogen |
| Propylene | 650 | 650 | — | — | — | |
| Mercury compounds | 68 | 0 | 0 | 67 | — | |
| Cyanide compounds | 39 | — | 0 | 39 | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper compounds | 1,500,008 | 1 | 7 | 1,500,000 | — | |
| Manganese compounds | 200,099 | 14 | 85 | 200,000 | — | |
| Lead compounds | 72,610 | 9 | 1 | 72,600 | — | |
| Propylene | 1,060 | 1,060 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitric acid | — | — | — | — | — | |
| Arsenic compounds | 4,800,303 | 93 | 210 | 4,800,000 | — | ♦ Carcinogen |
| Copper compounds | 1,800,073 | 2 | 71 | 1,800,000 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 740,000 | — | 210,000 | 530,000 | — | |
| Manganese compounds | 290,775 | 15 | 760 | 290,000 | — | |
| Lead compounds | 74,620 | 11 | 9 | 74,600 | — | |
| Zinc compounds | 54,365 | 5 | 360 | 54,000 | 5 | |
| Ammonia | 39,700 | 1,700 | 20,000 | 18,000 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 39,162 | 2 | 160 | 39,000 | — | |
| Vanadium compounds | 31,312 | 2 | 310 | 31,000 | — | |
| Nickel compounds | 31,155 | 5 | 150 | 31,000 | — | ♦ Carcinogen |
| Cobalt compounds | 20,162 | 2 | 160 | 20,000 | — | ♦ Carcinogen |
| Propylene | 770 | 770 | — | — | — | |
| Mercury compounds | 169 | 1 | 0 | 168 | — | |
| Cyanide compounds | 96 | — | 5 | 91 | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitric acid | — | — | — | — | — | |
| Arsenic compounds | 5,400,660 | 430 | 230 | 5,400,000 | — | ♦ Carcinogen |
| Copper compounds | 2,100,061 | 1 | 60 | 2,100,000 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1,060,000 | — | 250,000 | 810,000 | — | |
| Manganese compounds | 310,640 | — | 640 | 310,000 | — | |
| Lead compounds | 76,322 | 15 | 8 | 76,300 | — | |
| Zinc compounds | 63,292 | 2 | 290 | 63,000 | 9 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 46,121 | 1 | 120 | 46,000 | — | |
| Ammonia | 39,300 | 2,300 | 15,000 | 22,000 | — | |
| Nickel compounds | 37,127 | 7 | 120 | 37,000 | — | ♦ Carcinogen |
| Vanadium compounds | 31,240 | — | 240 | 31,000 | — | |
| Cobalt compounds | 23,123 | 3 | 120 | 23,000 | — | ♦ Carcinogen |
| Antimony compounds | 9,224 | — | 24 | 9,200 | — | |
| Selenium compounds | 7,324 | — | 24 | 7,300 | — | |
| Propylene | 820 | 820 | — | — | — | |
| Mercury compounds | 223 | 8 | 0 | 215 | — | |
| Cyanide compounds | 104 | — | 4 | 100 | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitric acid | — | — | — | — | — | |
| Arsenic compounds | 5,200,720 | 400 | 320 | 5,200,000 | 1 | ♦ Carcinogen |
| Copper compounds | 2,200,054 | 1 | 53 | 2,200,000 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1,250,000 | — | 400,000 | 850,000 | — | |
| Manganese compounds | 310,630 | — | 630 | 310,000 | — | |
| Lead compounds | 70,419 | 13 | 7 | 70,400 | — | |
| Zinc compounds | 59,260 | — | 260 | 59,000 | 174 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 50,700 | 1 | 99 | 50,600 | — | |
| Nickel compounds | 35,103 | 5 | 98 | 35,000 | — | ♦ Carcinogen |
| Ammonia | 33,700 | 1,700 | 12,000 | 20,000 | — | |
| Vanadium compounds | 33,200 | — | 200 | 33,000 | — | |
| Cobalt compounds | 21,101 | 2 | 99 | 21,000 | — | ♦ Carcinogen |
| Antimony compounds | 8,520 | — | 20 | 8,500 | — | |
| Selenium compounds | 6,720 | — | 20 | 6,700 | — | |
| Propylene | 740 | 740 | — | — | — | |
| Mercury compounds | 201 | 7 | 0 | 194 | — | |
| Cyanide compounds | 71 | — | 4 | 67 | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nitric acid | — | — | — | — | — | |
| Arsenic compounds | 4,700,700 | 330 | 370 | 4,700,000 | — | ♦ Carcinogen |
| Copper compounds | 1,800,024 | — | 24 | 1,800,000 | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1,510,000 | — | 510,000 | 1,000,000 | — | |
| Manganese compounds | 320,330 | — | 330 | 320,000 | — | |
| Lead compounds | 74,416 | 13 | 3 | 74,400 | — | |
| Zinc compounds | 53,066 | — | 66 | 53,000 | 310 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 48,840 | 1 | 39 | 48,800 | — | |
| Ammonia | 38,005 | 1,205 | 8,800 | 28,000 | — | |
| Vanadium compounds | 34,076 | — | 76 | 34,000 | — | |
| Nickel compounds | 31,025 | 2 | 23 | 31,000 | — | ♦ Carcinogen |
| Cobalt compounds | 19,064 | — | 64 | 19,000 | — | ♦ Carcinogen |
| Selenium compounds | 7,123 | — | 23 | 7,100 | — | |
| Propylene | 1,120 | 1,120 | — | — | — | |
| Mercury compounds | 175 | 3 | — | 172 | — | |
| Cyanide compounds | 103 | — | 3 | 100 | — |
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 |
|---|---|---|---|---|
| Cyanide compounds | — | — | — | 347,592 |
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 |
|---|---|---|---|---|---|
|
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
|
Arsenic compounds | 0 | — | — | — |
|
ENVIRONMENTAL COMPLIANCE CONSULTANTS
ANCHORAGE, AK
|
Arsenic compounds | 0 | — | — | — |
|
DELTA INDUSTRIAL SERVICES INC
DELTA JUNCTION, AK
|
Arsenic compounds | 0 | — | — | — |
|
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 | — | — | — |
|
DELTA INDUSTRIAL SERVICES INC
DELTA JUNCTION, AK
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 | — | — | — |
|
ENVIRONMENTAL COMPLIANCE CONSULTANTS
ANCHORAGE, AK
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 0 | — | — | — |
|
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
|
Mercury compounds | 0 | — | — | — |
|
DELTA INDUSTRIAL SERVICES INC
DELTA JUNCTION, AK
|
Mercury compounds | 0 | — | — | — |
|
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
|
Lead compounds | 0 | — | — | — |
|
DELTA INDUSTRIAL SERVICES INC
DELTA JUNCTION, AK
|
Lead compounds | 0 | — | — | — |
|
CHEMICAL WASTE MANAGEMENT OF THE NW
ARLINGTON, OR
|
Zinc compounds | 0 | — | — | — |
|
DELTA INDUSTRIAL SERVICES INC
DELTA JUNCTION, AK
|
Zinc compounds | 8 | — | — | — |
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 | Effluent Violations - Unapproved Bypass | Nov 10, 2022 | — | Open |
| cwa | Management Practice Violations - Best Management Practice Deficiencies | Nov 10, 2022 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Oct 10, 2022 | — | Open |
| cwa | Effluent Violations - Unauthorized Discharge | Oct 10, 2022 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Oct 10, 2022 | — | Open |
| rcra | Land Disposal Restrictions: General | Sep 22, 2022 | Sep 22, 2022 | Resolved |
| rcra | EPA Administered Permit Programs: the HW Permit Program General Information | Sep 22, 2022 | Sep 22, 2022 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Sep 22, 2022 | Sep 22, 2022 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Sep 22, 2022 | Sep 22, 2022 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jan 21, 2020 | Jan 21, 2020 | Resolved |
| cwa | WW CSO - Failure to Maintain Records or Meet Record Keeping Requirements | Nov 15, 2018 | — | Open |
| caa | FRV | Jun 26, 2018 | — | Open |
| caa | FRV | May 29, 2018 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Nov 17, 2015 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Jul 18, 2011 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jul 18, 2011 | — | Open |
| cwa | Effluent Violations - Approved Bypass | Jul 18, 2011 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Jul 18, 2011 | — | Open |
| cwa | Schedule Event reported late | Jul 31, 2010 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 31, 2010 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 31, 2010 | Sep 7, 2010 | Resolved |
| cwa | Schedule Event unachieved but reported | Jul 31, 2010 | Aug 31, 2010 | Resolved |
| cwa | Schedule Event reported late | Apr 30, 2010 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 30, 2010 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 1, 2008 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 1, 2007 | — | Open |
| cwa | Schedule Event reported late | Jan 1, 2007 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 1, 2007 | Feb 23, 2007 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2007 | Feb 27, 2007 | Resolved |
| cwa | Schedule Event achieved late but reported | Apr 30, 2006 | — | Open |
| cwa | Schedule Event unachieved but reported | Apr 30, 2006 | May 31, 2006 | Resolved |
| cwa | Schedule Event unachieved and not reported | Apr 30, 2006 | Jun 5, 2006 | Resolved |
| cwa | Schedule Event reported late | Apr 30, 2006 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 1, 2006 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2006 | Mar 2, 2006 | Resolved |
| cwa | Schedule Event unachieved and not reported | Nov 3, 2004 | Mar 7, 2005 | Resolved |
| cwa | Schedule Event achieved late but reported | Nov 3, 2004 | — | 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 |
|---|---|---|---|---|---|---|
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +113% | Feb 2017 | Open |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +190% | Feb 2017 | Open |
| Cadmium, total recoverable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +100% | Jan 2017 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +33% | Nov 2016 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 6.38 mg/L | 1.64 | +289% | Jul 2016 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 1.93 mg/L | 0.82 | +136% | Jul 2016 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 2.22 mg/L | 1.64 | +35% | Jun 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.
Administrative - Formal
· Case 10-2022-0244 · Sep 27, 2022
$600,000
INITIAL 3008(A) COMPLIANCE
RCRA (Hazardous Waste)
· Case RCRA-AKR000005553-002 · Sep 27, 2022
$600,000
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste)
· Case RCRA-AKR000005553-001 · Jan 21, 2020
Warning Letter
Clean Air Act
· Case 3601493157 · Jun 26, 2018
State Administrative Order of Consent
Clean Water Act
· Case AK-110929500002 · Jun 5, 2012
$8,360
Administrative - Formal
· Case 10-2010-0082 · Jan 13, 2010