A conventional ED pond temporarily detains a portion of stormwater runoff for up to twenty-four hours after a storm using a fixed orifice. Such extended detention allows urban pollutants to settle out. The ED ponds are normally dry between storm events and do not have any permanent standing water.
EXTENDED DETENTION (ED) POND
Meaning of EXTENDED DETENTION (ED) POND in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012