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COGIS - SPILL OR RELEASE INFORMATION

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Herren 1H-33H-H367 Wellhead - #492818 InformationStatus: CL - 1/14/2026
Spill Type: ReleaseFacility Name/No.:Herren 1H-33H-H367 Wellhead /
Facility Type:SPILL OR RELEASEFacility Status:CL
Date of Discovery:1/12/2026Date Closed:1/14/2026
Operator:CRESTONE PEAK RESOURCES OPERATING LLC Operator Number:10633
County:WELD  - #123Location:SENE 33 3N67W
Doc Number:404505525Lat/Long:40.183170 / -104.887234  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:
40401
 
Spill Description:
During decommissioning of the wellhead and flowline historical impacts were discovered. The stockpiled overburden was sampled and have exceedances above ECMC standards. Source removal will be scheduled.
 
Resolution:
Resolving Document:  404505525Closure Requested:  01/14/2026
Resolution:  Work Procedeing under Form 27
 
Resolution Project:
Date Approved:  4/21/2025Well Name/No.:  Herren
Date Recv'd:  4/21/2025API number:  05-123-47732
Rem DocNum:  404170326Remediation Project #:  40401
Document Type:  FORM 27 qtrqtr: SENE   section: 33  township: 3N   range: 67W   meridian: 6
 
Operator Information:
Operator:CRESTONE PEAK RESOURCES OPERATING LLC
Oper. No.10633
Address:555 17TH STREET SUITE 3700  DENVER  CO 80202
Type of Facility:SPILL OR RELEASE
Fac. Name:Herren 1H-33H-H367 Wellhead -
County Name:WELD
qtrqtr: SENEsection: 33township: 3Nrange: 67Wmeridian: 6