Relating to the Walla Walla basin.

Changed the digest summary to reflect the new water right conversion program instead of just funding projects.

Added specific eligibility requirements for water districts, including proof of full water diversion, compliance with measurement requirements, and voluntary cancellation of forfeitable acres.

Established new procedures for the Water Resources Department to review applications, including public notice periods and injury assessment criteria.

Added lease terms that prohibit districts from increasing irrigated acres or consumptive water use during the lease period.

Created a mechanism for the department to terminate leases if they cause injury to existing water rights, with water rights reverting to original terms.

Added a sunset provision repealing the Act on January 2, 2030.

Removed the original digest summary that only mentioned funding amounts without describing the new program.