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Marysville council approves revised Yuba Subbasins groundwater sustainability plan and opts into future updates
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Summary
The Marysville City Council voted unanimously to approve the Yuba Water Agency's revised 2025 Yuba Subbasins Groundwater Sustainability Plan and to opt into future revisions, continuing regional management under the Sustainable Groundwater Management Act.
The Marysville City Council voted unanimously to approve the Yuba Water Agency's revised 2025 Yuba Subbasins Groundwater Sustainability Plan (GSP) and to opt in to future updates, council staff said.
The vote implements a five-year update required under the Sustainable Groundwater Management Act (SGMA) and keeps Marysville aligned with the larger North Yuba Basin Groundwater Sustainability Agency led by the Yuba Water Agency.
Vincenzo Carrazza, Marysville public works director, told the council the city joined the Yuba Water Agency and Cordova Irrigation District in developing a shared plan after GSAs were established in 2015. Carrazza said local GSAs must submit updated plans every five years to the California Department of Water Resources (DWR). Representatives from Yuba Water Agency joined Carrazza for the presentation.
Matthew and agency staff explained the revised plan documents basin conditions, monitoring networks, water budgets and measurable objectives and milestones for sustainability. The presenters said the North and South Yuba subbasins are currently in healthy condition: groundwater levels have rebounded since the dry years of 2020''1 and remain within the plan's established "safe operating" criteria. Agency speakers noted monitoring wells are measured monthly and continuous transducers provide frequent data.
During questions, a council member asked whether the city can examine Marysville-specific conditions. Agency staff said the North Basin generally benefits from applied surface water in irrigated areas while the South historically relied more heavily on groundwater; the collaborative plan accounts for those differences. A consultant for the agency said groundwater levels did decline during the recent drought but remained within the plan's defined operating zone and recovered in wetter years.
Councilmember (unnamed) moved to approve the recommended action; a second was recorded. The council voted unanimously to approve the revised GSP and to opt into future revisions under the Yuba Water Agency while DWR completes its review.
Officials said DWR is in a 60-day review period for the amended plan and that the Yuba Water Agency will submit an annual groundwater report to DWR. The city will continue collaborating with the Yuba Water Agency, Cordova Irrigation District and other stakeholders while DWR completes its review.
