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Read. Follow. Verify.Idaho House Bill 676 authorizes municipal geothermal water use and reinjection requirements
Last action · March 20, 2026: Reported Signed by Governor on March 19, 2026 Session Law Chapter 65 Effective: 07/01/2026
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What This Bill Does
Idaho law is amended to explicitly include low-temperature geothermal water heating and cooling as municipal purposes, provided that diverted water is reinjected into the same aquifer. The legislation outlines application requirements for municipal water providers, establishes criteria, and takes effect on July 1, 2026.
Municipal water providers and developers utilizing geothermal energy must comply with new statutory standards for water rights applications, service area definitions, and mandatory reinjection protocols.
- Idaho water appropriation and management are governed by state statutes administered through the Idaho Department of Water Resources. context
- House Bill 676 was processed through the Idaho Legislature during the 2026 Second Regular Session, receiving enactment in March 2026. context
Who It Affects
Groups the bill's text affects, as described in the record. Being affected is not a position for or against it.
Municipal water providers
Must fulfill new documentation and reinjection requirements when acquiring or changing water rights for geothermal heating and cooling.
Agricultural water users
Protected by statutory limits preventing the conversion of agricultural water rights to other uses if it significantly impacts the local agricultural base.
Idaho Department of Water Resources
Tasked with reviewing, investigating, and approving or denying applications for water appropriations, changes, and extensions based on updated statutory definitions.
Key Facts
- Low-temperature geothermal water heating and cooling are classified as municipal purposes if provided by a municipality from a low temperature geothermal water source, used non-consumptively, and compliant with section 42-233, Idaho Code.
- Applications for reasonably anticipated future needs involving geothermal heating and cooling must demonstrate where and how injection of the diverted low-temperature geothermal water is or will be accomplished.
- Municipal providers must reinject diverted low-temperature geothermal water back into the same aquifer from which it was diverted.
- A municipality is obligated to supply geothermal heating and cooling only to users approved for service in accordance with local codes and policies.
Show all 8 facts
- Portions of a water right held by a municipal provider for reasonably anticipated future needs at the time of a change shall not be changed to a place of use outside the service area or to a new nature of use.
- The Director of the Department of Water Resources must not approve a change in the nature of use from agricultural use if it would significantly affect the local agricultural base.
- All rights to the use of water are lost and forfeited by a failure for five consecutive years to apply it to beneficial use, subject to specific statutory exemptions and extension procedures.
- The act declares an emergency and establishes an effective date of July 1, 2026.
Frequently Asked Questions
What constitutes a municipal purpose under the updated law regarding geothermal water?
What is required for municipal water providers seeking water for future geothermal needs?
Can water rights for agricultural use be freely changed to municipal use under this act?
What else do you want to know?
News Coverage
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Votes, people, money & the original sourceWhere This Stands
Current status: Signed into law.
Procedural history
17 actions- Mar 20, 2026EnrolledReported Signed by Governor on March 19, 2026 Session Law Chapter 65 Effective: 07/01/2026
- Mar 19, 2026Delivered to Governor at 4:22 p.m. on March 18, 2026
- Mar 18, 2026Returned Signed by the President; Ordered Transmitted to Governor
- Mar 18, 2026Signed by President; returned to House
- Mar 18, 2026Received from the House enrolled/signed by Speaker
- Mar 17, 2026Reported Enrolled; Signed by Speaker; Transmitted to Senate
Show 11 earlier actions
- Mar 17, 2026FloorReturned from Senate Passed; to JRA for Enrolling
- Mar 16, 2026FloorRead third time in full – PASSED - 35-0-0 AYES – Adams, Anthon, Bernt, Bjerke(Bjerke), Blaylock, Burtenshaw, Carlson, Cook, Den Hartog, Foreman, Galloway, Grow, Guthrie, Harris, Hart, Keyser, Kohl, Lakey, Lenney, Lent, Nichols, Okuniewicz, Ricks, Ruchti, Semmelroth, Shippy, Taylor, Toews, VanOrden, Ward-Engelking, Wintrow, Woller(Rabe), Woodward, Zito, Zuiderveld NAYS – None Absent and excused – None Floor Sponsor - Cook Title apvd - to House
- Mar 10, 2026Read second time; filed for Third Reading
- Mar 9, 2026Reported out of Committee with Do Pass Recommendation; Filed for second reading
- Feb 27, 2026IntroducedIntroduced, read first time; referred to: Resources & Environment
- Feb 27, 2026FloorReceived from the House passed; filed for first reading
- Feb 26, 2026FloorRead Third Time in Full – PASSED - 68-2-0 AYES – Alfieri, Barbieri, Beiswenger, Berch, Bingham, Boyle, Bruce, Burgoyne, Cannon, Cayler, Cheatum, Church, Cornilles, Crane(12), Crane(13), Dygert, Egbert, Ehardt, Ehlers, Erickson, Fuhriman, Furniss, Galaviz, Gannon, Garner, Green, Hall(Stone), Handy, Harris, Hawkins, Haws, Healey, Hill, Holtzclaw, Hostetler, Leavitt, Manwaring, Marmon, Mathias, McCann, Mendive, Mickelsen, Miller, Monks, Nelsen, Palmer, Petzke, Pickett, Pohanka, Price, Rasor, Raybould, Raymond, Redman, Rubel, Sauter, Scott, Shirts, Skaug, Tanner(13), Tanner(14), Thompson, Vander Woude, Veile, Weber, Wheeler, Wisniewski, Mr. Speaker NAYS – Mitchell, Shepherd Absent – None Floor Sponsor - Petzke Title apvd - to Senate
- Feb 25, 2026Read second time; Filed for Third Reading
- Feb 24, 2026Reported out of Committee with Do Pass Recommendation, Filed for Second Reading
- Feb 17, 2026CommitteeReported Printed and Referred to Resources & Conservation
- Feb 16, 2026IntroducedIntroduced, read first time, referred to JRA for Printing
Version history
Only one version on file - nothing to compare yet. As later stages (committee substitute, engrossed, enrolled) are captured, the redline appears here.
View official text →Lobbying Activity
No state lobbying filings in our records match this bill. Federal lobbying reports (LDA) cover Congress, so they are not listed on state bills.
Full breakdown
Who this bill affects and the strongest case for and against it, written only from the bill’s own text.
Discoveries
Patterns POLISCOPE noticed across the record. These are observations to investigate, not conclusions.
Integration of Geothermal Energy into Municipal Water Rights
The legislation formally expands the definition of municipal purposes to include non-consumptive geothermal heating and cooling accompanied by mandatory aquifer reinjection.
Connected Entities
Sources
legislature.idaho.gov
Analysis Score
0–100- Significance75How much this matters to a regular citizen
- Controversy25Intensity of disagreement among stakeholders
- Entertainment5Compellingness for a non-policy-wonk reader
- Buzz30Current news / social attention level
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