Basin Management Plan Implementation Update PVWMA CSN Presentation Presentation by Mary Bannister, Technical Division Manager, PVWMA (Pajaro Valley Water Management Agency, based on the Central Coast of California). For more about PVWMA, see www.pvwma.dst.ca.us April 11, 2005

Pajaro Valley WMA Boundaries

Graphic shows all wells within the PVWMA that data is collected from Data includes Water levels, Water Quality and Quantity. Monitoring network is undergoing a re-design to address the monitoring needs that will arise with the construction and operation of the new groundwater resource project that is outlined in the revised basin management plan

Seawater Intrusion Sept 2003 1998 [Cl-] 100mg/L 1966 [Cl-] 100mg/L 1951 [Cl-] 100mg/L 500 mg/L 100mg/L This slide includes progressive animation showing the pattern of seawater intrusion from 1951 to 1998. The animation will run automatically starting 3 seconds after loading.

October 2002

February 2003

July 2003

Goals of Basin Management Project Stop seawater intrusion Balance the basin Meet the water needs of the Pajaro Valley Meet cost and schedule targets

Supplemental Water Supplies Water Source Average Acre-ft/yr Recycled Water 4,000 Harkins Slough 1,100 CVP / Imported Water 13,400 Total 18,500

Project Has Won Significant Grant Funding US Bureau of Reclamation Title XVI Total of $20 million to be paid over several years California Dept of Water Resources Proposition 13 Proposition 50 Total net grant of $23 million Grant funding requires continuous project implementation

Partnerships Partnerships are key to BMP success Import water supply Santa Clara Valley WD, San Benito County WD City of Watsonville Recycling project Upper watershed opportunities Additional recycled supplies – Morgan Hill/Gilroy, Hollister, San Juan Bautista Saline groundwater management Regional watershed enhancements Soquel Creek Water supply augmentation Partnerships are key to BMP success

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