“A cooperative, collective group of local water agencies dedicated to achieving the path to success for world class groundwater management in the Tulare Lake Hydrologic Region”

Tri-County Water Authority GSP Master Draft

Tulare Lake Subbasin Groundwater Sustainability Plan

We represent small, disadvantaged communities, production agriculture, federal and state parks, refuges, preserves and management areas, historical tribal traditions and the environment in the implementation of the California Sustainable Groundwater Management Act.

Proposition 218 Elections Engineer’s Report


Sharing ideas and resources for successful implementation of the Sustainable Groundwater Management Act.



California enacted landmark legislation in 2014 known as the Sustainable Groundwater Management Act (SGMA). The legislation provides a framework for sustainable management of groundwater supplies by local authorities.


Tri-County Territory

The Tri-County Water Authority is a non-profit joint powers agency established by the irrigation districts in the tri-county area of Tulare, Kings and Kern Counties. See if your property falls within our boundaries.


Water News and Resources

Stay current on water news, legislation updates and all the changes that can impact you and your land. Trusted information from trusted sources in the the industry that care about the fertility of the Valley ag land.

Tri-County Water Authority Became a Groundwater Sustainability Agency on June 17, 2016

A team of board members from local districts, local agencies and organizations that want to identify and implement water management solutions on a regional scale that increase regional self-reliance.


Upcoming Events
  1. Tri-County Water Authority Board Meeting

    November 7 @ 1:00 pm - 3:00 pm
  2. Cancelled – Tri-County Water Authority Board Meeting

    December 12 @ 1:00 pm - 3:00 pm
  3. Tri-County Water Authority Board Meeting

    December 18 @ 1:00 pm - 3:00 pm
  4. Tri-County Water Authority Board Meeting

    January 16, 2020 @ 1:00 pm - 3:00 pm