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COGIS - SPILL OR RELEASE INFORMATION

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Kawakami 32-35 FL Historical - #493488 InformationStatus: CL - 3/10/2026
Spill Type: ReleaseFacility Name/No.:Kawakami 32-35 FL Historical /
Facility Type:SPILL OR RELEASEFacility Status:CL
Date of Discovery:3/3/2026Date Closed:3/10/2026
Operator:CRESTONE PEAK RESOURCES OPERATING LLC Operator Number:10633
County:WELD  - #123Location:SWNE 35 3N67W
Doc Number:404573027Lat/Long:40.183519 / -104.856329  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:
43497
 
Spill Description:
Laboratory data indicated a historical release occurred at a flowline bell hole location. Naphthalene exceeded ECMC protection of groundwater soil screening levels. Source removal will occur and will continue under remediation number 43497.
 
Resolution:
Resolving Document:  404573027Closure Requested:  03/10/2026
Resolution:  Work Procedeing under Form 27
 
Resolution Project:
Date Approved:  11/14/2025Facility Name:  KAWAKAMI-63N67W
Date Recv'd:  11/14/2025Facility ID:  466110
Rem DocNum:  404377919Remediation Project #:  43497
Document Type:  FORM 27 qtrqtr: SENE   section: 35  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:Kawakami 32-35 FL Historical -
County Name:WELD
qtrqtr: SWNEsection: 35township: 3Nrange: 67Wmeridian: 6