Mission Springs Water Dist. v. Desert Water Agency
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The case revolves around a dispute between two local water management agencies, Mission Springs Water District (Mission Springs) and Desert Water Agency (Desert Water), over who should be the regional groundwater sustainability agency (GSA) responsible for managing groundwater in the Coachella Valley region of Riverside County, California. The dispute arose from the implementation of the Sustainable Groundwater Management Act, which requires the creation of GSAs to manage groundwater basins. Desert Water claimed to be the exclusive GSA within its statutory boundaries, which encompass most of Mission Springs' boundaries. Mission Springs challenged this claim and also sought resolution of competing claims to GSA authority for an additional three-square-mile area outside of Desert Water’s statutory boundaries.
The Superior Court of Riverside County ruled in favor of Desert Water and the California Department of Water Resources (the Department), denying Mission Springs' petition for a writ of mandamus. Mission Springs appealed the decision.
The Court of Appeal, Fourth Appellate District Division One State of California, affirmed the lower court's decision. The court found that Desert Water did not violate any provisions of the Water Code by becoming a GSA. It also found that Desert Water did not form a new public corporation or public agency within Mission Springs’ jurisdiction by becoming a GSA, and therefore did not violate section 30065 of the Water Code. The court further held that the Department did not err in posting Desert Water’s notice of intent to become a GSA, as Desert Water had complied with all notice requirements. Finally, the court found that the Department was not responsible for resolving the overlapping claims to the three-square-mile area, as the Act requires the agencies to resolve this dispute themselves.
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