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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
Pond Reconstruction


Aravaipa Creek Fish Barrier - Preconstruction Site
Pond prior to rehabilitation.

 Aravaipa Creek Fish Barrier-Construction-Trench Excavation
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.
Aravaipa Creek Fish Barrier-Construction Reinforced Concrete Scour Walls
Plastic liner was anchored in trench.

 Aravaipa Creek Fish Barrier-Construction-Phase 1 Diversion
Previous removed soil was replaced above the plastic liner.

Aravaipa Creek Fish Barrier-Construction-Dewatering
Pond is at finished grade. Placing foundation material for concrete access ramps.

Aravaipa Creek Fish Barrier-Construction-Reinforced Concrete Piles
Concrete access ramps constructed.

Aravaipa Creek Fish Barrier-Structure Backfill
Finished pond.

Aravaipa Creek Fish Barrier- Reinforced Concrete Apron Slabs
Placement of gravel material for fish spawning.
[Project Listing]  



Last Reviewed:
August 10, 2007