Las Posas Valley Water etc. v. Ventura County Waterworks etc.

Filed 3/5/

CERTIFIED FOR PUBLICATION

IN THE COURT OF APPEAL OF THE STATE OF CALIFORNIA

SECOND APPELLATE DISTRICT

DIVISION SIX

LAS POSAS VALLEY WATER 2d Civ. No. B330837 RIGHTS COALITION, (Super. Ct. No.

VENCI00509700)

Plaintiff, Cross-defendant (Santa Barbara County) and Respondent;

v.

VENTURA COUNTY

WATERWORKS DISTRICT

NO. 1 et al.,

Defendants, Cross- complainants and Respondents;

CALLEGUAS MUNICIPAL

WATER DISTRICT,

Defendant and Cross- complainant;

MAHAN DEVELOPMENT

CORPORATION et al.,

Defendants, Cross- defendants and Appellants;

FOX CANYON

GROUNDWATER

MANAGEMENT AGENCY et al.,

Defendants, Cross- defendants and Respondents.

The Las Posas Valley Water Rights Coalition, an unincorporated association comprised of landowners with claimed groundwater rights to the Las Posas Valley Groundwater Basin (Basin), initiated a comprehensive adjudication to determine all groundwater rights in the Basin. The adjudication proceeded in three phases. In phase 1, the trial court set the Basin’s initial “Total Safe Yield” and quantified the water rights for two public water suppliers. In phase 2, the court determined and allocated the…