intercepting drain

intercepting drain

A drain located between the water source and the protected area.
References in periodicals archive ?
The Delhi Jal Board has announced the boosting of its sewage treatment capacity by 450 million gallons per day by raising inflow of sewage by intercepting drains and covering more colonies under its sewerage network.
The DJB commented The substantial increase in quantity of sewage treated at the sewage treatment plants (STPs) of DJB has been possible due to increased inflow of sewage by intercepting drains and covering more colonies under the sewerage network.