Washington Administrative Code
Title 173 - Ecology, Department of (See also Titles 197, 317, 372, and 508)
Chapter 173-218 - Underground injection control program
Section 173-218-060 - Requirements to operate a UIC well
Current through Register Vol. 24-06, March 15, 2024
To operate an existing or new UIC well in Washington, the UIC well must be registered and either rule authorized or receive a state waste discharge permit from the department to operate, except as noted below, and the following must be met:
(1) Class I UIC wells are prohibited and must be decommissioned.
(2) Class II UIC wells must be registered and have a state waste discharge permit issued by the department to operate, and the following must occur:
(3) Class III UIC wells are prohibited and must be decommissioned.
(4) Class IV UIC wells that are not prohibited (see WAC 173-218-040 ) must be registered and approved under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) or the Resource Conservation and Recovery Act (RCRA), 40 C.F.R. 144.13(a)(4)(c). Approved Class IV UIC wells are wells used at:
(5) Class V UIC wells, except as noted below, must be registered and either rule authorized (see WAC 173-218-070 ) or receive a state waste discharge permit issued by the department to operate including wells used in independent remedial actions under MTCA. The following Class V wells do not need a permit but do have to register with the UIC program if they are authorized in accordance with:
Statutory Authority: Chapters 43.21A and 90.48 RCW. 06-02-065 (Order 01-10), § 173-218-060, filed 1/3/06, effective 2/3/06. Statutory Authority: RCW 43.21A.445. 84-06-023 (Order DE 84-02), § 173-218-060, filed 2/29/84.