H:
Hydrology Technical Group - Carries out a variety of research on groundwater movement and the effects of dams [Department of Energy (DOE), Pacific Northwest National Laboratory (PNNL)]

Hydropower Program - Reviews efforts to improve the technical, societal, and environmental benefits of hydropower [Department of Energy (DOE), Idaho National Laboratory (INL)]

M:
Managing water in the American West - Science and Technology Program. [Department of the Interior, Bureau of Reclamation]