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COGIS - SPILL OR RELEASE INFORMATION

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SPILL/RELEASE POINT - #492250 InformationStatus: CL - 12/1/2025
Spill Type: SpillFacility Name/No.:SPILL/RELEASE POINT /
Facility Type:SPILL OR RELEASEFacility Status:CL
Date of Discovery:11/1/2025Date Closed:12/1/2025
Operator:BISON IV OPERATING LLC Operator Number:10670
County:WELD  - #123Location:NESE 19 8N59W
Doc Number:404419942Lat/Long:40.644946 / -104.011983  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:
Leak from bottom of check valve on Separator #4 released roughly 6 bbl of produced water. Separator was immediately shut in to stop the leak and has been cleaned up. Confirmation sampling will take place during week of 11/3/2025. Facility is not in high priority habitat.
 
Resolution:
Resolving Document:  404454291Closure Requested:  12/01/2025
Resolution:  --
 
Operator Information:
Operator:BISON IV OPERATING LLC
Oper. No.10670
Address:518 17TH STREET SUITE 1800  DENVER  CO 80202
Type of Facility:SPILL OR RELEASE
Fac. Name:SPILL/RELEASE POINT -
County Name:WELD
qtrqtr: NESEsection: 19township: 8Nrange: 59Wmeridian: 6