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

HF 2173: Relating to the intentional emission of air contaminants into the atmosphere, including prohibitions and reporting requirements, and providing penalties

Became HF 2640 · Its progress continues under the new number.

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.

Sponsors

Rep. Jeff Shipley (R)

Cost

See the fiscal note

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…

House subcommittee · named January 29, 2026

  • Rep. Sam Wengryn (R) · sam.wengryn@legis.iowa.gov
  • Rep. Craig P. Johnson (R) · craig.johnson@legis.iowa.gov
  • Rep. Mary Lee Madison (D) · mary.madison@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

  1. January 27, 2026Filed in the House and sent to the Environmental Protection committee
  2. January 29, 2026House subcommittee named: Wengryn, Johnson, C. and Madison
  3. February 5, 2026Subcommittee recommended passing it with changes
  4. February 18, 2026Approved by the House committee
  5. February 18, 2026Committee vote: 9–4
  6. February 19, 2026Approved by the House committee, and given a new number: HF 2640
  7. March 9, 2026Withdrawn

From public records at legis.iowa.gov, compiled by Funnel (iowafunnel.com), an independent, nonpartisan site. Current as of Monday, November 9, 2026. https://iowafunnel.com/bills/91/HF2173