Wash. Admin. Code § 173-201A-430

Current through Register Vol. 24-23, December 1, 2024
Section 173-201A-430 - [Effective 12/15/2024] Site-specific criteria
(1) Where the existing and designated uses for the water body would be fully protected using an alternative criterion, site-specific criteria may be adopted.
(a) The site-specific criterion must be consistent with the federal regulations on protecting uses (currently 40 C.F.R. 131.11); and
(b) The decision to approve a site-specific criterion must be subject to a public involvement and intergovernmental coordination process.
(2) The site-specific analyses for the development of a new water quality criterion must be conducted in a manner that is scientifically justifiable and consistent with 40 C.F.R. 131.11; and conducted in accordance with the procedures established in the "Water Quality Standards Handbook," EPA 2023, as revised.
(3) The decision to approve the site-specific criterion must be based on a demonstration that it will protect the existing and designated uses of the water body.
(4) Site-specific criteria are not in effect until they have been incorporated into this chapter and approved by the USEPA.

Wash. Admin. Code § 173-201A-430

Amended by WSR 24-23-037, Filed 11/14/2024, effective 12/15/2024

Statutory Authority: Chapters 90.48 and 90.54 RCW. 03-14-129 (Order 02-14), § 173-201A-430, filed 7/1/03, effective 8/1/03.