Water School

A 50-year flood is a high streamflow that overflows the natural or artificial banks of a waterway and has a two percent chance of occurring in any given year.

A 10-year flood is a high streamflow that overflows the natural or artificial banks of a waterway and has a 10% chance of occurring in any given year.

The height above mean sea level that water in a reservoir has reached. Brazos River Authority and U.S. Army Corps of Engineers lakes are actually reservoirs, or parts of the Brazos River basin impounded by dams. (A free-flowing river is measured in stages, that is, by depth from the river bed to the surface.)

Datum is the basis for relating a river's stage to mean sea level. (datum + stage = elevation in feet above mean sea level)

A river's bank is the sloping ground that borders the watercourse and confines the water in the natural channel when the water level, or flow, is normal.

Rainwater harvesting is both legal and encouraged in the state of Texas. Multiple laws support the collection of rainwater by both private and public entities. For example, Texas Property Code prevents homeowners associations in the state from prohibiting rainwater harvesting systems for personal use. Additionally, Texas requires new state facilities to add rainwater harvesting systems in their designs, according to the Texas Water Development Board.Rain Barrel    Here are so...