BENTON CLEAN AIR AGENCY RECEIVED A SEPA APPLICATION FROM NORTHWEST PIPELINE LLC TO REPLACE AGING VAPORIZERS WITH FOUR NEW VAPORIZERS AT THEIR EXISTING FACILITY LOCATED AT 42612 CHRISTY RD. PLYMOUTH, WA 99346 IN BENTON COUNTY.
Permit Applicant:
Northwest Pipeline LLC
42612 Christy Rd.
Plymouth, WA 99346
Northwest Pipeline LLC is proposing to replace aging vaporizers with four new vaporizers at their existing facility. This project triggers a review of the proposal by BCAA under Washington Administrative Code (WAC) 173-400-110. An Order of Approval from
the BCAA is required. The final Order will contain conditions under which the facility must
operate to be in compliance with the local, state, and federal clean air regulations.
The lead agency for this proposal has determined that it does not have a probable significant adverse impact on the environment. An environmental impact statement (EIS) is not required under RCW 43.21C.030(2)(c). This decision was made after review of a completed environmental checklist and other information on file with the lead agency. This information is available to the public on request. This DNS is issued under 197-11-340(2); the lead agency will not act on this proposal for 15 days from November 4, 2025. Comments must be submitted by November 15, 2025.
Northwest Pipeline LLC SEPA and DNS 25-005
Tyler Thompson, Air Quality Engineer
Benton Clean Air Agency
526 S. Steptoe St.
Kennewick, WA 99336
Ph: 509-783-1304
Fax: 509-783-6562

