General Contact Number: (530) 621-5567

Environmental Health

Percolation Testers and Sewage Disposal Designers

Sewage disposal system designs will be accepted for review only from Registered Civil Engineers, Registered Geologists, Certified Professional Soil Scientists, or Registered Environmental Health Specialists who are knowledgeable and experienced in the field of sewage disposal system design and installation. Current license and registration have been verified for the professionals listed below.

This does not signify a recommendation or endorsement of any individual by this Department - additional designers are listed in the Yellow Pages.