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

WESTERN SUGAR COOPERATIVE

Quick Summary

  • Released 186,338 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 $38,000 in total penalties since records began.
  • Reports releases of chemicals classified as known or probable carcinogens.
Address
3020 STATE AVE.
BILLINGS, MT 59101
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County
YELLOWSTONE County
Industry
Manufacturing
NAICS (North American Industry Classification)
311313
Inspections
6 · last Sep 2, 2025
Total Penalties
$38,000 · last Aug 14, 2025
Registry ID
110000428485

How This Compares

#10 of 55 TRI reporters in MT
#731 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) -51% overall
Year Total Releases (lbs) vs Prior Year
2015 155,438
2016 179,470 +15%
2017 186,338 +4%
2018 168,193 -10%
2019 160,257 -5%
2020 89,254 -44%
2021 127,649 +43%
2022 99,057 -22%
2023 106,013 +7%
2024 76,531 -28%

2024

Chemical Total (lbs) Air Water Land Off-Site
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 45,833 32,498 13,335
Ammonia 30,433 24,181 5,189 1,063 19,202
Lead compounds 265 249 16

2023

Chemical Total (lbs) Air Water Land Off-Site
Ammonia 54,790 47,794 5,957 1,039 37,070
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 50,929 36,075 14,854
Lead compounds 294 277 17

2022

Chemical Total (lbs) Air Water Land Off-Site
Ammonia 61,282 56,493 4,788 1,349
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 37,486 37,486 15,811
Lead compounds 289 289 18

2021

Chemical Total (lbs) Air Water Land Off-Site
Ammonia 78,637 74,676 2,903 1,058
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 48,731 34,344 14,387
Lead compounds 281 264 17

2020

Chemical Total (lbs) Air Water Land Off-Site
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 56,300 42,124 14,176
Ammonia 32,695 25,040 6,841 814
Lead compounds 260 243 17

2019

Chemical Total (lbs) Air Water Land Off-Site
Ammonia 112,169 89,648 16,784 5,737
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 47,834 47,826 7
Lead compounds 254 254 0

2018

Chemical Total (lbs) Air Water Land Off-Site
Ammonia 111,930 111,727 203
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 55,897 55,887 10
Lead compounds 358 322 36
Mercury compounds 8 7 1
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen

2017

Chemical Total (lbs) Air Water Land Off-Site
Ammonia 123,617 119,600 2,787 1,230
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 62,318 56,086 6,232
Lead compounds 403 363 40
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen

2016

Chemical Total (lbs) Air Water Land Off-Site
Ammonia 119,512 114,601 3,106 1,805
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 59,678 53,710 5,968
Lead compounds 280 252 28
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen

2015

Chemical Total (lbs) Air Water Land Off-Site
Ammonia 96,892 89,897 3,829 3,166
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 58,277 52,449 5,828
Lead compounds 269 242 27
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
Ammonia 19,202

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
ANACONDA NPL SITE
ANACONDA, MT
Ammonia 19,202

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 unachieved but reported May 15, 2025 Jun 15, 2025 Resolved
cwa WW Storm Water Non-Construction - Failure to properly operate and maintain BMPs Aug 7, 2024 Dec 19, 2024 Resolved
cwa WW Storm Water Non-Construction - Failure to Conduct Inspections Aug 7, 2024 Dec 19, 2024 Resolved
cwa WW Storm Water Non-Construction - Failure to Maintain Records Aug 7, 2024 Dec 19, 2024 Resolved
cwa WW Storm Water Non-Construction - Failure to Monitor Aug 7, 2024 Dec 19, 2024 Resolved
cwa WW Storm Water Non-Construction - Failure to properly install/implement BMPs Aug 7, 2024 Dec 19, 2024 Resolved
cwa Reporting Violations - Improper/ Incorrect Reporting Aug 23, 2023 Dec 11, 2023 Resolved
cwa Schedule Event unachieved but reported Feb 15, 2022 Jan 31, 2023 Resolved
cwa Schedule Event unachieved and not reported Feb 15, 2022 Jan 31, 2023 Resolved
cwa Schedule Event reported late Feb 15, 2022 Open
cwa Schedule Event achieved late but reported Feb 15, 2022 Open
cwa Reporting Violations - Improper/ Incorrect Reporting Jan 26, 2021 Mar 16, 2021 Resolved
cwa Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) Oct 4, 2018 Nov 23, 2018 Resolved
caa HPV May 29, 2018 Feb 12, 2026 Resolved
cwa Monitoring Violations - Invalid/Unrepresentative Sample Oct 12, 2017 Nov 23, 2018 Resolved
cwa Reporting Violations - Improper/ Incorrect Reporting Oct 12, 2017 Nov 23, 2018 Resolved
cwa Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) Oct 12, 2017 Oct 22, 2018 Resolved
cwa WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP Nov 24, 2015 Nov 24, 2015 Resolved
cwa WW Storm Water Non-Construction - Failure to properly install/implement BMPs Nov 24, 2015 Nov 24, 2015 Resolved
cwa WW Storm Water Non-Construction - Failure to properly operate and maintain BMPs Nov 24, 2015 Nov 24, 2015 Resolved
cwa WW Storm Water Non-Construction - Failure to Maintain Records Nov 24, 2015 Nov 24, 2015 Resolved
cwa WW Storm Water Non-Construction - Failure to Conduct Inspections Nov 24, 2015 Nov 24, 2015 Resolved
cwa Schedule Event achieved late but reported Feb 8, 2015 Open
cwa Schedule Event achieved late but reported Mar 1, 2014 Open
cwa Monitoring Violations - Invalid/Unrepresentative Sample Oct 18, 2012 Jan 9, 2013 Resolved
cwa Monitoring Violations - Invalid/Unrepresentative Sample Oct 18, 2011 Mar 1, 2012 Resolved
cwa WW Storm Water Non-Construction - Failure to Conduct Inspections Oct 18, 2011 Nov 8, 2011 Resolved
cwa WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP Oct 18, 2011 Nov 8, 2011 Resolved
cwa Effluent Violations - Unauthorized Discharge Jan 2, 2011 Mar 1, 2012 Resolved
cwa Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements Feb 12, 2010 Jul 29, 2012 Resolved
cwa Management Practice Violations - Best Management Practice Deficiencies Dec 14, 2006 Mar 1, 2012 Resolved
cwa Schedule Event unachieved and not reported Apr 15, 1991 Oct 25, 1993 Resolved
cwa Schedule Event achieved late but reported Apr 15, 1991 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
Chlorine, total residual DMR, Limited - Numeric Violation 0.02 mg/L 0.02 +11% Feb 2026 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 9.40 mg/L 2.80 +236% Feb 2026 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 9.90 mg/L 7.08 +40% Feb 2026 Open
Specific conductance DMR, Limited - Numeric Violation 2,986.00 umho/cm 2,500.00 +19% Feb 2026 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 41.00 mg/L 35.00 +17% Feb 2026 Open
Chlorine, total residual DMR, Limited - Numeric Violation 0.02 mg/L 0.01 +73% Jan 2026 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 43.00 mg/L 35.00 +23% Jan 2026 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 8.10 mg/L 2.80 +189% Jan 2026 Open
Chlorine, total residual DMR, Limited - Numeric Violation 0.30 mg/L 0.02 +1,468% Jan 2026 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 9.20 mg/L 7.08 +30% Jan 2026 Open
Specific conductance DMR, Limited - Numeric Violation 3,357.00 umho/cm 2,500.00 +34% Jan 2026 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 8.90 mg/L 2.80 +218% Dec 2025 Resolved
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 40.00 mg/L 35.00 +14% Dec 2025 Resolved
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 9.90 mg/L 7.08 +40% Dec 2025 Open
Coliform, fecal general DMR, Limited - Numeric Violation 2,419.00 MPN/100mL 400.00 +99,999% Dec 2025 Open
Chlorine, total residual DMR, Limited - Numeric Violation 0.16 mg/L 0.02 +753% Dec 2025 Open
Specific conductance DMR, Limited - Numeric Violation 3,003.00 umho/cm 2,500.00 +20% Dec 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 41.00 mg/L 35.00 +17% Nov 2025 Resolved
Chlorine, total residual DMR, Limited - Numeric Violation 0.22 mg/L 0.02 +1,042% Nov 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 8.60 mg/L 7.08 +21% Nov 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 8.10 mg/L 2.80 +189% Nov 2025 Resolved
Chlorine, total residual DMR, Limited - Numeric Violation 0.07 mg/L 0.01 +491% Nov 2025 Resolved
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 8.60 mg/L 7.08 +21% Oct 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 41.00 mg/L 35.00 +17% Oct 2025 Resolved
Specific conductance DMR, Limited - Numeric Violation 2,908.00 umho/cm 2,500.00 +16% Oct 2025 Open
Chlorine, total residual DMR, Limited - Numeric Violation 0.90 mg/L 0.02 +4,642% Oct 2025 Open
Chlorine, total residual DMR, Limited - Numeric Violation 0.10 mg/L 0.01 +791% Oct 2025 Resolved
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 7.90 mg/L 2.80 +182% Oct 2025 Resolved
Coliform, fecal general DMR, Limited - Numeric Violation 5,400.00 MPN/100mL 400.00 +1,250% Sep 2025 Open
Chlorine, total residual DMR, Limited - Numeric Violation 146.00 mg/L 0.01 +1,327,173% Sep 2025 Resolved
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 6.40 mg/L 2.80 +129% Sep 2025 Resolved
Chlorine, total residual DMR, Limited - Numeric Violation 1,392.00 mg/L 0.02 +7,326,216% Sep 2025 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 564.00 MPN/100mL 126.00 +348% Sep 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 45.00 mg/L 35.00 +29% Sep 2025 Resolved
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 9.40 mg/L 7.08 +33% Sep 2025 Open
Specific conductance DMR, Limited - Numeric Violation 2,847.00 umho/cm 2,500.00 +14% Sep 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 36.80 mg/L 35.00 +5% Aug 2025 Resolved
Specific conductance DMR, Limited - Numeric Violation 3,320.00 umho/cm 2,500.00 +33% Aug 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 35.50 mg/L 35.00 +1% Jul 2025 Resolved
Specific conductance DMR, Limited - Numeric Violation 3,420.00 umho/cm 2,500.00 +37% Jul 2025 Open
Specific conductance DMR, Limited - Numeric Violation 3,284.00 umho/cm 2,500.00 +31% Jun 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 37.00 mg/L 35.00 +6% Jun 2025 Resolved
Specific conductance DMR, Limited - Numeric Violation 3,270.00 umho/cm 2,500.00 +31% May 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 37.70 mg/L 35.00 +8% May 2025 Resolved
Specific conductance DMR, Limited - Numeric Violation 3,040.00 umho/cm 2,500.00 +22% Apr 2025 Open
Specific conductance DMR, Limited - Numeric Violation 3,038.00 umho/cm 2,500.00 +22% Mar 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 45.00 mg/L 35.00 +29% Mar 2025 Resolved
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 11.00 mg/L 7.08 +55% Feb 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 45.00 mg/L 35.00 +29% Feb 2025 Resolved
Specific conductance DMR, Limited - Numeric Violation 2,725.00 umho/cm 2,500.00 +9% Feb 2025 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
Clean Air Act · Case 3601877458 · Dec 19, 2019
$35,200
Notice of Violation
Clean Air Act · Case 3601557980 · Sep 12, 2018
State Administrative Order of Consent
Clean Water Act · Case MT-FID2362 · Feb 21, 2017
$47,000
Administrative - Formal
· Case 08-2014-0137 · Sep 29, 2014
State Administrative Order of Consent
Clean Water Act · Case MT-FID2058 · Mar 1, 2012
$20,000
Civil Judicial Action
Clean Water Act · Case 08-1991-N004 · Oct 10, 1990
Judicial
· Case 08-1990-0023 · Oct 10, 1990
$185,000
Administrative - Formal
· Case 08-1989-0065 · Aug 28, 1989
$24,800

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