County page
Yellowstone County
Yellowstone County currently shows 2 Superfund sites, 228 imported facility profiles, and 727,310 lbs in loaded TRI releases.
Overview
What this county page is saying
This live county page is generated from the ingested EPA datasets. It merges ECHO facility compliance rows, TRI release totals, and any Superfund sites attached to Yellowstone County.
The latest loaded TRI year is 2024, with 727,310 lbs in county-level on-site releases tied to the imported facility set.
Focus points
Design and product notes
County pages combine facility compliance history with chemical release totals.
TRI chemistry shows what is being reported, while ECHO shows who keeps drawing enforcement attention.
Superfund records add legacy cleanup context even when live contaminant detail is still sparse.
Superfund layer
Cleanup sites in this county
Billings Pce
Billings Pce is in EPA's Superfund layer for Billings, MT. Live ingestion currently includes the official EPA detail links and geocoded site record.
Lockwood Solvent Ground Water Plume
Lockwood Solvent Ground Water Plume is in EPA's Superfund layer for Billings, MT. Live ingestion currently includes the official EPA detail links and geocoded site record.
Facilities
Worst polluters and compliance pressure
Western Sugar Cooperative
Significant Violation across 12 of the last 12 quarters, with $38,000 in recorded penalties.
Ups - Billings
Violation Identified across 12 of the last 12 quarters, with $5,300,000 in recorded penalties.
Chs Inc Laurel Refinery
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Par Montana, Llc - Billings Refinery
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Chs Inc
Violation Identified across 8 of the last 12 quarters, with $138,600 in recorded penalties.
Montana Sulphur & Chemical Co
Violation Identified across 9 of the last 12 quarters in the imported ECHO record.
Federal Express - Zbill
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
H-e Parts International, Mining Solutions Inc.
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Virginia City Water Dept
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Yellowstone Energy Power Plant
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Callaways Blue Creek Feeders
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
City of Billings Wastewater Treatment Plant
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
City of Laurel Waste Water Treatment Plant
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Hilder Herd Properties Co Maart 3-2 Site
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Huntley Feeders
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Razor Creek Farms
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Rinker Materials
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Spring Creek Rock Quarry
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Thompson Cattle Company
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Town Pump Travel Plaza
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Ammonia | TRI-listed chemical | 5 | 244,167 lbs |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | TRI-listed chemical | 4 | 113,883 lbs |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | TRI-listed chemical | 1 | 45,833 lbs |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 2 | 42,000 lbs |
| n-Hexane | TRI-listed chemical | 4 | 40,395 lbs |
| Hydrogen sulfide | TRI-listed chemical | 5 | 32,360 lbs |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 2 | 28,874 lbs |
| Xylene (mixed isomers) | Volatile organic compound | 4 | 27,933 lbs |
| Toluene | Volatile organic compound | 4 | 26,479 lbs |
| Propylene | TRI-listed chemical | 3 | 25,317 lbs |
| Diethanolamine | TRI-listed chemical | 2 | 18,220 lbs |
| Ethylene | TRI-listed chemical | 2 | 12,847 lbs |
| Benzene | Volatile organic compound | 4 | 12,476 lbs |
| Methanol | TRI-listed chemical | 4 | 10,063 lbs |
| Ethylene glycol | TRI-listed chemical | 2 | 8,800 lbs |
| 1, 2, 4-Trimethylbenzene | Volatile organic compound | 4 | 8,326 lbs |
| Ethylbenzene | Volatile organic compound | 4 | 5,390 lbs |
| Cyclohexane | TRI-listed chemical | 3 | 5,027 lbs |
| Hydrogen fluoride | TRI-listed chemical | 3 | 3,335 lbs |
| Naphthalene | TRI-listed chemical | 3 | 3,174 lbs |
Violation pages
State-level violation context tied to this county
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Clean Air Act violations in Montana
Montana facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in Montana
Montana facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in Montana
Montana facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.