The Eastern Tule Groundwater Sustainability Agency Joint Powers Authority ("ETGSA" or "Eastern Tule GSA") is a local government agency located in Porterville, California and encompasses a 161,00+ acre jurisdiction. The Agency’s primary focus is on the sustainable management of local groundwater resources within its jurisdiction pursuant the Sustainable Groundwater Management Act ("SGMA"), and coordinating its management with other local agencies that overly the Tule Subbasin. The Agency is formed through joint powers agreement with 8 member agencies and is governed through a 9-member Board of Directors.