Conventional Treatment System means an on-site liquid waste system utilizing both conventional treatment and conventional disposal, including privies, holding tanks, pipe and gravel trenches, proprietary drainfield products (eg. chambers), absorption beds, seepage pits and vaults.
Conventional Treatment means a septic tank where primary treatment occurs.
Conventional Disposal means a subsurface soil absorption system with gravity distribution of the effluent, with or without a lift station, constructed in accordance with the standards set forth in this regulation, including privies, holding tanks, pipe and gravel trenches, proprietary drainfield products (eg. chambers), absorption beds, seepage pits and vaults.
|Conventional Treatment||Advanced Treatment|
|Primary Treatment||Secondary Treatment||Tertiary Treatment|
||TN (mg/L) = [lot size(in acres)/design flow (in gpd)] x 30,000|
Typical Parameters for Measuring Wastewater Strength
Concrete Seepage Pit rings.
Click on tank icon to download a slide show that demonstrates how a two compartment septic tank handles solids, liquids and gases.