Stonehurst Subdivision, Contra Costa County

Prepared an evaluation of the sewerage system of an upscale subdivision containing 47 lots. Each house has a septic tank. The effluent from the septic tanks is treated in a recirculating gravel filter and then disposed of in a series of leach fields. The original...

Mariposa County, CA

Lead engineer on design of a $5 million, EPA Clean Water Grant funded project for three small communities in Mariposa County, CA. Each house had an individual septic tank but disposal was in the community mound systems. At the time, it was the largest mound system...