Issue · Environment

Environment

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

Total bills
68
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 Votes
Frank Smith
Frank Smith House · District 31
D
Strong +
82% 157
Marc Lee
Marc Lee House · District 74
D
Strong +
82% 164
Donavon Hawk
Donavon Hawk House · District 72
D
Strong +
81% 150
Denise Joy
Denise Joy House · District 46
D
Strong +
80% 165
Mike Fox
Mike Fox House · District 32
D
Support
79% 153
Kathy Love
Kathy Love House · District 85
R
Oppose
25% 154
Caleb Hinkle
Caleb Hinkle House · District 68
R
Oppose
29% 178
Braxton Mitchell
Braxton Mitchell House · District 5
R
Oppose
29% 160
Fiona Nave
Fiona Nave House · District 56
R
Oppose
30% 154
Becky Beard
Becky Beard Senate · District 38
R
Oppose
30% 171
Showing 51–60 of 68 bills

All environment bills

signed · Montana · House May 6, 2025

HB 270: Revise remedies to MEPA

HB 270 revises the Montana Environmental Policy Act (MEPA) by modifying requirements for environmental reviews conducted by state agencies. The bill clarifies that MEPA is procedural and not intended to provide regulatory authority beyond existing statutes. It updates the criteria for analyzing alternatives in environmental impact statements, requiring them to be technologically achievable and economically feasible for similar projects. Furthermore, the bill mandates that agencies consider regulatory impacts on private property rights and analyze alternatives that reduce or eliminate such regulations. For non-state-sponsored projects, alternative recommendations are not binding on the project sponsor.
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.
Sub-Topics Conservation
died · Montana · House May 20, 2025

HB 630: Require legislative approval of greenhouse gas rules

HB 630 requires that certain rules established by state departments, commissions, boards, or local authorities are not effective unless approved by the legislature. Specifically, any rules related to the regulation of greenhouse gas emissions or the calculation and application of the social cost of carbon must receive legislative approval at the next legislative session. This mechanism affects agencies that issue such environmental regulations, including those pertaining to the operation of motor vehicles. The bill ensures that the legislature has final say over these specific types of administrative rules.
Sub-Topics Climate Change
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 8, 2025

HB 346: Exempt Commerce grants and loans from MEPA

HB 346 exempts various grant and loan programs from environmental review requirements under the Montana Environmental Policy Act (MEPA). This bill directly affects the Department of Commerce, Board of Housing, and other commissions by removing the need for environmental assessments when authorizing or administering these specific programs. The exemptions apply to programs supporting microbusiness development, historic preservation, workforce training, housing finance, and other economic development initiatives. This aims to streamline the process for providing financial assistance through these identified programs.
signed · Montana · House May 13, 2025

HB 703: Exempt GHG emissions analysis for appliances, vehicles, engines

HB 703 exempts specific state and local agencies in Montana from analyzing greenhouse gas emissions during certain environmental reviews. The bill states that the state department and local building departments are no longer required to analyze greenhouse gas emissions from covered appliances when adopting or enforcing building codes. It also exempts the state department from analyzing greenhouse gas emissions from new motor vehicles, engines, and nonroad vehicles, and emissions originating outside the state's borders. The bill cites federal preemption laws as the basis for these exemptions from environmental review.
Sub-Topics Climate Change
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.
Sub-Topics Water Quality
signed · Montana · House May 19, 2025

HB 685: Feasibility allowance for nondegradation policy

HB 685 establishes a "feasibility allowance" as part of the state's water quality nondegradation policy. This allows individuals or entities seeking to degrade high-quality state waters to request this allowance when working to meet water quality standards. The bill revises certain definitions, including expanding who is considered an "interested person" to include those requesting such an allowance. It also amends administrative rules and grants rulemaking authority to the Department of Environmental Quality to implement these new provisions, directly affecting industries and projects that impact state waters.
Sub-Topics Water Quality
signed · Montana · House May 19, 2025

HB 923: Revise categorical exclusions from nondegradation authorization

HB 923 directs the Montana Department of Environmental Quality (DEQ) to amend its administrative rules by January 1, 2026. This amendment will create a new categorical exclusion from nondegradation authorization requirements. This exclusion applies to areas where a county commission demonstrates it has prohibited drinking water wells and ensures absorption trenches are at least 1,000 feet from downstream high-quality surface waters. The bill also appropriates $10,000 to the DEQ to implement these rule changes and provide guidance.
Sub-Topics Drinking Water
died · Montana · Senate May 23, 2025

SB 349: Declare authority over existing fossil-fuel fired electric generating units

SB 349 would have transferred authority over air and water quality regulations for existing fossil fuel power plants in Montana from the federal Environmental Protection Agency (EPA) to the state Department of Environmental Quality (DEQ), making DEQ the sole permitting authority for these facilities. It claims federal EPA rules lack authority to restrict plant operations without requiring "significant economic investment" from plant owners and utilities. The bill includes a contingency that would void it if the EPA repeals two specific 2024 rules (89 Fed. Reg. 38508 and 39798). This bill died in committee in May 2025 and never became law.
Sub-Topics Water Quality
Showing 51 to 60 of 68 bills
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