Land Use Development


Land UseEnvironmental Health Division

Land Use Development

The Land Use Development Team oversees new construction demand services and performs monitoring inspections for Alternative Sewage Treatment Systems (ASTS) and Winery Ponds. Demand or construction type services include permitting and/or oversight of water wells, septic systems (domestic & commercial), winery ponds, and land use development plan reviews. 

Contact: Kim Withrow, Environmental Health Supervisor

(707) 253-4471

Lobby and Reception:    Monday through Friday 7:30am-5:00pm 

Permit Assistance:          Monday through Friday 8:00am-12:00pm and 1:00pm-4:00pm* 

Same Day Permits:         Monday through Thursday 8:00am-10:00am 

         *By Appointment Only:       Monday through Friday 12:00pm-1:00pm and 4:00pm to 5:00pm 


Inspection Scheduling Hotline: (707) 253-4135



Latest news on Onsite Wastewater Systems (AB 885) (The LAMP project)


wastewater, wells, fees

Wastewater Disposal and Monitoring


Wells  (Under Construction)

  • WaterWells
  • Geothermal Wells
  • Soil Borings and Monitoring Wells

  New: Effective July 1, 2016 there are new requirements for electrical permits related to well and septic installations.

 Electrical Permit Water Well Septic Tank – No Associated Structur

 Electrical Permit Water Well  Septic Tank – With Structure   

 Well Septic Electrical Floodplain Memo