Butte County Certified Designer

On-Site Wastewater Treatment

Commercial Systems

Civil-Environmental Engineering

Design Types

Gravel Filled Trench

Pressure Dosed (shown), or Gravity Flow

We custom design your system to fit your needs and circumstances, providing all plans, documents, and services for full agency approval and construction.


Environmental Site Assessments

Determine site pollution concerns

Compact Bed System 

Gravelless (shown), or Gravel Filled

Slope & Grade Survey

Determine initial location and layout

Bottomless Sand Filter 

Raised Bed (shown), or Recessed

Soil Classification

Establish acceptability of soil per county regulations

Secondary Treatment System Textile (shown), or Peat Media

Percolation Testing

Prove soil acceptance rate (system sizing)