Environmental Law & Policy Alerts – Update from Somach Simmons & Dunn

September 4, 2025

2025 Developments with the State of Idaho’s Regulation of ESPA Groundwater Pumping 

SSD Environmental Alerts in 2023 and 2024 reported on the Idaho Department of Water Resources’ (IDWR) administration of the Surface Water Coalition’s (SWC) delivery call on Eastern Snake Plain Aquifer (ESPA) groundwater users. This Alert reports on IDWR’s administration of the SWC delivery call in 2025 and the status of an appeal pending before the Idaho Supreme Court regarding the current iteration of the “Methodology Order” that is IDWR’s tool to administer junior ESPA groundwater pumping … Read More

Written by Maximilian C. Bricker