About Drainage System
In geomorphology, drainage systems, also known as river systems, are the patterns formed by the streams, rivers, and lakes in a particular drainage basin. They are governed by the topography of the land, whether a particular region is dominated by hard or soft rocks, and the gradient of the land.
Stonehaven derailment: Almost £1m paid in damages

... The train hit a landslide near Stonehaven after heavy rain in an area where a Drainage System had been incorrectly installed...
Has Network Rail got off lightly over train crash?

... Since then, a long investigation has tried to answer three key questions: what went wrong, who s to blame, and what can be done to prevent a similar tragedy in future? Among the specific findings, highlighted in court was the fact that a Drainage System in the area was incorrectly installed by the giant construction firm Carillion, which has since gone into liquidation...
Network Rail admits failings caused deaths in Stonehaven crash

... A Drainage System in the area had been incorrectly installed...
New tech boosts Dutch drive for sustainable farming

... " One of their solutions to combat dry weather has been to create a Drainage System which gathers excess water and pumps it underground...
First English slave fort in Africa uncovered on Ghana's coast

... " As the excavations continued, they uncovered a six-metre-long (20ft) wall, a door post, foundations and a Drainage System made of red brick...
Flood water cascades down streets in Hertfordshire after thunderstorms

... the Drainage System can be temporarily overwhelmed as the water cannot drain away fast enough, " a council spokesman said...
Joshimath: 'From two-storey house to sharing a room with five'

... Experts say the town faces the danger of sinking, which they attribute to unplanned development and a lack of proper Drainage System...
Chennai rains: Can the city withstand another urban flood?

... Others experts say that the city s current Drainage System and groundwater structures are inadequate to stop widespread waterlogging and to store rainwater for summers...