Mineral County Yucca Mountain Oversight

Mineral County stretches across parts of two of Nevada’s fourteen major hydrographic
regions or water basins (watersheds) with approximately the eastern half of the
county located within the Central Region (Hydrographic Region 10) and the remaining
western half of the county located within the Walker River Basin (Hydrographic Region
9). In addition to the two major hydrographic regions encompassing Mineral County,
the county also contains, either wholly or partially, twenty-three hydrographic areas
and hydrographic sub-areas. These hydrographic units typically consist of a single
valley or discrete drainage area within a larger hydrographic region.