Issue · Environment

Environment

Every environment bill, vote, and legislator stance in Montana, automatically classified by Maddy, our AI policy reader.

Total bills
39
2025 Regular Session
Top supporter
Frank Smith
82% support rate
Top opponent
Kathy Love
25% support rate
Ranked legislators
10
5 support · 5 oppose
Key legislators

Who's moving environment in Montana

Legislators moving environment in Montana
Legislator Party Stance Support rate Decisive votes
Frank Smith
Frank Smith House · District 31
D
Strong +
82% 100
Marc Lee
Marc Lee House · District 74
D
Strong +
82% 109
Donavon Hawk
Donavon Hawk House · District 72
D
Strong +
81% 100
Denise Joy
Denise Joy House · District 46
D
Strong +
80% 110
Mike Fox
Mike Fox House · District 32
D
Support
79% 102
Kathy Love
Kathy Love House · District 85
R
Oppose
25% 100
Caleb Hinkle
Caleb Hinkle House · District 68
R
Oppose
29% 115
Braxton Mitchell
Braxton Mitchell House · District 5
R
Oppose
29% 103
Fiona Nave
Fiona Nave House · District 56
R
Oppose
30% 104
Becky Beard
Becky Beard Senate · District 38
R
Oppose
30% 97
Showing 31–39 of 39 bills

All environment bills

signed · Montana · House May 5, 2025

HB 466: Provide categorical exclusions from MEPA

House Bill 466 amends the Montana Environmental Policy Act (MEPA) by formally defining and allowing state agencies to identify "categorical exclusions." These exclusions are actions determined to have no significant impact on the human environment and are therefore exempt from requiring an environmental analysis or impact statement. The bill also provides specific exemptions from MEPA review for activities such as building construction by the Department of Administration and historic preservation grants by the Department of Commerce. State agencies are required to track and report their use of these categorical exclusions.
signed · Montana · House May 5, 2025

HB 285: Generally revise Montana environmental policy act

HB 285 revises the Montana Environmental Policy Act (MEPA), clarifying its purpose and impact on state agency actions and permitting decisions. The bill specifies that MEPA is a procedural law designed to provide information to the public and decision-makers, not to grant additional regulatory authority to state agencies. It also shifts the burden of proof for those challenging licensing or permitting decisions, requiring them to establish the unconstitutionality of the underlying statute. Furthermore, legal challenges must now be filed in the county where the proposed activity is located.
signed · Montana · House May 5, 2025

HB 664: Repeal numeric nutrient standards

This bill revises Montana's water quality standards by repealing the existing numeric nutrient standards. It directs the Department of Environmental Quality (DEQ) to remove all references to these standards from administrative rules and repeal the specific circular (DEQ-12A) that established them. The bill aims to address the previous standards, which were described as unachievable and burdensome for entities like Montana's municipal wastewater treatment systems. Additionally, it requires the DEQ to update related guidance and policies and eliminates the Nutrient Work Group.
signed · Montana · House May 5, 2025

HB 291: Revise laws related to air quality standards

HB 291 limits the ability of Montana's Department of Environmental Quality (DEQ) and local air pollution control programs to set air quality standards stricter than federal requirements. The bill prohibits the DEQ from establishing emission levels or rules more stringent than federal Clean Air Act standards, with exceptions for existing requirements and areas that do not meet national ambient air quality standards. It also revises the process for the DEQ to adopt any rules more stringent than federal guidelines, now only allowing it through emergency rulemaking. Local air pollution control programs are similarly restricted from adopting more stringent rules without specific department approval.
vetoed · Montana · House May 1, 2025

HB 477: Phase out polystyrene single use food containers (with exceptions)

House Bill 477 aimed to phase out the use of expanded polystyrene foam, commonly known as Styrofoam, in food-related businesses. Beginning in 2028, it would have prohibited restaurants and food establishments from serving food or beverages in these containers for on-premises consumption. By 2029, this prohibition would extend to packaging prepared food by restaurants, hotels, and resorts, and by 2030, food packagers would be restricted from using them. Businesses could apply to the Department of Environmental Quality for exemptions if compliance caused undue hardship or if no acceptable alternatives were available, with the department authorized to charge a fee for such applications.
signed · Montana · Senate Apr 4, 2025

SB 55: Provide for legislative intent regarding streamflow information

SB 55 is a procedural bill that states Montana's legislative intent to support coordinated collection and sharing of streamflow data. It recognizes that timely streamflow information - gathered by state, federal, tribal, and local entities - is essential for managing water under existing laws, including the Montana Water Use Act and drought planning. The bill does not create new programs or funding but affirms the legislature's position that better data coordination benefits water managers, municipalities, and agricultural users in addressing seasonal and climate-related water supply challenges.
signed · Montana · House Feb 28, 2025

HB 64: Repeal small business compliance assistance council

HB 64 repeals Montana's Small Business Compliance Assistance Advisory Council and removes its references from air quality regulations. The bill amends the duties of a small business stationary source representative, eliminating requirements for them to consult with the now-repealed council. This directly affects Montana small businesses subject to air quality regulations, as the council previously provided input on compliance challenges. The change streamlines the representative's role by removing council-related obligations while keeping their core responsibilities for assisting small businesses with regulatory compliance.
signed · Montana · Senate Feb 27, 2025

SB 61: Revise laws related to considerations for measuring of streamflow

SB 61 updates Montana's water policy to require accurate, real-time streamflow measurement for determining water availability. It affects water rights holders and state water managers by ensuring new water uses can only be approved when legally and physically available, protecting existing rights. The bill integrates these measurement standards into Montana's existing water law framework under Title 85. This policy change aims to improve the accuracy of water distribution decisions.
passed · Montana · House Feb 10, 2025

HR 2: Resolution supporting the exploration development, processing and refining of critical minerals

This Montana House resolution (HR 2) expresses legislative support for expanding critical minerals development within the state. It urges state, federal, tribal, and local entities to advance exploration, processing, and recycling of minerals like rare earth elements, platinum group metals, and others found in Montana's geology. The resolution highlights Montana's existing mining infrastructure and aims to strengthen domestic supply chains for technologies, energy, and defense - reducing reliance on foreign sources like China. As a symbolic resolution (not binding law), it directs Montana's delegation to advocate for these projects but does not create new regulations or funding.
Showing 31 to 39 of 39 bills
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