Opal Springs Hydroelectric Project & Fish Passage Improvements

Opal Springs 01Modify the existing Opal Springs Hydroelectric project. Construct new vertical slot fish ladder, modify the existing diversion crest to increase the pool impoundment elevation, install horizontal drains, pre-stressed ground anchors (to support fish ladder construction), mass excavation and install a temporary shoring wall along the river abutment. Install open standpipe piezometer, pneumatic crest gate and control building, compressors, piping, fiber optics, electrical, and tie in to the existing project control system, construct a spillway chute, and modify the existing powerhouse intake and left abutment.

  • Location: Madras, OR
  • Cost: 9,328,777
  • Owner: Deschutes Valley Water District
  • Designer: CH2MHill/Otak
  • Construction Period: 12/2017 - 12/2019