Dry Facilities
Dry most of the time, these facilities contain water during and after rain storms. Water should disappear within three days after the rain stops.
Bilfiltration swale is a flat-bottomed channel where pollutants are removed by filtration, infiltration, and settling
Detention pond stormwater is temporarily stored and slowly released through an outlet pipe. Natural-appearing vegetation is common.
Filter strip is a strip of grass along paved areas such as a road or parking lot. Contaminants are filtered out of the water as it flows away.