Issue · Environment

Environment

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

Total bills
172
2025-2026 Regular Session
Top supporter
Tony Bisignano
80% support rate
Top opponent
Mike Zimmer
0% support rate
Ranked legislators
10
5 support · 5 oppose
Key legislators

Who's moving environment in Iowa

Legislators moving environment in Iowa
Legislator Party Stance Support rate Votes
Tony Bisignano
Tony Bisignano Senate · District 15
D
Strong +
80% 11
Jerome Amos
Jerome Amos House · District 62
D
Support
71% 14
Ken Croken
Ken Croken House · District 97
D
Support
71% 17
Brian Meyer
Brian Meyer House · District 29
D
Support
70% 20
Austin Baeth
Austin Baeth House · District 36
D
Support
70% 20
Mike Zimmer
Mike Zimmer Senate · District 35
D
Strong −
0% 11
Mark Cisneros
Mark Cisneros House · District 96
R
Strong −
20% 20
Hans Wilz
Hans Wilz House · District 25
R
Oppose
25% 14
Tom Gerhold
Tom Gerhold House · District 84
R
Oppose
29% 16
Bill Gustoff
Bill Gustoff House · District 40
R
Oppose
29% 14
Showing 51–60 of 172 bills

All environment bills

died · Iowa · House Apr 20, 2026

HF 2595: A bill for an act providing for the regulation of mining.

HF 2595 proposes new regulations for mining operations in Iowa. The bill would require mining companies to submit proof of financial responsibility (to cover cleanup costs), detailed site maps, and involve local authorities in permit approvals and renewals. These rules would apply to all mining activities seeking permits under existing state law. The bill is currently in the introduction stage and has not yet been enacted.
in committee · Iowa · House Feb 23, 2026

HF 2665: A bill for an act relating to radon mitigation requirements and tax credits, including retroactive applicability provisions, and making appropriations.

HF 2665 requires new single-family and two-family residential construction (after adoption) to include passive radon mitigation systems in the building code. It creates a tax credit of up to $1,000 for homeowners and renters to cover the cost of installing radon mitigation systems, applying retroactively to tax years beginning January 1, 2025. For rental properties, tenants can test for radon (with results ≥4 picocuries per liter triggering landlord action), and landlords must install mitigation systems within 90 days or face lease termination with rent refunds. The bill also appropriates $100,000 for free radon test kits available to homeowners and renters through the state health department.
Sub-Topics Tax Credits
in committee · Iowa · House Feb 6, 2026

HF 2313: A bill for an act relating to the discharge of toxic pollutants associated with coal ash into water sources.

HF 2313 prohibits coal-fired power plants and coal ash landfills from discharging toxic pollutants - including mercury, arsenic, and cadmium - from specific wastewater streams (like flue gas desulfurization water and ash transport water) into water sources. It directly affects existing coal power facilities operating before July 1, 2026, requiring them to comply by December 31, 2029, while new facilities must comply before starting operations. The bill mandates that the environmental department create implementing rules and aims to protect drinking water, groundwater, and communities from avoidable coal ash pollution linked to serious health risks. The law focuses on preventing toxic discharges using existing technology, with clear compliance deadlines for different facility types.
Sub-Topics Coal Drinking Water
in committee · Iowa · Senate May 1, 2026

SF 2275: A bill for an act modifying the sales or use tax refund for biodiesel production.

This bill increases Iowa's tax refund for biodiesel producers from 4 cents to 5 cents per gallon of biodiesel produced. It directly affects biodiesel manufacturers in Iowa by raising their quarterly refund amount based on total annual production. The refund calculation method remains unchanged - multiplying gallons produced by the rate - but extends the program's expiration from January 1, 2028, to January 1, 2031. The bill modifies existing tax provisions without altering eligibility or production requirements.
Sub-Topics Sales Tax
in committee · Iowa · House Feb 3, 2026

HF 2257: A bill for an act relating to the siting and operation of renewable electric power generating facilities, and including retroactive applicability provisions.

HF 2257 sets new rules for where and how renewable energy facilities (like wind turbines, solar farms, and battery storage systems) can be built in Iowa. It requires local governments to follow specific minimum distances from homes, community buildings, roads, and other properties - such as 2 times a wind turbine's height from occupied homes or 50 feet from nonparticipating property for solar. The bill also limits noise (max 47 decibels) and shadow flicker (max 30 hours/year) near residences, while requiring facilities to meet national safety and fire codes. These rules apply to all new renewable projects proposed after January 1, 2026, directly affecting developers, local zoning boards, and nearby property owners.
in committee · Iowa · House Feb 12, 2026

HF 2419: A bill for an act regulating animal feeding operations, including rulemaking requirements, and making penalties applicable.

This bill (HF 2419) regulates animal feeding operations (AFOs) in Iowa, directly affecting large livestock facilities like confinement feeding operations and open feedlots. It requires the Environmental Protection Commission to establish rules for manure management, permitting, and water quality standards, while ensuring state rules don’t exceed federal requirements except where needed to protect water quality. Key provisions include mandating compliance with federal NPDES permit standards for AFOs and allowing stricter state rules for manure storage, treatment, and application when necessary. The bill also clarifies that rules adopted under this law are exempt from certain state rule review processes. These changes aim to balance federal water pollution controls with Iowa’s specific water quality needs.
Sub-Topics Water Quality
in committee · Iowa · Senate Feb 11, 2026

SF 2269: A bill for an act appropriating moneys to Iowa state university of science and technology for use by the Iowa nutrient research center in supporting the Iowa water quality information systems.

This bill appropriates $500,000 from Iowa's water quality infrastructure fund for the 2026-2027 fiscal year to Iowa State University of Science and Technology. The funds will support the Iowa Nutrient Research Center in administering the Iowa Water Quality Information Systems, specifically using sensor technology to collect data on nutrient impacts. The primary purpose is to monitor how nutrients affect the state's surface waters, including rivers and lakes. This directly affects the data collection and monitoring capabilities of the Iowa Nutrient Research Center and the state's water quality management efforts.
in committee · Iowa · House Feb 12, 2026

HF 2425: A bill for an act appropriating moneys to Iowa state university of science and technology for use by the Iowa nutrient research center in supporting the Iowa water quality information systems.

This bill appropriates $250,000 from Iowa's general fund for the 2026-2027 fiscal year to Iowa State University of Science and Technology. The funds will support the Iowa Nutrient Research Center in operating the Iowa Water Quality Information Systems. Specifically, the money will be used to deploy sensors that collect data on nutrient levels in the state's surface waters. This directly affects water quality management efforts across Iowa, providing data to track how agricultural and other nutrient sources impact rivers and lakes.
introduced · Iowa · House Mar 11, 2026

HF 2672: A bill for an act relating to solar energy by establishing a community solar facility program.

HF 2672 establishes Iowa's community solar program, allowing multiple subscribers to share benefits from solar facilities through bill credits. The bill sets specific rules: facilities can generate up to 5 megawatts (20 megawatts on brownfield sites), must have at least three subscribers, and require at least 60% of capacity to be subscribed by small users (under 40 kilowatts). Utilities must provide bill credits based on a commission-approved "value of solar" rate, with unused credits carried over monthly but forfeited annually. The program clarifies community solar does not count as a public utility or duplicate existing infrastructure, aiming to expand solar access while protecting non-participating customers from direct costs.
in committee · Iowa · House Feb 12, 2026

HF 2418: A bill for an act providing for county control of the siting and management of confinement feeding operations.

HF 2418 gives Iowa counties new authority to regulate the location and management of large confinement feeding operations (those with 1,000+ animal units, like 2,500 swine). Counties can now adopt siting ordinances requiring board approval before construction or expansion of such facilities, including setting stricter separation distances from homes or water sources than state law. The bill specifically affects developers and operators of large confinement feeding operations, while exempting smaller agricultural structures under existing farm exemptions. It does not replace state environmental permits but adds a new layer of county approval for siting decisions.
Tags Agriculture
Showing 51 to 60 of 172 bills
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