County page
Niobrara County
Niobrara County currently shows 0 Superfund sites, 27 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 Niobrara 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
Boner Bros. Pit
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
District 3 Maintenance Facilities
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Timberline Manville Quarry (lqd Sp0712)
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Wilson Pit
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Lance Creek Field, Bell Edgemont Facility
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Trailhead 3, Phase 7
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Lance Creek Water District
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Manville, Town of
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Lance Creek Apex 1&4 Consolidated
Significant Violation across 8 of the last 12 quarters in the imported ECHO record.
East Lance Creek Unit A Battery
Significant Violation across 4 of the last 12 quarters in the imported ECHO record.
Prairie View Campground
Inactive across 4 of the last 12 quarters in the imported ECHO record.
Finley State 1-36 & 2-36
Significant noncompliance across 3 of the last 12 quarters in the imported ECHO record.
Bell Pasture Roads
Significant Violation across 3 of the last 12 quarters in the imported ECHO record.
Lance Creek Apex 2 Battery
Significant Violation across 3 of the last 12 quarters in the imported ECHO record.
Lance Creek Field, O'rohlff Battery (lance Creek Sheep Central Tank Battery)
Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
Leimser Lease Battery
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
North Ant Hills Wells
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Seedy Draw Well (hanson 43-12)
Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Boldon Diesel Service, Llc
No Violation Identified. Last recorded ECHO inspection: 2022-08-09.
Buck Creek Fed #11-17
No Violation Identified. Last recorded ECHO inspection: 2025-08-27.
| 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 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.