Wanapum Maintenance Center Septic System Upgrades

This project consists of the construction of an on-site septic system. Construction included the installation of two 6,000 gallon septic tanks, a 7,000 gallon dosing tank, duplex dosing pump system, gravity sewer and pressurized distribution system piping, 3,500 square feet of sandlined pressurized drainfield with gravelless chambers, flowmeter and distributing valve vaults, and electrical and automatic control systems.

  • Location: ----
  • Owner:Grant County PUD
  • Engineer: RH2 Engineering, Inc.
  • Status: Completed in 2014