A system of pipe and/or pervious material along the downstream toe of a dam used to collect seepage from the foundation and embankment and convey it […]

Un dispositif électromagnétique utilisé pour modifier la tension du courant alternatif.

At dams and places where it is not practical to install a fish ladder, a trap and haul operation can be used to move fish upstream […]

Un support ou un écran de barres parallèles installé à une prise d'eau pour empêcher les débris de pénétrer dans un canal ou une turbine.

La mesure dans laquelle l’eau est devenue trouble en raison des sédiments en suspension.

Categories of waters defined by states or tribes in their water quality standards that are based on the water’s suitability for different uses such as irrigation, […]

Lands including swamps. marshes, bogs, and similar areas such as wet meadows, river overflows, mud flats, and natural ponds. An area characterized by periodic inundation or […]

White-nose syndrome (WNS) is the fungal disease killing bats in North America. Research indicates the fungus that causes WNS, Pseudogymnoascus destructans, is likely exotic, introduced from Europe. […]

Aubes réglables qui contrôlent le débit d'eau vers une turbine.