Official Government Website
Expansion of the Eastern Snake Plain Aquifer (ESPA) Area of Common Ground Water Supply (ACGWS): American Falls Tributary Basin
Administrative Actions
- Aberdeen-Springfield Canal Company’s Petition Regarding Distribution of Natural Flow by Water District 01
- American Falls Groundwater Management Area Contested Case
- Application for Transfer No. 84441 in the Name of Bruce and Glenda McConnell
- Applications for Permit No. 63-34832 through 63-34838 and 63-34840 through 63-34846 All in the Name of Eden’s Gate LLC
- Basin 37 Administrative Proceeding
- Big Lost River Basin Petition for Critical Groundwater Area
- Big Wood River Ground Water Management Area Moratorium
- Bird Exceptions to Order re Permit to Appropriate Water No. 74-16187
- Boise Front Moratorium
- City of Eagle Development Water Right Information
- Complaint Regarding Watermaster in Water District 95C
- Consolidated Hearing for Water Right Applications along the I-84 Corridor between Boise and Mountain Home
- Consolidated Hearing for Water Right Applications along the I-84 Corridor between Boise and Mountain Home
- ESPA Measurement Order – Big Lost River Basin Rotation Credit
- Exceptions to Amended Preliminary Order Denying Applications for Permit Nos. 67-15292 through 67-15297, 67-15298 and 67-15300 in the name of Eckhardt Family LLLP
- Exceptions to Amended Preliminary Order in the Matter of Application for Permit 63-34348 in the Name of Elmore County
- Exceptions to the Preliminary Order Approving Transfer No. 82640 in the Name of Clinton K. Aston
- Expansion of the Eastern Snake Plain Aquifer (ESPA) Area of Common Ground Water Supply (ACGWS): American Falls Tributary Basin
- Expansion of the Eastern Snake Plain Aquifer (ESPA) Area of Common Ground Water Supply (ACGWS): Big Lost Tributary Basin
- Expansion of the Eastern Snake Plain Aquifer (ESPA) Area of Common Ground Water Supply (ACGWS): Little Lost Tributary Basin
- Expansion of the Eastern Snake Plain Aquifer (ESPA) Area of Common Ground Water Supply (ACGWS): Portneuf Tributary Basin
- Expansion of the Eastern Snake Plain Aquifer (ESPA) Area of Common Ground Water Supply (ACGWS): Raft Tributary Basin
- Foster Exceptions to Order Denying Petition to Re-Open Hearing & Preliminary Order Denying Application No. 74-16229
- Hydropower Water Right at Milner Dam
- In re Administration and Accounting of the Practice of Rotating Natural Flow Water Rights into Mackay Reservoir for Storage (Water District 34 – Big Lost River Basin)
- In re Allocation of Stored Water to City of Pocatello by Water District 01
- In re App. for Permit 77-14378, and Apps. for Transfer 85396, 85397, & 85398, and App. for Exchange 85538 in the Name of Perpetua Res. Idaho, Inc. (Perpetua Exceptions)
- In re Application for Amendment of Permit No. 63-32225 in the Name of Intermountain Sewer & Water, Corp. and Application for Transfer No. 83875, in the Name of Gregory B. Johnson
- In re Application for Transfer No. 82161 in the Name of Suez Water Idaho Inc.
- In re Apps. for Permit Nos. 63-34403, 63-34652, 63-34897, 63-34900, & 63-35522, in the Name of Cat Creek Energy, LLC
- In re Certain Basin 65 and Basin 67 Water Rights, in the Name of the United States (Paddock Valley Allotment) (Soulen Livestock Co. & Soulen Grazing Association, LLC)
- In re Certain Basin 67 Water Rights, in the Name of the United States (Crane Creek Allotment) (Soulen Livestock Co. & Soulen Grazing Association, LLC )
- In re Certain Basin 75 Water Rights, in the Name of the United States (Fourth of July Creek Allotment) (Jaycob J. & Cheyenne A. Smith)
- In re Certain Basin 79 Water Rights, in the Name of the United States (Butcher Bar and China Creek Allotments) (Gill Family Ranches, LLC)
- In re Certain Basin 79 Water Rights, in the Name of the United States (Cow Creek Allotment) (Gill Family Ranches, LLC)
- In re City of Boise Water Right Nos. 63-3013 et al. (CS Property Development LLC)
- In re Determination of Extent of Beneficial Use Made Under City of Gooding Recharge Water Right Permit No. 37-23059 During Calendar Year 2022 (Recharge Development Corp.)
- In re Integrated Municipal App. Package (“IMAP”) of Suez Water Idaho, Inc. for Apps. for Transfer of Water Rights
- In re Sylte’s Petition for Declaratory Ruling Re: Water Right No. 95-0734
- In the Matter of Riverside’s Petition for Declaratory Ruling Regarding Need for a Water Right to Divert Water Under Reuse Permit No. M-225-01
- Innovative Mitigation Solutions – Basin 37 Applications
- IWRB Applications for Managed Aquifer Recharge in the Upper Snake River Basins
- Order Designating the ESPA Groundwater Management Area
- Petition for Declaratory Ruling regarding creation of the ESPA Groundwater Management Area
- Petition for Hearing and Petition for Declaratory Ruling in the Matter of License No. 37-07842 in the Name of the Idaho Water Resource Board
- Petition for Hearing by Taylor Mountain Water and Sewer District re: Variance of Wells
- Petition for Hearing re: Appointment of Gordon Sylte as Flood Control District 17 Commissioner
- Petition Regarding Storage Reset in Water District 01 filed by Milner Irrigation District
- Petition to Amend Conjunctive Management Rule 50 with proposed boundary changes for the ESPA
- Richardson and Stickley Applications for Stream Channel Alteration Permits
- Snake River Basin Moratorium
- Water District 34 – Big Lost River Basin Rotation Credit
- WD01 Contested Case
- WD63 Contested Case
Notice
Water right changes made under the provisions of a drought declaration expire at the end of the current year unless extended or terminated by the IDWR Director.
IDWR Administrative Action
- Director’s letter regarding expansion of the Eastern Snake Plain Aquifer Area of Common Ground Water Supply – American Falls Tributary Basin—November 25, 2025
- Written Comment from Morris Lehman, Letter—April 14, 2025
- Written Comment from Hans Hayden, Letter—April 7, 2025
- Written Comment from Shoshone-Bannock Tribes, Letter—April 3, 2025
- Written Comment from Jacob Anderson, Letter—April 2, 2025
- Public Hearing—March 25, 2025
- Written Comment from Morris Lehman, Letter—March 17, 2025
- Written Comment from Morris Lehman, Letter—March 12, 2025
- Declaration of Proof of Service—March 7, 2025
- Notice of Proposed Action, Public Hearing and Written Comment Period—March 7, 2025