# Montana HB 935: Limits to Fox Hills-Hell Creek aquifer withdrawals Montana HB 935, Limits to Fox Hills-Hell Creek aquifer withdrawals, is a 69th Legislature, Regular Session (2025) House bill sponsored by Morgan Thiel (Republican); status signed, last action 2025-05-19 (Chapter Number Assigned) (as of 2026-10-12). - Canonical: https://policyrisk.com/state-bill/MT-HB935-2025 - As of: 2026-10-12 - Plain-text twin of the page above; the HTML and this file carry the same facts. ## Facts - Bill: Montana HB 935 - State: Montana - Session: 69th Legislature, Regular Session (2025) - Title: Limits to Fox Hills-Hell Creek aquifer withdrawals - Status: signed - Chamber: House - Introduced: 2025-03-31 - Last action: 2025-05-19, Chapter Number Assigned - Sponsor: Morgan Thiel (Republican) - Cosponsors: 1 - Subjects: Water, Revenue, State, Appropriations - Touches household money: no - Roll calls: 8 (614 yes, 24 no in all) - Economic provisions PRIA read: 1 ## Summary No summary available. ## Bill overview: provisions PRIA read - Fox Hills-Hell Creek limits end 2027: mixed, low. This law ends on June 30, 2027. Until then, the Department can pause or refuse new groundwater applications of 3,000 gallons per minute or more from the Fox Hills-Hell Creek aquifer in the listed administrative basins. The Bureau of Mines and Geology completes a study on groundwater availability an… ## Sponsors and cosponsors - Sponsor: Morgan Thiel (Republican), House - Cosponsor: Russ Miner (Republican), House ## Roll call votes | Date | Chamber | Motion | Result | Yes | No | Other | | --- | --- | --- | --- | --- | --- | --- | | 2025-04-30 | House | Do Concur | pass | 100 | 0 | | | 2025-04-29 | House | Do Concur | pass | 100 | 0 | | | 2025-04-25 | Senate | Do Concur | pass | 41 | 8 | | | 2025-04-23 | Senate | Do Concur As Amended | pass | 46 | 4 | | | 2025-04-23 | Senate | AMD-HB0935.003.002 Flowers D/PASS | pass | 38 | 11 | | | 2025-04-05 | House | Do Pass | pass | 98 | 0 | | | 2025-04-04 | House | Do Pass | pass | 100 | 0 | | | 2025-04-04 | House | Cloture-Duram | pass | 91 | 1 | | ## Actions (35) - 2025-05-19: Chapter Number Assigned (House) - 2025-05-13: Signed by Governor (House) - 2025-05-07: Transmitted to Governor (House) - 2025-05-06: Signed by President (Senate) - 2025-05-05: Signed by Speaker (House) - 2025-05-01: Returned from Enrolling (House) - 2025-04-30: Sent to Enrolling (House) - 2025-04-30: 3rd Reading Senate Amendments (House) - 2025-04-29: 2nd Reading Senate Amendments (House) - 2025-04-25: Returned to House with Amendments (Senate) - 2025-04-25: 3rd Reading (Senate) - 2025-04-23: 2nd Reading (Senate) - 2025-04-23: 2nd Reading Motion to Amend (Senate) - 2025-04-16: Committee Report (Senate) - 2025-04-14: Committee Executive Action (Senate) - 2025-04-08: Fiscal Note Printed (House) - 2025-04-08: Fiscal Note Unsigned (House) - 2025-04-08: Hearing (Senate) - 2025-04-08: Revised Fiscal Note Received (House) - 2025-04-07: Referred to Committee (Senate) - 2025-04-07: 1st Reading (Senate) - 2025-04-05: Transmitted to Senate (House) - 2025-04-05: 3rd Reading (House) - 2025-04-04: 2nd Reading (House) - 2025-04-03: Revised Fiscal Note Requested (House) - 2025-04-03: Fiscal Note Printed (House) - 2025-04-02: Committee Report (House) - 2025-04-02: Fiscal Note Unsigned (House) - 2025-04-02: Fiscal Note Received (House) - 2025-03-31: Committee Executive Action (House) - 2025-03-31: 1st Reading (House) - 2025-03-31: Hearing (House) - 2025-03-31: Referred to Committee (House) - 2025-03-31: Fiscal Note Requested (House) - 2025-03-31: Introduced (House) ## Bill text - Enrolled, 2025-04-30: [PDF](https://docs.legmt.gov/download-ticket?ticketId=94384943-7618-43d5-9f9c-5402246d7834) - As Amended (Version 4), 2025-04-23: [PDF](https://docs.legmt.gov/download-ticket?ticketId=e4d19415-4da1-4100-b573-214a946057eb) - As Amended (Version 3), 2025-04-16: [PDF](https://docs.legmt.gov/download-ticket?ticketId=b529c554-2394-47f9-b343-8e5646c5c56f) - As Amended (Version 2), 2025-04-03: [PDF](https://docs.legmt.gov/download-ticket?ticketId=b0f61423-9a84-413a-8ea6-d496f4f669d7) - Introduced, 2025-03-31: [PDF](https://docs.legmt.gov/download-ticket?ticketId=252b67cc-50bc-440f-8f5c-412336797f95) ## Related bills - SB 437: Revise definition of sex in Montana law (signed) - HB 831: Increase elderly homeowner and renter income tax credit (vetoed) - HB 628: Revise early literacy targeted intervention laws (vetoed) - SB 410: Provide for Montana genomic security act (vetoed) - SB 424: Revising the disabled veteran property tax assistance program (vetoed) - SB 422: Generally revise laws relating to insurance coverage relating to cancer (vetoed) ## Sources - [Enrolled (PDF)](https://docs.legmt.gov/download-ticket?ticketId=94384943-7618-43d5-9f9c-5402246d7834) - [As Amended (Version 4) (PDF)](https://docs.legmt.gov/download-ticket?ticketId=e4d19415-4da1-4100-b573-214a946057eb) - [As Amended (Version 3) (PDF)](https://docs.legmt.gov/download-ticket?ticketId=b529c554-2394-47f9-b343-8e5646c5c56f) - [As Amended (Version 2) (PDF)](https://docs.legmt.gov/download-ticket?ticketId=b0f61423-9a84-413a-8ea6-d496f4f669d7) - [Introduced (PDF)](https://docs.legmt.gov/download-ticket?ticketId=252b67cc-50bc-440f-8f5c-412336797f95) ## Related - [SB 437: Revise definition of sex in Montana law](https://policyrisk.com/state-bill/MT-SB437-2025) - [HB 831: Increase elderly homeowner and renter income tax credit](https://policyrisk.com/state-bill/MT-HB831-2025) - [HB 628: Revise early literacy targeted intervention laws](https://policyrisk.com/state-bill/MT-HB628-2025) - [SB 410: Provide for Montana genomic security act](https://policyrisk.com/state-bill/MT-SB410-2025) - [SB 424: Revising the disabled veteran property tax assistance program](https://policyrisk.com/state-bill/MT-SB424-2025) - [SB 422: Generally revise laws relating to insurance coverage relating to cancer](https://policyrisk.com/state-bill/MT-SB422-2025) - [Montana bills](https://policyrisk.com/states/montana/bills) - [Montana state hub](https://policyrisk.com/states/montana) - [All state legislation](https://policyrisk.com/state-bills) Source: PRIA, https://policyrisk.com/state-bill/MT-HB935-2025 (as of 2026-10-12).