These rules, including any subsequent additions and amendments, apply to waters within and contributing to the Little Spokane River basin, WRIA 55 (see WAC 173-500-040). Chapter 173-500 WAC, the general rules of the department of ecology for the implementation of the comprehensive water resources program, applies to this chapter 173-555 WAC. In the area where this rule and chapter 173-557 WAC overlap, the application of each rule shall be determined as follows:

(1) New water use from the Little Spokane River, its tributaries, and the shallow aquifer associated with the Little Spokane River and its tributaries that is not part of the SVRP aquifer shall be regulated under this rule (chapter 173-555 WAC).

(2) New water use from the Spokane Valley Rathdrum Prairie aquifer shall be regulated under chapter 173-557 WAC, Water resource management program for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) aquifer.