Private water wells

• Pick a driller - the driller must possess a current and active C-57 California license. 
• Apply for permit to drill a water well and pay the application fee.
• Once a permit has been issued by our office you can drill the well. Your driller is responsible for scheduling inspections.

If you are not successful in finding water you may need apply for a permit to destroy a well.

If you want to use the water for domestic use (i.e. drinking water) apply for permit to operate a domestic water supply.

If you have a well that produces enough water, see Marin County Code Chapter 7.28 for details, you can apply for permit to operate a domestic water supply to use this water source for domestic purposes (i.e. drinking water). Your application The permit application fee needs to be included with your application. Part of the permitting process will require the water be tested to meet California Water Code Title 22 drinking standards.

Submitting your application

Submit your well drilling application and fee by email or in printed form.  You can call the number provided on this page to make payments by Visa or MasterCard.  

If you choose to hand deliver your application, please arrive 1 hour before closing to be sure we will have time to process your application.

• Marin County Code Chapter 7.28- Domestic water supply
• Local Authorities and Laws