University of Central Florida
Civil and Environmental Engineering
CWR4101 Hydrology
Stormwater Control Pictures

Typical Retention Pond
E-W Expressway near Lake Underhill

Retention Pond
Ravens Crossing, Altamonte Springs

Note that infiltration/percolation is the primary means of water leaving the pond. Most retention ponds have no outfall structure or an outfall structure that is primarily for flood control only. The primary means of getting water from the pond is infiltration.