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Phoenix Area Office

Native Aquatic Species of the Gila River Basin
in Arizona and New Mexico

The Nature Conservancy (TNC)
Lower San Pedro River Preserve
Small Pond Reconstruction


San Pedro River Preserve - pond prior to rehabilitation
Pond prior to rehabilitation.

San Pedro River Preserve - Earthen work and lining installation
Vegetation along with 1 foot of soil from the bottom and 5 feet of soil from the perimeter berm was removed. Plastic liner was installed.

San Pedro River Preserve - Plastic Liner was Anchored in a Trench
Plastic liner was anchored in trench.

San Pedro River Preserve - Displaced soil is placed above the plastic lining
Previous removed soil was replaced above the plastic liner.

San Pedro River Preserve - Placed foundation material for concrete ramps
Pond is at finished grade. Placing foundation material for concrete access ramps.

San Pedro River Preserve - Concrete Ramps within the Pond Were Constructed
Concrete access ramps constructed.

San Pedro River Preserve - Rehabilitated Smaller Pond
Finished pond.

San Pedro River Preserve - Placement of Gravel Material for Fish Spawning in Rehabilitated Pond
Placement of gravel material for fish spawning.

[Project Listing]  


Last Reviewed:
December 22, 2009

Webmaster:
Joseph J. Billerbeck - jbillerbeck@usbr.gov