Tri-Valley Groundwater Management District

The Tri-Valley Groundwater Management District meets regularly to discuss groundwater issues in the communities of Benton, Hammil Valley and Chalfant.

Board of Directors:

  • Carol Ann Mitchell
  • Phillip West, Chairperson
  • Geri Bassett, Secretary, Vice-Chairperson
  • Greg Allen, Secretary-Treasurer 
  • Andy Puhvel
  • Edward Parkinson
  • Vacant
  • Rhonda Duggan, District 2 Supervisor

Advisory Board:

  • Gina Barsi
  • Dennis Murphy
  • Betsy McDonald
  • Amy SheltonSaladin

Mailing Address:

123B Valley Rd. 

Bishop, CA 93514


For more information see