Visit IDWR’s News Page to view current press releases.
Methodology for Determining Material Injury
On April 21, 2023, the Department issued a revised Methodology for Determining Material Injury to Reasonable In-Season Demand and Reasonable Carryover in the Surface Water Coalition Delivery Call.
The 5th Amended Methodology Order and the April 2023 Forecast Supply Methodology (Steps 1-3) Order are available to view and download on IDWR’s Surface Water Coalition Delivery Call page.
Priest Lake Water Levels and Outlet Dam Operations
Throughout the year, IDWR posts updates on Priest Lake water levels and outlet dam operations. To view the April update on Priest Lake, visit IDWR’s Lake Management page.
Treasure Valley Groundwater Flow Model
In January, the USGS and IDWR completed the Treasure Valley Flow Model depicting how groundwater flows in the aquifers beneath the Treasure Valley. The model is available for the public to use on the USGS’s website.
IDWR receives many questions regarding the management of groundwater resources in the state, including domestic wells. To help answer those questions and more, IDWR compiled this Groundwater Frequently Asked Questions (FAQs) document.
IDWR Negotiated Rulemaking
The Department is reviewing its administrative rules, consistent with the Governor’s Zero Based Regulation, Executive Order 2020-01. For more information visit, IDWR’s Rulemaking page or follow the links below for specific rulemaking activities.
IDWR is sending out commencement notices for the Bear River Basin Adjudication in 5 mailing groups through 2023/2024.
File Online – The new online portal to file an Adjudication Claim or submit a Water Right Application for Permit is now available. Printable forms are available here.