Lexique beginning with O

Oil separator

System for treating loaded water. It separates oil from runoff

Onsite sewage system

On-site sanitation is the treatment and disposal of domestic waste water that cannot be carried away by an off-site sanitation system because of low density of population. Generally, it includes a septic tank and a treatment system, often a septic drain field.

Oyster farming

Techniques and processes used for oyster farming