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
View on map ↗ - 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
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 | 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.