Hydrographic and Impairment Statistics Database: WWII
(Note: 2/8/17, updated title and unit link to use the current unit code of WWII)

Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government Performance and Results Act of 1993 (GPRA). One …