All Roll Calls
Yes: 270 • No: 88
ConnecticutSB 000092025 Regular SessionSenateWALLET
AN ACT CONCERNING THE ENVIRONMENT, CLIMATE AND SUSTAINABLE MUNICIPAL AND STATE PLANNING, AND THE USE OF NEONICOTINOIDS AND SECOND-GENERATION ANTICOAGULANT RODENTICIDES.
Sponsored By: Environment Committee
Signed by Governor
Summary
To provide municipalities certain authorities concerning climate resiliency efforts and restrict the use of neonicotinoids and second-generation rodenticides.
environment
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Bill Overview
Analyzed Economic Effects
14 provisions identified: 10 benefits, 1 costs, 3 mixed.
Climate projects must replace affordable homes
Beginning July 1, 2025, resilience projects that demolish or reduce affordable housing must provide replacement homes within four years. The town, developer, owner, or a third party must commit to replacement within the district. If that is not feasible, replacement must be reasonably nearby. Nearby replacement must provide at least two affordable homes for each home otherwise replaced inside the district.
District property owners may face charges
Beginning July 1, 2025, towns may charge district property owners a share of improvements benefiting their property, including financing costs. Before setting an assessment, towns must hold a public hearing, give notice, and allow objections. Payments may be spread over as many as 50 years. Charges are collected like municipal taxes. Unpaid amounts become liens and bear interest at the delinquent property-tax rate.
Home sellers must disclose flood risks
Beginning July 1, 2025, required residential condition reports include new flood-risk questions for sellers. They cover mapped floodplain status, disaster aid, current flood insurance, elevation certificates, flood claims, and water damage or seepage. Reports must explain federal flood-insurance requirements tied to certain mortgages or past federal disaster aid. The notice warns that insurance duties can follow the property to future owners. It also warns that FEMA flood maps are not a reliable measure of flood risk.
New flood notices for insurance and mortgages
Beginning July 1, 2026, insurers must give homeowners and renters a flood notice when issuing or renewing coverage. The commissioner-approved notice explains that standard policies exclude flood losses and describes eligibility and access to separate flood insurance. Mortgage creditors must provide a plain-language notice at least 10 days before closing. It explains that flooding can happen outside mapped flood zones and suggests consulting an insurance professional. Applicants must sign and date the notice, and creditors must keep it with mortgage records.
Emergency plans must address climate threats
Beginning October 1, 2027, town evacuation and hazard plans must address sea-level threats to transportation, critical infrastructure, and land uses. Plans must identify actions and capital projects addressing heavier rain, flooding, sea-level rise, and extreme heat. Towns may work regionally and must share required mapped data with state officials on request. Beginning October 1, 2028, state emergency planning must consider observed and projected climate trends. These include severe weather, drought, coastal and inland flooding, storm surge, wildfire, extreme heat, and other relevant hazards.
Regional and state plans address climate risks
Regional councils must continue updating development plans at least every 10 years. Plans adopted on or after October 1, 2025, must align with regional transportation and hazard-mitigation plans. They must map critical facilities' locations, addresses, and general functions, and share those records with state officials on request. Regional plans may also encourage resilient development, climate-friendly land use, and renewable energy. State development-plan revisions after adoption of the 2025–2030 plan must consider precipitation changes, heat, drought, flooding, erosion, and greenhouse-gas goals. Revisions must identify infrastructure and natural-resource effects and recommend land-use strategies to reduce risks to health, infrastructure, and the environment.
Town growth plans must address climate risks
Municipal development plans adopted on or after October 1, 2027, must use the latest federal and state climate and hazard projections. They must assess climate weaknesses, identify responses, and include mapped data. Plans must identify infrastructure needed for evacuation and daily life during disasters and recommend keeping it working. Beginning July 1, 2025, towns may also identify climate-risk areas to guide infrastructure funding. Optional tools include risk-reducing land-use programs, development-rights transfers, and resilience districts.
Towns gain climate-ready infrastructure funding options
Beginning July 1, 2025, towns may use reserve funds to plan, build, rebuild, or acquire specific climate-resilient capital improvements. Spending needs a budget-authority recommendation and local legislative approval; towns are not required to spend reserves. Towns may also use the $12.5 million annual transportation allocation for climate-resilient road, bridge, and related work. That allocation comes from transportation appropriations or another lawful source. Towns must submit mapped bridge and culvert records to regional councils by May 1, 2028, and annually afterward. Records include location, age, and dimensions in the state's required coordinate system and format. Councils must send records and identify missing municipal submissions to the state by July 1, 2028, and annually afterward.
Water planning must use climate projections
The next state water-plan update must consider climate effects on water quality and supply. The Water Planning Council must use past conditions and future temperature and rainfall projections to assess surface and groundwater supplies. The plan must recommend steps and an implementation plan to reduce climate and extreme-weather effects. State health, environmental, and utility regulators must review water-supply rules by December 31, 2028, and every 10 years afterward. They must update rules using current climate projections affecting water quality, quantity, or delivery, through the state's required rulemaking process.
New climate safeguards for local development
Beginning October 1, 2027, town zoning must address sea-level harms using the latest state projections. Towns may also adopt heat, drought, and heavy-rain protections or offer incentives for flood-safe construction. Beginning October 1, 2025, coastal plans in FEMA V, VE, A, AE, or Limit of Moderate Wave Action areas need state environmental referral. Plans on sites with tidal wetlands, beaches, or dunes also require referral. The referral and comment process applies to zoning commissions and zoning appeals boards. The law also repeals Section 8-2f on July 1, 2025; the supplied text does not explain its practical effect.
Towns can share development-rights banks
Beginning July 1, 2025, two or more towns with a cross-boundary development-rights agreement may create a shared bank. Their approved agreement must identify sending and receiving sites and set operating rules and transfer ratios. Receiving sites must qualify for public water connections, be within half a mile of public transportation, and sit above the 100-year flood elevation. They must also be outside core forests and areas affected by the latest state sea-level-change scenario. Sending sites may include farmland, core forests, habitat, floodplains, and areas affected by sea-level change.
New limits on pesticides and rat poisons
By January 1, 2026, Connecticut must classify rat poisons containing brodifacoum, bromadiolone, difenacoum, or difethialone as restricted-use pesticides. Beginning October 1, 2027, the law generally bans neonicotinoid pesticide use on plants. On request, the environmental commissioner can allow use after consulting the state agricultural station and finding no other effective control. Exempt uses include agriculture, seeds, ornamental shrubs, and trees. Products not labeled for plant use are also exempt, including personal, pet, veterinary, indoor, and structural pest-control products. These environmental controls limit pesticide choices, and violations of the neonicotinoid rule carry civil penalties up to $2,500 each.
Towns gain climate project financing districts
Beginning July 1, 2025, towns may approve resilience districts and master plans together; neighboring towns may form joint districts. A charter ban blocks creation, and districts must meet hazard, planning, land-use, flood-safety, and assessed-value requirements. Plans can fund resilience, environmental infrastructure, and clean energy for up to 50 tax years, with reviews every 10 years. Property-assessment agreements may last 30 years but cannot set values below the last regular assessment baseline, accounting for future improvements. Plans must address housing and displacement, while optional advisory boards must include owners or occupants in or near the district. Project decisions must give priority consideration to nature-based resilience solutions or projects addressing environmental justice or vulnerable communities.
Towns can borrow for climate districts
Beginning July 1, 2025, towns may dedicate taxes from district property-value growth to separate project accounts. All related tax-increment revenue must be deposited annually, paying debt service before project costs; accounts require annual independent audits. Spending is limited to authorized district work, directly related outside improvements, environmental projects, and qualifying housing costs. Towns may authorize bonds lasting up to 30 years, repaid from pledged revenues, benefit assessments, municipal backing, or combined sources. Bonds without municipal backing do not count toward aggregate municipal debt and must disclaim state or municipal repayment duties and taxing-power pledges. District property taxes remain apportioned on the same basis as elsewhere in town.
Sponsors & Cosponsors
Sponsor
Environment Committee
Affiliation unavailable
Cosponsors
There are no cosponsors for this bill.
Roll Call Votes
Senate vote • 5/12/2025
FIN Vote Tally Sheet (Joint Favorable)
Yes: 38 • No: 16
Senate vote • 5/5/2025
APP Vote Tally Sheet (Joint Favorable)
Yes: 40 • No: 10
Senate vote • 4/25/2025
JUD Vote Tally Sheet (Joint Favorable)
Yes: 25 • No: 12
Senate vote • 2/10/2025
ENV Vote Tally Sheet (Joint Favorable Substitute)
Yes: 24 • No: 9
Senate vote • 2/10/2025
ENV Vote Tally Sheet (Vote to Draft)
Yes: 0 • No: 0
House vote • 2/10/2025
House Roll Call Vote 200 AS AMENDED
Yes: 115 • No: 33
Senate vote • 2/10/2025
Senate Roll Call Vote 176
Yes: 28 • No: 8
Actions Timeline
Signed by the Governor
6/10/2025legislatureTransmitted by Secretary of the State to Governor
6/9/2025legislatureTransmitted to the Secretary of State
6/5/2025legislaturePublic Act 25-33
6/3/2025legislatureIn Concurrence
5/28/2025legislatureHouse Passed as Amended by Senate Amendment Schedule A
5/28/2025HouseHouse Adopted Senate Amendment Schedule A
5/28/2025HouseHouse Calendar Number 613
5/16/2025HouseFavorable Report, Tabled for the Calendar, House
5/16/2025HouseSenate Passed as Amended by Senate Amendment Schedule A
5/15/2025SenateSenate Adopted Senate Amendment Schedule A 8466
5/15/2025SenateFavorable Report, Tabled for the Calendar, Senate
5/13/2025SenateNo New File by Committee on Finance, Revenue and Bonding
5/13/2025legislatureReported Out of Legislative Commissioners' Office
5/12/2025legislatureFiled with Legislative Commissioners' Office
5/12/2025legislatureJoint Favorable
5/12/2025legislatureImmediate Transmittal
5/8/2025legislatureReferred by Senate to Committee on Finance, Revenue and Bonding
5/8/2025SenateFavorable Report, Tabled for the Calendar, Senate
5/7/2025SenateNo New File by Committee on Appropriations
5/7/2025legislatureReported Out of Legislative Commissioners' Office
5/7/2025legislatureFiled with Legislative Commissioners' Office
5/6/2025legislatureJoint Favorable
5/5/2025legislatureReferred by Senate to Committee on Appropriations
5/1/2025SenateFavorable Report, Tabled for the Calendar, Senate
4/28/2025Senate
Bill Text
Public Act No. 25-33
6/3/2025
File No. 418
4/2/2025
APP Joint Favorable
3/14/2025
Committee Bill
3/14/2025
ENV Joint Favorable Substitute
3/14/2025
FIN Joint Favorable
3/14/2025
JUD Joint Favorable
3/14/2025
Proposed Bill
1/8/2025
APP Joint Fav. Rpt
APP Vote Tally Sheet (Joint Favorable)
Bill Analysis For File Copy 418
Bill Analysis for SB-9, as amended by Senate "A"
ENV Joint Fav. Rpt
ENV Vote Tally Sheet (Joint Favorable Substitute)
ENV Vote Tally Sheet (Vote to Draft)
FIN Joint Fav. Rpt
FIN Vote Tally Sheet (Joint Favorable)
Fiscal Note For File Copy 418
Fiscal Note for Amendment LCO 8466 (See Fiscal Note Details)
Fiscal Note for SB-9, As Amended by Senate "A" (LCO 8466)
House Roll Call Vote 200 AS AMENDED
JUD Joint Fav. Rpt
JUD Vote Tally Sheet (Joint Favorable)
Senate Roll Call Vote 176
Senate Schedule A LCO# 8466 (D)
Summary for Public Act No. 25-33
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