Marin County. Designed an on-site mound septic system for an existing residence.
Contra Costa County. Designed an on-site at-grade wastewater treatment and disposal system on a very tight site for a large new private residence.
Marin County. Designed an on-site mound septic system for an existing residence.
Contra Costa County. Designed an on-site at-grade wastewater treatment and disposal system on a very tight site for a large new private residence.