828 Seventh Street, Eureka, California (707)443-5018

About us

The HBMWD operates two separate and distinct water systems: a domestic water system which supplies treated drinking water; and an industrial system which supplies untreated raw water to large industrial users for industrial purposes.

Current facilities and operations of the HBMWD include:

  • R.W. Matthews Dam which forms Ruth Reservoir in southern Trinity County
  • Gosselin Hydro-Electric Power House at Matthews Dam
  • Diversion, pumping and control facilities adjacent to the Mad River near Essex at the John R. Winzler Pumping and Control Center
  • Storage and treatment facilities
  • Two separate and distinct pipeline systems which deliver treated drinking water or untreated raw water to the HBMWD's customers.