Stagecoach Reservoir

Stagecoach Reservoir


Adams County, Colorado
The Stagecoach site is a future gravel mine located near Henderson, Colorado, in Adams County.


Test pit work for soil investigation at Stagecoach Reservoir.

The mine will be reclaimed as a water storage reservoir when mining is complete. The reservoir liner was designed as a soil-bentonite slurry wall approximately 7,000 feet long.


Soil-bentonite slurry wall being excavated with a long-stick trackhoe.

Engineering services provided include:

  • Geotechnical investigation with soil and bedrock sampling and testing.
  • Field permeability testing of the bedrock.
  • Borrow investigation studies.
  • Slope stability and seepage analysis.
  • Development of construction drawings.
  • Development of technical specifications.
  • Construction related engineering services.

Client:  Lafarge West, Inc.

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