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Facility Detail

COGIS - SPILL OR RELEASE INFORMATION

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State Antelope 11-2HZ - #492258 InformationStatus: CL - 10/29/2025
Spill Type: ReleaseFacility Name/No.:State Antelope 11-2HZ /
Facility Type:SPILL OR RELEASEFacility Status:CL
Date of Discovery:10/27/2025Date Closed:10/29/2025
Operator:BONANZA CREEK ENERGY OPERATING COMPANY LLC Operator Number:8960
County:WELD  - #123Location:NWNW 2 5N62W
Doc Number:404413359Lat/Long:40.436121 / -104.297889  Source: ACTUAL based On LatLong
Municipality
(if within municipal boundaries):
--
Waters of the State: Impacted Media:
Related Remediation Project Number
if work proceeding under an approved Form 27:
N/A
 
Spill Description:
While conducting facility decommissioning activities at Bonanza Creek's State Antelope 11-2HZ, historical impacts were discovered.
 
Resolution:
Resolving Document:  404413359Closure Requested:  10/29/2025
Resolution:  Work Procedeing under Form 27
 
Operator Information:
Operator:BONANZA CREEK ENERGY OPERATING COMPANY LLC
Oper. No.8960
Address:555 17TH STREET SUITE 3700  DENVER  CO 80202
Type of Facility:SPILL OR RELEASE
Fac. Name:State Antelope 11-2HZ -
County Name:WELD
qtrqtr: NWNWsection: 2township: 5Nrange: 62Wmeridian: 6