Facility: The facility consists of seven underground natural gas storage reservoirs, a compressor station and gathering pipelines. The existing permitted storage area consists of about 2,828 acres.
Status: The original site certificate went into effect on Sept. 30, 1981. The facility has been in operation since 1989. There have been 10 amendments to date. Currently the facility operates under a site certificate executed on June 9, 2008.
Location: Columbia County, beginning approximately one-half mile southwest of the unincorporated community of Mist and continuing north for approximately 3.5 miles.
Applicant: NW Natural Gas Company
Contact Information
APPLICANT |
OREGON DEPARTMENT OF ENERGY STAFF |
David Weber |
Todd Cornett |
220 NW 2nd Ave. |
625 Marion St. NE |
Portland, OR 97209 |
Salem, OR 97301 |
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About Oregon’s siting process:
· For more information about Oregon’s siting process outlined in the table below, please go here.
Project Status (Table details will be updated as project progresses) |
PROJECT PHASE DETAILS |
DATE |
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Declaratory Petition: Requests EFSC declare that expansion of the facility should be reviewed as amendment #11 of the existing facility rather than an application for a new site certificate. Requests public notice be as set forth in OAR 345-027-0060
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April 8, 2013
May 23, 2013 |
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Deadline to submit petition to intervene |
June 14, 2013 |
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June 9, 2008
May 30, 2008 |
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Site certificate amendment #9: Authorizes increase to the allowed throughput to 515 million cubic feet per day (MMcfd), authorizes construction of improvements and installation of new dehydration facilities and gas quality and monitoring equipment; authorizes development of related and supporting facilities associated with new underground storage reservoirs, allows termination of vibration monitoring program created in Amendment #1.
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Dec. 8, 2003
Dec. 5, 2003 |
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Site certificate amendment #8: Authorizes increase to the allowed throughput to 317 MMcfd, authorizes installation of one new injection/monitoring well and installation of new compressor subject to carbon dioxide standards at OAR 345 Division 24.
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Nov. 14, 2001
Nov. 14, 20011 |
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Dec. 12, 2000
Nov. 27, 2000 |
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Site certificate amendment #6: Authorizes development of related and supporting facilities associated with new underground storage reservoirs, removes operating restrictions added in Amendment #4, adds new site certificate conditions associated with further development.
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April 20, 1999
March 30, 1999 |
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Site certificate amendment #5: Replaces the amendment process set forth in section VII of the original Site Certificate with the process set forth in OAR Chapter 345 Division 27. Does not make all Division 27 rules applicable, but only those related to Site Certificate Amendment process.
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March 17, 1998
March 13, 1998 |
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Site certificate amendment #4: Enlarges the site boundary, authorizes development and upgrade of related and supporting surface facilities, authorizes development and operation of new connecting pipelines, adds new site certificate conditions.
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July 21, 1997
July 21, 1997 |
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Site certificate amendment #3: Allows for the replacement of two poorly functioning injection/withdrawal wells and the addition of two new wells to increase withdrawal capacity. |
Sept. 21, 1990 |
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Oct. 2, 1988 |
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Site certificate amendment #1: Extends construction completion date, incorporates a monitoring program, adds notification requirements for certain events and clarifies other language. |
Oct. 29, 1987 |
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June 19, 1981 |
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Sept. 30, 1981 |
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