County page
Laramie County
Laramie County currently shows 1 Superfund site, 156 imported facility profiles, and 6,459,567 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 Laramie County.
The latest loaded TRI year is 2024, with 6,459,567 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
F E Warren Air Force Base
F E Warren Air Force Base is in EPA's Superfund layer for Cheyenne, WY. Live ingestion currently includes the official EPA detail links and geocoded site record.
Facilities
Worst polluters and compliance pressure
Tri-state Oil Reclaimers
Significant Violation across 12 of the last 12 quarters, with $55,801 in recorded penalties.
Dyno Nobel Inc-cheyenne Plant
Significant Violation across 2 of the last 12 quarters, with $415,258 in recorded penalties.
Granite Canyon Quarry (lqd Pt0244)
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Champ Site 2 (aka Sharptail Developer; 12-1-2019)
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Albin, Town of
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Evergreen Mobile Home Park
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Hide-a-way Mobile Village
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Highland Ranch Estates
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Mcdonald's (preiss Corporation)-pump House Chlorinator
Significant noncompliance across 11 of the last 12 quarters in the imported ECHO record.
Ruben's Metals
Violation Identified across 9 of the last 12 quarters in the imported ECHO record.
United Parcel Service
No Violation Identified with $5,300,000 in recorded penalties.
Medicine Bow River Ranch Pit (lqd Et1683)
Significant noncompliance across 8 of the last 12 quarters in the imported ECHO record.
Carpenter Water & Sewer District
Significant noncompliance across 8 of the last 12 quarters in the imported ECHO record.
Brenntag Pacific, Inc.
Significant noncompliance across 7 of the last 12 quarters in the imported ECHO record.
Morandin Concrete
Significant noncompliance across 7 of the last 12 quarters in the imported ECHO record.
Orchard Valley Water Company
Significant noncompliance across 7 of the last 12 quarters in the imported ECHO record.
Pine Bluffs Wastewater Lagoon
Significant Violation across 6 of the last 12 quarters in the imported ECHO record.
Antelope Truck Stop
Violation Identified across 6 of the last 12 quarters in the imported ECHO record.
3r Gravel Pit (lqd Et1680)
Significant noncompliance across 5 of the last 12 quarters in the imported ECHO record.
Mylar Park Pump & Treat
Significant noncompliance across 5 of the last 12 quarters in the imported ECHO record.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | TRI-listed chemical | 2 | 5,054,779 lbs |
| Ammonia | TRI-listed chemical | 1 | 1,379,384 lbs |
| Formaldehyde | TRI-listed chemical | 1 | 14,326 lbs |
| Ethylene glycol | TRI-listed chemical | 1 | 8,622 lbs |
| Nitric acid | TRI-listed chemical | 1 | 1,500 lbs |
| Xylene (mixed isomers) | Volatile organic compound | 1 | 311 lbs |
| Toluene | Volatile organic compound | 1 | 167 lbs |
| n-Hexane | TRI-listed chemical | 1 | 120 lbs |
| 1, 2, 4-Trimethylbenzene | Volatile organic compound | 1 | 87 lbs |
| Cyclohexane | TRI-listed chemical | 1 | 80 lbs |
| Naphthalene | TRI-listed chemical | 3 | 62 lbs |
| Ethylbenzene | Volatile organic compound | 1 | 41 lbs |
| Benzene | Volatile organic compound | 1 | 41 lbs |
| Manganese | TRI-listed chemical | 1 | 12 lbs |
| Cumene | TRI-listed chemical | 1 | 11 lbs |
| Propylene | TRI-listed chemical | 1 | 10 lbs |
| Ethylene | TRI-listed chemical | 1 | 6 lbs |
| Biphenyl | TRI-listed chemical | 1 | 4 lbs |
| 1, 3-Butadiene | TRI-listed chemical | 1 | 3 lbs |
| Methanol | TRI-listed chemical | 2 | 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.