For the more information about water resources in the National Park Service, please visit

WRD Technical Reports - Pacific West Region

[+] American Samoa

National Park of American Samoa (NPSA)

A Survey of Laufuti Stream, Taú Island, National Park of American Samoa, 2001 (7.17 MB PDF)

[+] California

Channel Islands National Park (CHIS)

Federal Interagency Riparian Assessment and Recommendations for Achieving Water Quality Management Goals, Santa Rosa Island, Channel Islands National Park, 1998 (18.8 MB PDF)
Preliminary Hydrologic and Geomorphic Analysis: Scorpion Creek Flood, December 5, 1997, Santa Cruz Island, Channel Islands National Park, California, 1998 (11.4 MB PDF)
Riparian System Recovery After Removal of Livestock From Santa Rosa Island, Channel Islands National Park, California, 2004 (2.87 MB PDF)

Death Valley National Park (DEVA)

Ground-water Level Fluctuations in Devils Hole: 1962-1999, Regional Stresses and Water-level Changes in the Death Valley Region, 2005 Reprint (35 MB PDF)

Golden Gate National Recreation Area (GOGA)

Hydrogeology of the Muir Beach Community Services District Well Site, Frank Valley, Redwood Creek, California, Golden Gate National Recreation Area, 2000 (19.5 MB PDF)

John Muir National Historic Site (JOMU)

Stability of Alhambra Creek at the John Muir Gravesite, John Muir National Historic Site, 2002 (10.4 MB PDF)
Watershed Condition Assessment of Sub-drainage Zone No. 1167, John Muir National Historical Site, Martinez, California, 2000 (15.6 MB PDF)

Mojave National Preserve (MOJA)

History of Water Development, Hole-In-The-Wall Area, Mojave National Preserve, 2002 (7.64 MB PDF)

Whiskeytown National Recreation Area (WHIS)

Geochemical Investigation of Source of Saline Groundwater at Springs Associated with Puccinellia howellii Habitat, Whiskeytown National Recreation Area, Shasta County, California, 2007 (3.54 MB PDF)

Yosemite National Park (YOSE)

Analysis of the Effect of Proposed Site Reclamation on the Water Regime of Sequoiadendron Giganteum, Merced and Tuolumne Groves, Yosemite National Park, California, 1991 (463 kB PDF)
Analysis of the Hydrologic, Hydraulic and Geomorphic Attributes of the Yosemite Valley Flood: January 1-3, 1997, 1997 (20.9 MB PDF)
Prediction of the Effects of Restoration of El Capitan Moraine, Yosemite National Park, 1995 (5.12 MB PDF)

     Guam - No reports exist
     Hawaii - No reports exist
     Idaho - No reports exist
[+] Nevada

Lake Mead National Recreation Area (LAME)

The Effects of Tamarisk Removal on Diurnal Ground Water Fluctuations, 1996 (7.13 MB PDF)

[+] Oregon
[+] Washington

Last Updated: January 20, 2012