County page
Big Horn County
Big Horn County currently shows 0 Superfund sites, 81 imported facility profiles, and 26,700 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 Big Horn County.
The latest loaded TRI year is 2024, with 26,700 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
Facilities
Worst polluters and compliance pressure
Lovell Plant (western Sugar)
Violation Identified across 6 of the last 12 quarters in the imported ECHO record.
Big Horn Cooperative Marketing Association
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Cody Pit, Wyw112056
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Greybull Cemetery Pit
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Greybull River Road Pit (wyw112053)
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Mountain 433 Pit (lqd Et1583)
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Northwest Table Mountain, Wyw123828
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Basin Wastewater Lagoon
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Hyattville Service & Improvement Dist
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Shell Water Users, Inc.
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
South End Water & Sewer Dist.
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
#1 Webb-anderson
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
Byron Wastewater Lagoon
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
Burlington, Town of
Significant noncompliance across 10 of the last 12 quarters in the imported ECHO record.
Greybull Wastewater Lagoon
Significant Violation across 9 of the last 12 quarters in the imported ECHO record.
Manderson Sewer Project
Significant Violation across 9 of the last 12 quarters in the imported ECHO record.
Tom's Tire Repair
Significant noncompliance across 9 of the last 12 quarters in the imported ECHO record.
Greybull, Town of
Significant noncompliance across 8 of the last 12 quarters in the imported ECHO record.
Mcmillin Pit (lqd Sp0656)
Significant Violation across 7 of the last 12 quarters in the imported ECHO record.
Homestead Field Disposal
Violation Identified across 6 of the last 12 quarters in the imported ECHO record.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Ammonia | TRI-listed chemical | 1 | 26,687 lbs |
| Lead compounds | Metals and metal compounds | 1 | 13 lbs |
| Copper compounds | TRI-listed chemical | 1 | 0 lbs |
Violation pages
State-level violation context tied to this county
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Clean Air Act violations in Wyoming
Wyoming facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in Wyoming
Wyoming facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in Wyoming
Wyoming facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.