answers from Chicago on. Very tiny bugs coming up the drain that hop a little are probably springtales...I goggled tiny little bugs that hop when I first encountered them and that's what came up.
Detention basin. A detention basin or retarding basin is an excavated area installed on, or adjacent to, tributaries of rivers, streams, lakes or bays to protect against flooding and, in some cases, downstream erosion by storing water for a limited period of time.
River Basins. A river basin is an area of land drained by a river and its tributaries. River basins have typical features, these include: Tributaries-smaller rivers flowing into a larger river. A Watershed-an area of highland surrounding the river basin.A confluence-where a river joins another river.Source-the start of a river. river basin is an area of land drained by a river and its tributaries. River basins have typical features, these include: Tributaries-smaller rivers flowing into a larger river. A Watershed-an area of highland surrounding the river basin.