Land Use Program

Forms

Environmental and Geotechnical Wells and Soil Borings

• Performance Bond Information (PDF)
• Site Health and Safety Plan (PDF)
• Request for Variance (PDF)
• Authorization of Agent Form (PDF)

Onsite Wastewater Treatment System

• Alternative Septic System Approval Packet
  • Application (PDF)
  • Declaration Regarding Alternative Septic System (PDF)
  • Exhibit A (PDF)

Pumper Trucks

• Monthly Activity Report - Loads Handled in Contra Costa County (PDF)

Frequently Asked Questions

If you have a question involving this program, please check our Land Use FAQs section.

- Fee Schedule

- File a Complaint

Helpful Links

• FEMA flood plain maps
  • Search by property address
  • Search by City within Contra Costa County
• Groundwater Studies (United States Geological Survey Website)
  • Groundwater availability in the United States
  • Information on groundwater levels in the United states
  • Groundwater atlas of the United States
• State Water Resources Control Board for environmental data for regulated facilities in California
• Watershed Atlas
• California Contractor's License Board
• Proposed New Statewide Septic Regulations

Applications

• Site and Soil Application (PDF)
• Septic System Permit Application (PDF)
• Application to Construct an Alternative Sewage Disposal System (PDF)
• Well Permit Application (PDF)
• Soil Borings (PDF)
• Sewage Pumping/Hauling Permit Application (PDF)

General Information And Handouts

General

• Well and Septic System Real Estate Transaction Inspections (PDF)
• How to Apply for a Rezone, Use Permit or Land Division (PDF)
• How to Apply for a Building Permit on Lots Served by Septic Systems (PDF)

Onsite Wastewater Disposal System

• Percolation Test Policy (PDF)
• Septic Systems in Contra Costa County (PDF)
• Septic Systems Installation Checklist (PDF)
• Soil Evaluation for On-Site Wastewater Disposal (PDF)
• Septic Tank Destruction Requirements (PDF)
• Septic System Permit Process (PDF)
• Onsite Wastewater Services - Contractors and Consultants (PDF)
• Operation and Maintenance Service Providers (PDF)

Moratorium Areas and Watershed Areas

• Contra Costa County General Plan Land Use Map
• Septic Moratorium Areas (PDF)
• Septic Moratorium Map (PDF)

Environmental and Geotechnical Wells and Soil Borings

• Dewatering Wells Guidelines (PDF)
• Well Destruction Guidelines (PDF)
• Environmental and Geotechnical Wells and Soil Borings (PDF)
• The Well Permit Process (PDF)
• Well Slab Construction (PDF)
• Annular Seal and Well Destruction Materials (PDF)
• Approved Driller List as of 02/2012 (PDF)

Pumper Trucks

• Requirements for Septic Tank Pumpers and Chemical Toilet Operators

Laws and Regulations

Onsite Wastewater Disposal System

• Health Officer Regulations Chapter 420-6 (PDF)
• Contra Costa County Ordinance

Water Wells

• Ordinance (PDF)
• Regulations (PDF)

Pumper Trucks

• NEED