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Bills · 2025-2026 Regular Session

SB 360

Died at session end Official bill text Atom feed

Relating to: limiting the release of certain balloons into the atmosphere, granting rule-making authority, and providing a penalty.

Environmental protection Solid waste management

  1. Introduced, stopped here
  2. Passes Senate, not reached
  3. Passes Assembly, not reached
  4. Governor signs, not reached
  5. Law, not reached

Unfamiliar terms? Glossary

What this bill does

Plain-language analysis by the nonpartisan Legislative Reference Bureau

This bill prohibits the release into the atmosphere of 10 or more balloons constructed with biaxially oriented polyethylene terephthalate (commonly known under the trade name Mylar) and inflated with lighter-than-air gas. A violation of this prohibition is punishable by a $500 forfeiture. The prohibition does not apply to balloons that are 1) released indoors, 2) released for scientific or meteorological purposes, or 3) released by or on behalf of any government agency for scientific or meteorological purposes.

Sponsors

Introduced by: Carpenter (D) , Larson (D) , Ratcliff (D) , Smith (D) , Spreitzer (D)

7 cosponsors

Cruz (D) , Habush Sinykin (D) , Ortiz-Velez (D) , Palmeri (D) , Prado (D) , Roe (D) , Sinicki (D)

Registered lobbying interests · 3

Organizations that registered lobbying activity on this bill with the Wisconsin Ethics Commission. Registration means interest, not a position for or against. Official record

Full history

  1. Jun 27, 2025 · Senate

    Introduced by Senators Carpenter, Larson, Ratcliff, Smith and Spreitzer; cosponsored by Representatives Sinicki, Cruz, Ortiz-Velez, Palmeri, Prado and Roe

  2. Jun 27, 2025 · Senate

    Read first time and referred to Committee on Natural Resources, Veteran and Military Affairs

  3. Sep 15, 2025 · Senate

    Senator Habush Sinykin added as a coauthor

  4. Mar 23, 2026 · Senate

    Failed to pass pursuant to Senate Joint Resolution 1