County page
Cheyenne County
Cheyenne County currently shows 0 Superfund sites, 46 imported facility profiles, and 0 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 Cheyenne County.
The latest loaded TRI year is 2024, with 0 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
Duke Energy - Ladder Creek Helium Plant
Significant Violation across 12 of the last 12 quarters, with $35,000 in recorded penalties.
Kit Carson Wwtf
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Mull Drilling Co Inc Sorrento Field
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Cheyenne Wells Town of
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Kit Carson Town of
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
Cheyenne Wells Sanitation Dist
Violation Identified across 9 of the last 12 quarters in the imported ECHO record.
Mattics Pit
Significant Violation across 3 of the last 12 quarters in the imported ECHO record.
Firstview Landfill
Significant Violation across 2 of the last 12 quarters in the imported ECHO record.
Anadarko E&p Co - Bledsoe 3-12
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Citation Oil & Gas - Mccormick Sec 34 Tb
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Citation Oil & Gas Corp
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Citation Oil & Gas Corp
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Citation Oil - Arapahoe Unit #137
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Citation Oil - North Mayfield 14-17
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Citation Oil - Steele 44-3
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Dcp Midstream - W Arapahoe Cs
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Denver Expansion Project
Significant Violation across 1 of the last 12 quarters in the imported ECHO record.
Williford Energy Co-rhoades Unit Plant
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Citation O & G - Frontera Gas Plant
No Violation Identified. Last recorded ECHO inspection: 2023-10-23.
Citation Oil & Gas - Arapahoe Unit 161
No Violation Identified. Last recorded ECHO inspection: 2025-10-21.
| Chemical | Group | Facilities | Total pounds |
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Violation pages
State-level violation context tied to this county
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Clean Air Act violations in Colorado
Colorado facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in Colorado
Colorado facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in Colorado
Colorado facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.