Concerning filing of adjudication claims for precode uses of groundwater and surface water in the water resource inventory area 1 water rights adjudication.

SB 5212 allows water users in Whatcom and Skagit counties (Water Resource Inventory Area 1) to file claims for long-standing groundwater and surface water uses that predate established water codes, as part of a new water rights adjudication process. It amends existing law to ensure that submitting a specific adjudication claim form satisfies the requirements for these "precode" water uses. The bill aims to apply procedures similar to those used in the Yakima basin adjudication to ensure these historical water users can participate. However, any new claims filed under this provision will be subordinate to certain established water rights, including those with permits, certificates, or federal bases.