All Roll Calls
Yes: 97 • No: 6
WyomingSF 612025 General SessionSenate
AN ACT relating to environmental quality; clarifying the applicability of the property tax exemption for property used to eliminate, control or prevent air, water or land pollution; requiring rulemaking; and providing for effective dates.
Sponsored By: Cale Case (Republican)
Signed by Governor
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Bill Overview
Analyzed Economic Effects
1 provisions identified: 0 benefits, 1 costs, 0 mixed.
Wyoming facility owners face tax exemption limits
Beginning January 1, 2026, Wyoming clarifies and limits its pollution-control property tax exemption. It covers facilities, installations, machinery, and equipment designed, installed, and used mainly to prevent, control, or eliminate pollution. Property can qualify whether attached to land or not. For property with other useful purposes, only the assessed value needed for and devoted to pollution control is exempt. Facility portions with value as a specific source of byproducts that can be sold are excluded. Facilities built solely to capture nonpoint source carbon dioxide are also excluded. The Department of Revenue determines exempt portions for state-assessed property; county assessors do so for county-assessed property. The law immediately requires the department to issue implementing rules, while the exemption changes take effect January 1, 2026.
Sponsors & Cosponsors
Sponsor
Cale Case
Republican • Senate
Cosponsors
Steve Harshman
Republican • House
Lloyd Larsen
Republican • House
Pepper Ottman
Republican • House
Cody Wylie
Republican • House
Jim Anderson
Republican • Senate
Dan Dockstader
Republican • Senate
Roll Call Votes
House vote • 2/24/2025
H 3rd Reading:Passed 57-3-2-0-0
Yes: 57 • No: 3
House vote • 2/18/2025
H03 - Revenue:Recommend Do Pass 5-3-1-0-0
Yes: 5 • No: 3
Senate vote • 2/12/2025
S 3rd Reading:Passed 30-0-1-0-0
Yes: 30 • No: 0
Senate vote • 2/7/2025
S03 - Revenue:Recommend Amend and Do Pass 5-0-0-0-0
Yes: 5 • No: 0
Actions Timeline
Assigned Chapter Number 55
2/27/2025Governor Signed SEA No. 0025
2/27/2025GovernorH Speaker Signed SEA No. 0025
2/24/2025HouseS President Signed SEA No. 0025
2/24/2025SenateAssigned Number SEA No. 0025
2/24/2025H 3rd Reading:Passed 57-3-2-0-0
2/24/2025HouseH 2nd Reading:Passed
2/21/2025HouseH COW:Passed
2/20/2025HouseH Placed on General File
2/18/2025HouseH03 - Revenue:Recommend Do Pass 5-3-1-0-0
2/18/2025HouseH Introduced and Referred to H03 - Revenue
2/14/2025HouseH Received for Introduction
2/13/2025HouseS 3rd Reading:Passed 30-0-1-0-0
2/12/2025SenateS 2nd Reading:Passed
2/11/2025SenateS COW:Passed
2/10/2025SenateS Placed on General File
2/7/2025SenateS03 - Revenue:Recommend Amend and Do Pass 5-0-0-0-0
2/7/2025SenateS Introduced and Referred to S03 - Revenue
1/21/2025SenateS Received for Introduction
1/2/2025SenateBill Number Assigned
12/20/2024
Bill Text
Engrossed
Enrolled
Introduced
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