91st General Assembly · Funnel one-pager · Monday, November 9, 2026

HF 2640: Prohibiting the intentional emission of air contaminants into the atmosphere, and providing penalties

Died when the session ended · The General Assembly adjourned on October 2, 2026. Bills that didn’t pass both chambers died.

What it does

This bill relates to the intentional emission of air contaminants into the atmosphere, including prohibitions and reporting requirements. The bill requires entities that operate an airport open to public use to submit monthly reports to the department of transportation (department) beginning October 1, 2026. The reports must include information regarding the physical presence of aircraft equipped with components that may be used to intentionally emit, inject, release, or disperse air contaminants into the atmosphere for the express purpose of affecting temperature, weather, climate, or the intensity of sunlight, as well as information regarding the landing, takeoff, stopover, or refueling of such aircraft at the airport.

Cost

Cost: up to $18,100

The fiscal impact cannot be determined because the number of new convictions under the Bill cannot be estimated. The average State cost per Class D felony is between $13,000 and $18,100. The estimated impact to the General Fund includes operating costs incurre…

Senate subcommittee · named March 10, 2026

Sen. Cherielynn Westrich (R) · cherielynn.westrich@legis.iowa.gov
Sen. Izaah Knox (D) · izaah.knox@legis.iowa.gov
Sen. Jeff Taylor (R) · jeff.taylor@legis.iowa.gov

Lobbying · 1 for, 3 against

For: VALOR Iowa

Against: Cedar Rapids Airport; Iowa Public Airports Association; Rainmaker Technology Corporation

In plain words

February 19, 2026Filed in the House
March 4, 2026Cost estimate (fiscal note) posted
March 5, 2026Passed the House, 59–26
March 9, 2026Arrived in the Senate
March 10, 2026Senate subcommittee named: Westrich, Knox and Taylor
March 18, 2026Subcommittee recommended passing it