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Lake Texoma Outfall to Wylie WTP Pipeline


Wylie, TX


$281 M

Delivery Method

  • CMAR

Client Type


Project Type

  • Pipeline
  • Pump Station
  • Tank
  • Site Work
  • Marine
APWA 2016 Public Works Project of the Year in Water/Wastewater
VE provided Owner $15 million in savings
522,000+ man-hours

Garney provided CMAR services on this project for North Texas Municipal Water District (NTWMD). Growing population, coupled with periodic severe drought conditions, required NTMWD to have full access to its surface water stored in reservoirs on a permanent reliable basis. When one of NTMWD’s key storage reservoirs was infested with zebra mussels, their ability to access the water stored in the reservoir and transmit to the reservoir local to their treatment facilities was limited by the federal government. This meant a new transmission and storage method was required to access 28% (100 MGD) of its total capacity. This project included 253,500 LF of 96” and 84″ steel pipe, 6,000 LF of 78″ to 102″ liner plate hand mined tunnels, 240 MG balancing reservoir with HDPE membrane liner, 200 MG blending facility, numerous ground storage tanks, and chemical feed systems.

Texas Public Works Project of the Year, 2014  APWA
Public Works Project of the Year (Disaster or Emergency Construction Repair >$75 million), 2016 APWA

ENR Contractor Business Quarterly, 2016  Engineering News-Record
$300 Million Pipeline is Soggy in North Texas, 2013 ENR Texas & Louisiana