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

PPL COLSTRIP STEAM ELECTRIC STATION

Quick Summary

  • •Released 8,182,524 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
601 WILLOW AVE
COLSTRIP, MT 59323
View on map ↗
County
ROSEBUD County
Industry
Utilities
NAICS (North American Industry Classification)
221112
Inspections
4 · last Sep 18, 2024
Total Penalties
$0 · last May 31, 2013
Registry ID
110041982520

How This Compares

#2 of 55 TRI reporters in MT
#2 of 584 TRI reporters in Utilities

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
0
Water (CWA)
Qtrs Non-Compliant
1
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) -44% overall
Year Total Releases (lbs) vs Prior Year
2015 12,031,945 —
2016 7,956,341 -34%
2017 8,182,524 +3%
2018 7,116,980 -13%
2019 25,860 -100%
2020 7,441,082 +28674%
2021 8,528,382 +15%
2022 8,370,470 -2%
2023 9,191,931 +10%
2024 6,711,933 -27%

2024

Chemical Total (lbs) Air Water Land Off-Site
Bromine — — — — —
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 5,068,010 45,010 — 5,023,000 0
Manganese compounds 1,009,580 1,580 — 1,008,000 —
Vanadium compounds 94,393 1,593 — 92,800 —
Dichloromethane 91,000 91,000 — — — ♦ Carcinogen
Copper compounds 80,072 1,272 — 78,800 —
Nickel compounds 74,774 374 — 74,400 — ♦ Carcinogen
Chromium compounds (except for chromite ore mined in the Transvaal Region) 60,764 364 — 60,400 1
Lead compounds 50,534 434 — 50,100 261
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 49,000 49,000 — — —
Zinc compounds 40,771 971 — 39,800 65
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 25,000 25,000 — — —
Ethylene glycol 17,200 — — 17,200 —
Arsenic compounds 14,450 250 — 14,200 — ♦ Carcinogen
Hydrogen fluoride 11,000 11,000 — — —
Cobalt compounds 10,930 30 — 10,900 — ♦ Carcinogen
Selenium compounds 8,670 1,270 — 7,400 —
Beryllium compounds 4,870 10 — 4,860 — ♦ Carcinogen
Mercury compounds 570 70 — 500 10
Ethylbenzene 210 210 — — 0 ♦ Carcinogen
Naphthalene 130 130 — — — ♦ Carcinogen
Dioxin and dioxin-like compounds 5 5 — — — ♦ Carcinogen

2023

Chemical Total (lbs) Air Water Land Off-Site
Bromine — — — — —
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 7,303,440 53,440 — 7,250,000 0
Manganese compounds 1,187,870 1,870 — 1,186,000 —
Vanadium compounds 115,493 1,893 — 113,600 1
Dichloromethane 108,100 108,100 — — — ♦ Carcinogen
Copper compounds 95,102 1,502 — 93,600 0
Lead compounds 64,812 512 — 64,300 43
Chromium compounds (except for chromite ore mined in the Transvaal Region) 62,033 433 — 61,600 2
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 58,000 58,000 — — —
Zinc compounds 48,551 1,151 — 47,400 72
Nickel compounds 41,543 443 — 41,100 — ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 29,000 29,000 — — —
Arsenic compounds 18,200 300 — 17,900 0 ♦ Carcinogen
Thallium compounds 16,221 921 — 15,300 0
Cobalt compounds 13,330 30 — 13,300 — ♦ Carcinogen
Hydrogen fluoride 13,000 13,000 — — —
Selenium compounds 10,410 1,510 — 8,900 0
Beryllium compounds 5,790 10 — 5,780 — ♦ Carcinogen
Mercury compounds 640 80 — 560 8
Ethylbenzene 250 250 — — 710 ♦ Carcinogen
Naphthalene 140 140 — — 710 ♦ Carcinogen
Dioxin and dioxin-like compounds 6 6 — — — ♦ Carcinogen

2022

Chemical Total (lbs) Air Water Land Off-Site
Bromine — — — — —
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 6,326,110 53,110 — 6,273,000 0
Manganese compounds 1,358,860 1,860 — 1,357,000 —
Vanadium compounds 114,842 1,742 — 113,100 —
Dichloromethane 107,400 107,400 — — — ♦ Carcinogen
Copper compounds 94,592 1,392 — 93,200 —
Lead compounds 65,512 512 — 65,000 1
Chromium compounds (except for chromite ore mined in the Transvaal Region) 58,433 433 — 58,000 1
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 57,000 57,000 — — —
Zinc compounds 44,761 1,061 — 43,700 53
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 29,000 29,000 — — —
Nickel compounds 27,843 443 — 27,400 — ♦ Carcinogen
Arsenic compounds 16,000 300 — 15,700 — ♦ Carcinogen
Thallium compounds 15,711 911 — 14,800 —
Hydrogen fluoride 13,000 13,000 — — —
Cobalt compounds 12,630 30 — 12,600 — ♦ Carcinogen
Ethylene glycol 11,700 — — 11,700 —
Selenium compounds 9,790 990 — 8,800 —
Beryllium compounds 6,100 10 — 6,090 — ♦ Carcinogen
Mercury compounds 800 80 — 720 9
Ethylbenzene 240 240 — — 11 ♦ Carcinogen
Naphthalene 140 140 — — 0 ♦ Carcinogen
Dioxin and dioxin-like compounds 6 6 — — — ♦ Carcinogen

2021

Chemical Total (lbs) Air Water Land Off-Site
Bromine — — — — —
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 6,394,230 49,230 — 6,345,000 0
Manganese compounds 1,470,330 2,330 — 1,468,000 128
Vanadium compounds 115,643 1,743 — 113,900 —
Dichloromethane 99,600 99,600 — — — ♦ Carcinogen
Copper compounds 93,692 1,392 — 92,300 —
Chromium compounds (except for chromite ore mined in the Transvaal Region) 69,434 334 — 69,100 33
Lead compounds 63,333 533 — 62,800 18
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 50,000 50,000 — — —
Zinc compounds 47,661 1,061 — 46,600 78
Nickel compounds 35,133 333 — 34,800 — ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 18,000 18,000 — — —
Arsenic compounds 15,730 230 — 15,500 — ♦ Carcinogen
Ethylene glycol 13,900 — — 13,900 —
Cobalt compounds 13,140 40 — 13,100 — ♦ Carcinogen
Hydrogen fluoride 12,000 12,000 — — —
Selenium compounds 9,790 990 — 8,800 —
Beryllium compounds 5,640 10 — 5,630 — ♦ Carcinogen
Mercury compounds 760 70 — 690 2
Ethylbenzene 230 230 — — 19 ♦ Carcinogen
Naphthalene 130 130 — — 0 ♦ Carcinogen
Dioxin and dioxin-like compounds 6 6 — — — ♦ Carcinogen

2020

Chemical Total (lbs) Air Water Land Off-Site
Bromine — — — — —
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 5,714,130 40,130 — 5,674,000 0
Manganese compounds 1,119,930 1,930 — 1,118,000 55
Vanadium compounds 92,422 1,422 — 91,000 3
Dichloromethane 81,200 81,200 — — — ♦ Carcinogen
Copper compounds 76,932 1,132 — 75,800 —
Chromium compounds (except for chromite ore mined in the Transvaal Region) 67,275 275 — 67,000 3
Lead compounds 54,842 442 — 54,400 764
Ethylene glycol 52,200 — — 52,200 —
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 43,000 43,000 — — —
Zinc compounds 39,161 861 — 38,300 31
Nickel compounds 36,475 275 — 36,200 2 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 15,000 15,000 — — —
Arsenic compounds 13,990 190 — 13,800 — ♦ Carcinogen
Cobalt compounds 10,530 30 — 10,500 — ♦ Carcinogen
Hydrogen fluoride 10,000 10,000 — — —
Selenium compounds 8,310 810 — 7,500 —
Beryllium compounds 4,630 10 — 4,620 — ♦ Carcinogen
Mercury compounds 700 60 — 640 1
Ethylbenzene 190 190 — — 28 ♦ Carcinogen
Naphthalene 160 160 — — 2 ♦ Carcinogen
Dioxin and dioxin-like compounds 5 5 — — — ♦ Carcinogen

2019

Chemical Total (lbs) Air Water Land Off-Site
Hydrogen fluoride 17,000 17,000 — — —
Antimony compounds 8,550 140 — 8,410 13
Ethylbenzene 300 300 — — 17 ♦ Carcinogen
Hexachlorobenzene 10 10 — — — ♦ Carcinogen

2018

Chemical Total (lbs) Air Water Land Off-Site
Bromine — — — — —
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 4,548,280 63,280 — 4,485,000 29,837
Manganese compounds 1,646,000 3,000 — 1,643,000 8,008
Vanadium compounds 160,843 2,243 — 158,600 397
Copper compounds 130,683 1,783 — 128,900 362
Dichloromethane 128,100 128,100 — — — ♦ Carcinogen
Chromium compounds (except for chromite ore mined in the Transvaal Region) 89,736 436 — 89,300 345
Lead compounds 83,092 692 — 82,400 474
Zinc compounds 70,662 1,362 — 69,300 204
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 67,000 67,000 — — —
Nickel compounds 45,225 425 — 44,800 145 ♦ Carcinogen
Arsenic compounds 31,501 301 — 31,200 37 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 23,000 23,000 — — —
Cobalt compounds 18,751 51 — 18,700 38 ♦ Carcinogen
Thallium compounds 18,391 1,091 — 17,300 47
Hydrogen fluoride 16,000 16,000 — — —
Selenium compounds 14,070 1,270 — 12,800 53
Antimony compounds 8,480 130 — 8,350 26
Ethylene glycol 8,200 — — 8,200 —
Beryllium compounds 7,380 20 — 7,360 28 ♦ Carcinogen
Mercury compounds 1,030 110 — 920 5
Ethylbenzene 290 290 — — 89 ♦ Carcinogen
Naphthalene 160 160 — — 69 ♦ Carcinogen
Polycyclic aromatic compounds 80 80 — — 1 ♦ Carcinogen
Benzo[g,h,i]perylene 10 10 — — —
Hexachlorobenzene 10 10 — — — ♦ Carcinogen
Dioxin and dioxin-like compounds 6 6 — — — ♦ Carcinogen

2017

Chemical Total (lbs) Air Water Land Off-Site
Bromine — — — — —
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 5,477,090 66,090 — 5,411,000 96,041
Manganese compounds 1,751,130 3,130 — 1,748,000 20,943
Vanadium compounds 167,243 2,343 — 164,900 1,301
Copper compounds 136,863 1,863 — 135,000 1,121
Dichloromethane 134,000 134,000 — — — ♦ Carcinogen
Chromium compounds (except for chromite ore mined in the Transvaal Region) 95,956 456 — 95,500 1,222
Lead compounds 90,833 733 — 90,100 779
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 69,000 69,000 — — —
Zinc compounds 66,321 1,421 — 64,900 514
Nickel compounds 41,645 445 — 41,200 490 ♦ Carcinogen
Arsenic compounds 30,411 311 — 30,100 123 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 24,000 24,000 — — —
Thallium compounds 18,841 1,141 — 17,700 140
Cobalt compounds 17,450 50 — 17,400 132 ♦ Carcinogen
Hydrogen fluoride 17,000 17,000 — — —
Ethylene glycol 14,200 — — 14,200 —
Selenium compounds 13,330 1,330 — 12,000 154
Antimony compounds 8,410 140 — 8,270 80
Beryllium compounds 7,140 20 — 7,120 76 ♦ Carcinogen
Mercury compounds 1,080 120 — 960 9
Ethylbenzene 300 300 — — 27 ♦ Carcinogen
Naphthalene 165 165 — — 1 ♦ Carcinogen
Polycyclic aromatic compounds 90 90 — — — ♦ Carcinogen
Hexachlorobenzene 10 10 — — — ♦ Carcinogen
Benzo[g,h,i]perylene 10 10 — — —
Dioxin and dioxin-like compounds 6 6 — — — ♦ Carcinogen

2016

Chemical Total (lbs) Air Water Land Off-Site
Bromine — — — — —
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 5,191,380 66,380 — 5,125,000 5,141
Manganese compounds 1,742,140 3,140 — 1,739,000 1,405
Vanadium compounds 186,453 2,353 — 184,100 70
Copper compounds 145,073 1,873 — 143,200 58
Dichloromethane 134,000 134,000 — — — ♦ Carcinogen
Chromium compounds (except for chromite ore mined in the Transvaal Region) 100,956 456 — 100,500 66
Lead compounds 96,033 733 — 95,300 1,946
Zinc compounds 79,532 1,432 — 78,100 78
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 72,000 72,000 — — —
Nickel compounds 47,745 445 — 47,300 24 ♦ Carcinogen
Arsenic compounds 38,111 311 — 37,800 7 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 24,000 24,000 — — —
Thallium compounds 19,841 1,141 — 18,700 8
Cobalt compounds 19,650 50 — 19,600 7 ♦ Carcinogen
Hydrogen fluoride 17,000 17,000 — — —
Selenium compounds 14,030 1,330 — 12,700 8
Antimony compounds 9,800 140 — 9,660 4
Beryllium compounds 9,430 20 — 9,410 4 ♦ Carcinogen
Ethylene glycol 7,500 — — 7,500 —
Mercury compounds 1,070 120 — 950 2
Ethylbenzene 300 300 — — 31 ♦ Carcinogen
Naphthalene 180 180 — — 1 ♦ Carcinogen
Polycyclic aromatic compounds 90 90 — — — ♦ Carcinogen
Hexachlorobenzene 10 10 — — — ♦ Carcinogen
Benzo[g,h,i]perylene 10 10 — — —
Dioxin and dioxin-like compounds 7 7 — — — ♦ Carcinogen

2015

Chemical Total (lbs) Air Water Land Off-Site
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 9,272,400 72,400 — 9,200,000 143,403
Manganese compounds 1,713,410 3,410 — 1,710,000 13,640
Vanadium compounds 175,962 2,562 — 173,400 810
Copper compounds 160,642 2,042 — 158,600 790
Dichloromethane 147,000 147,000 — — — ♦ Carcinogen
Lead compounds 92,902 802 — 92,100 456
Chromium compounds (except for chromite ore mined in the Transvaal Region) 91,995 495 — 91,500 645
Zinc compounds 85,261 1,561 — 83,700 581
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 79,000 79,000 — — —
Nickel compounds 48,785 485 — 48,300 290 ♦ Carcinogen
Arsenic compounds 28,140 340 — 27,800 60 ♦ Carcinogen
Cobalt compounds 27,860 60 — 27,800 120 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 26,000 26,000 — — —
Thallium compounds 21,851 1,251 — 20,600 90
Hydrogen fluoride 18,000 18,000 — — —
Selenium compounds 14,850 1,450 — 13,400 86
Antimony compounds 10,080 150 — 9,930 60
Beryllium compounds 9,630 20 — 9,610 60 ♦ Carcinogen
Ethylene glycol 6,000 — — 6,000 —
Mercury compounds 1,430 140 — 1,290 6
Ethylbenzene 320 320 — — 38 ♦ Carcinogen
Naphthalene 200 200 — — 1 ♦ Carcinogen
Bromine 110 — — 110 —
Polycyclic aromatic compounds 90 90 — — — ♦ Carcinogen
Hexachlorobenzene 10 10 — — — ♦ Carcinogen
Benzo[g,h,i]perylene 10 10 — — —
Dioxin and dioxin-like compounds 7 7 — — — ♦ 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
Ethylbenzene — — — 0
Hydrogen fluoride — — — 480,000
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) — — — 90,000
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) — — — 70,000
Mercury compounds — 10 — —

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
CLEAN HARBORS SPRING GROVE
CINCINATTI, OH
 Lead compounds 210 — — —
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
 Ethylbenzene — — — 0
CLEAN HARBORS ARIZONA LLC
PHOENIX, AZ
 Mercury compounds — 6 — —
CLEAN HARBORS DEER TRAIL LLC
DEER TRAIL, CO
 Mercury compounds 0 — — —
EMERALD SERVICES INC BILLINGS
BILLINGS, MT
 Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 0 — — —
REGION 8 ENVIRO LLC
COMMERCE CITY, CO
 Mercury compounds — 1 — —
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
 Mercury compounds — 4 — —
EMERALD SERVICES INC BILLINGS
BILLINGS, MT
 Chromium compounds (except for chromite ore mined in the Transvaal Region) 1 — — —
EMERALD SERVICES INC BILLINGS
BILLINGS, MT
 Zinc compounds 65 — — —
CLEAN HARBORS DEER TRAIL LLC
DEER TRAIL, CO
 Lead compounds 50 — — —
EMERALD SERVICES INC BILLINGS
BILLINGS, MT
 Lead 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
rcra Standards Applicable to Generators of HW: General Apr 29, 2024 Apr 29, 2024 Resolved
rcra Standards Applicable to Generators of HW: General Sep 29, 2022 Oct 20, 2022 Resolved
rcra Standards for Used Oil: Generators Jan 20, 2021 Jan 26, 2021 Resolved
rcra Standards Applicable to Generators of HW: General Oct 24, 2017 Nov 6, 2017 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Oct 24, 2017 Nov 13, 2017 Resolved
rcra Standards Applicable to Generators of HW: General Oct 24, 2017 Nov 6, 2017 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Oct 24, 2017 Nov 13, 2017 Resolved
rcra Standards for Used Oil: Generators Aug 26, 1999 Sep 22, 1999 Resolved
rcra Standards for Used Oil: Generators Aug 26, 1999 Sep 22, 1999 Resolved
rcra Standards for Used Oil: Generators Sep 16, 1998 Sep 18, 1998 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators May 10, 1996 May 23, 1996 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators May 10, 1996 May 23, 1996 Resolved
rcra Standards Applicable to Generators of HW: General Nov 3, 1993 Nov 26, 1993 Resolved
rcra Standards Applicable to Generators of HW: General Sep 20, 1991 Oct 16, 1991 Resolved
rcra Standards Applicable to Generators of HW: General Oct 10, 1990 Dec 5, 1990 Resolved
rcra Standards Applicable to Generators of HW: General Oct 10, 1990 Dec 27, 1990 Resolved
rcra Standards Applicable to Generators of HW: General Jun 8, 1989 Apr 6, 1990 Resolved
rcra Standards Applicable to Generators of HW: General Jul 8, 1987 Feb 4, 1988 Resolved
rcra Standards Applicable to Generators of HW: General Jul 8, 1987 Feb 4, 1988 Resolved

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.

BACK IN COMPLIANCE LTR
RCRA (Hazardous Waste) · Case RCRA-MTD980330609-001 · Oct 20, 2022
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-MTD000710236-001 · Nov 15, 2017
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-MTD000710236-002 · Nov 8, 2017
Judicial
· Case 08-2006-0159 · May 14, 2007
$50,000
Administrative - Formal
· Case 08-2004-0027 · Dec 16, 2003
VERBAL INFORMAL
RCRA (Hazardous Waste) · Case RCRA-MTD980330609-000 · Sep 7, 1999
DOCUMENT RECEIVED
RCRA (Hazardous Waste) · Case RCRA-MTD000710236-000 · Nov 13, 1993
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-MTD000710236-003 · Nov 1, 1990
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-MTD980330609-002 · Nov 1, 1990

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