WASTEWATER TREATMENT PLANT

A facility containing a series of tanks, screens, filters, and other processes by which pollutants are removed from water. Most treatments include chlorination to attain safe drinking water standards.

WASTEWAY

A waterway used to drain excess irrigation water dumped from the irrigation delivery system.

WATER BAR

A diagonal ditch or hump in a trail that diverts surface water runoff to minimize soil erosion.

WATER BODY

Any significant accumulation of water.

WATER BUDGET

An accounting of the inflow to, outflow from, and storage changes of water in a hydrologic unit.

WATER COLUMN

An imaginary column extending through a water body from its floor to its surface.

WATER COLUMN STUDIES

Investigations of physical and chemical characteristics of surface water, which include suspended sediment, dissolved solids, major ions, and metals, nutrients, organic carbon, and dissolved pesticides, in relation to hydrologic conditions, sources, and transport.