Diadromous is a general category describing fish that spend portions of their life cycles partially in fresh water and partially in salt water. These represent both […]

Dioxins refers to a group of toxic chemical compounds that share certain chemical structures and biological characteristics. Dioxins are highly toxic and can cause cancer, reproductive […]

The transfer of water from a stream, lake, aquifer, or other source of water by a canal, pipe, well, or other conduit to another watercourse or […]

A dam built to divert water from a waterway or stream into a different watercourse.

An arch dam that is curved both vertically and horizontally.

A conduit that carries water from a turbine runner to the tailrace. Designed to maximize head and power generation.

An embankment dam in which more than 50% of the total volume is formed of compacted earth layers which are generally smaller than 3-inch size.

An inclined trough over which water flows from above to below a dam that eels use to ascend the dam.

Massive dam created by the placement and compaction of a complex semi-plastic mound of various compositions of soil, sand, clay and/or rock, with a typically dense […]