Well permits are required for the construction, modification, destruction, and testing of wells and boreholes within the ACPWA service area. Apply online or by mail and submit your application at least 10 business days before drilling begins.
What Requires a Drilling & Well Permit?
- New wells
- Replacement wells
- Monitoring wells
- Test holes
- Well destruction
- Well modifications
- Boreholes
- Geotechnical drilling
Before You Apply
You’ll Need
- Verify your project is within the ACPWA service area.
- Gather well specifications and site information.
- Property owner information.
- Project site map.
- Review application requirements.
Processing Time
Submit applications at least 10 business days before the planned start of work.
Mail-in applications should be received 10–15 business days before work begins.
How to Apply
Verify Project Location
Confirm your project is within the ACPWA service area.
Choose Application
Select the online or printable application.
Submit Application & Fee
Submit your completed application, supporting documents, and required fees.
County Review
Staff reviews the application and supporting information.
Permit Issued
Receive your permit before drilling begins.
Service Area
ACPWA issues Well & Drilling permits for projects located in:
Alameda
Albany
Castro Valley
Emeryville
Hayward
Oakland
Piedmont
San Leandro
San Lorenzo
Applications & Resources
Need Help?
Location & Hours
399 Elmhurst Street
Hayward, CA 94544
Monday – Friday
8:30 am – 5:00 pm