Santa Rosa Plain GSA Contracted Staff

Contracted Staff

Water Agency Community & Government Affairs Manager Ann DuBay serves as the temporary Interim Administrator, through a contract with the Santa Rosa Plain GSA. The Administrator oversees scheduling and staffing board and advisory committee meetings, the budget, contracts and day-to-day functioning of the GSA. To contact Ann DuBay, email

Through a contract with the GSA, the Sonoma County Water Agency provides technical services to develop the Groundwater Sustainability Plan. Jay Jasperse, chief engineer and groundwater manager for the Sonoma County Water Agency, serves as plan manager. To contact the plan manager, email The Water Agency also provides grant writing and outreach and communication services for the GSA. For questions on outreach and communications, contact or 524-8378.