American Falls Reservoir, Snake River

View on Full Map View Surveys (1) View Sources (8)

Grebe Survey Summary

  • Max Adults: 231
  • Year: 2010
  • Most Recent Adults: 231
  • Year: 2010
  • Survey Type: Shore
  • Most Common Threats Reported: N/A
Lake name:
American Falls Reservoir, Snake River
Location:
Idaho
HydroLAKE ID:
775
GRanD ID:
411
Latitude:
42.779062
Longitude:
-112.873708
Surface area (km2):
199.3
Basin type:
reservoir
Dam completion date:
1977
Management agency:
Bureau of Reclamation; Idaho Department of Fish and Game; Idaho Power
Lake use:
irrigation hydroelectricity recreation
Region associations:
Upper Snake River; American Falls Reservoir District
Comments:
This reservoir and Lake Lowell in Deer Flat NWR are one of two sites with >5,000 shorebirds in more than half of all the years surveyed. The reservoir has been negatively impacted by agricultural runoff from surrounding lands.

Surveys (1)

Survey Citation:
Peterson, L. A. 1977. Colonial waterbirds in Idaho. Special Report to Idaho Department of Fish and Game. 38 pp.

  • Time period
    N/A
  • Source
    Report
  • Both Western and Clarks?
    N
Count Type Range Max Year
Max Adults 1 to 100 100 ?
Most Recent Adults 1 to 100 100 ?
Max Nests 1 to 100 presence ?
Most Recent Nests 1 to 100 presence ?
Max Chicks N/A N/A N/A
Most Recent Chicks N/A N/A N/A

Comments:

Peterson summarizes historic Western grebe nesting colonies in Idaho. No numbers nor years for this record but states that colony or colonies are at shoreline of bays.

Sources of Information

  • Messager, M. L., B. Lehner, G. Grill, I. Nedeva, and O. Schmitt. 2016. Estimating the volume and age of water stored in global lakes using a geo-statistical approach. Nature Communications 7:13603. Data is available at www.hydrosheds.org.; Lehner, B., C. Reidy Liermann, C. Revenga, C. Vorosmarty, B. Fekete, P. Crouzet, P. Doll, M. Endejan, K. Frenken, J. Magome, C. Nilsson, J.C. Robertson, R. Rodel, N. Sindorf, and D. Wisser. 2011. Global Reservoir and Dam Database, Version 1 (GRanDv1): Dams, Revision 01. Palisades, New York: NASA Socioeconomic Data and Applications Center (SEDAC).
  • Lehner, B., C. Reidy Liermann, C. Revenga, C. Vorosmarty, B. Fekete, P. Crouzet, P. Doll, M. Endejan, K. Frenken, J. Magome, C. Nilsson, J.C. Robertson, R. Rodel, N. Sindorf, and D. Wisser. 2011. Global Reservoir and Dam Database, Version 1 (GRanDv1): Dams, Revision 01. Palisades, New York: NASA Socioeconomic Data and Applications Center (SEDAC).
  • American Falls Reservoir Fish
  • American Falls Dam
  • American Falls Reservoir District
  • Explore Important Bird Areas (IBA) Interactive Map
  • American Falls Reservoir Recreation
  • Geographic Names Information System (GNIS) for Lake Earl