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HB 4941104th
bill

104th General Assembly (2025 to 2026) · House of Representatives bill

HB 4941

OLD UNDERGROUND STORAGE TANKS

Sent to Governor Last action July 31, 2026: Public Act . . . . . . . . . 104-0688

Official bill page and text: ilga.gov

Sponsors 7

Prime sponsors
Joyce Mason, Julie A. Morrison
Cosponsors (5)
Andrew S. Chesney, Anthony DeLuca, Dagmara Avelar, Diane Blair-Sherlock, Jason Plummer

Status

Sent to Governor as of July 31, 2026. The 104th General Assembly serves until the 105th convenes on January 13, 2027.

Referred to: House Energy and Environment, Senate Environment and Conservation (from the official referral record)

Roll-call votes 6

May 21, 2026State SenateThird ReadingPassed59-0

yes (59) Simmons, Joyce, Faraci, Anderson, Sims, Koehler, Feigenholtz, Aquino, Stadelman, Lewis, Fine, Arellano, L., Syverson, Lightford, Fowler, Balkema, Tracy, Loughran Cappel, Glowiak Hilton, Belt, Turner, D., Martwick, Guzmán, Bryant, Turner, S., McClure, Halpin, Castro, Ventura, Morrison, Harris, N., Cervantes, Villa, Murphy, Harriss, E., Chesney, Villanueva, Peters, Hastings, Collins, Villivalam, Plummer, Hills, Cunningham, Walker, Porfirio, Holmes, Curran, Wilcox, Preston, Hunter, DeWitte, Harmon, Rezin, Johnson, Edly-Allen, Rose, Jones, E., Ellman

Official roll call

May 7, 2026State SenateDo PassPassed8-0

yes (8) DeWitte, Donald P, Chesney, Andrew S, Ellman, Laura, Johnson, Adriane, Plummer, Jason, Morrison, Julie A, Walker, Mark L, Villa, Karina

not voting (2) Feigenholtz, Sara, Fine, Laura

Official roll call

April 16, 2026House of RepresentativesThird ReadingPassed109-0

yes (109) Mussman, Grasse, Ammons, Ness, Guerrero-Cuellar, Andrade, Niemerg, Guzzardi, Avelar, Olickal, Benton, Ortíz, Halbrook, Blair-Sherlock, Rashid, Hammond, Briel, Reick, Hanson, Buckner, Rita, Harper, Bunting, Hauter, Cabello, Hernandez, Barbara, Canty, Sanalitro, Hernandez, Lisa, Cassidy, Scherer, Hernandez, Norma, Chung, Schmidt, Hirschauer, Cochran, Schweizer, Hoffman, Coffey, Severin, Crawford, Sheehan, Jacobs, Crespo, Slaughter, Jiménez, Croke, Smith, Johnson, Davidsmeyer, Sosnowski, Jones, Davis, Jed, Katz Muhl, Davis, Lisa, Stava, Keicher, Davis, Will, Kelly, Deering, Stuart, Kifowit, DeLaRosa, Swanson, La Ha, Delgado, Syed, LaPointe, DeLuca, Tarver, Lilly, Deuter, Mah, Didech, Ugaste, Manley, Du Buclet, Vella, Mason, Elik, Walsh, Mayfield, Evans, Weaver, McCombie, Faver Dias, Weber, McLaughlin, West, Meier, Friess, Wilhour, Meyers-Martin, Fritts, Williams, Ann, Miller, Gabel, Williams, Jawaharial, Moeller, Gill, Windhorst, Moore, Gong-Gershowitz, Yang Rohr, Morgan, González, Welch, Morris, Gordon-Booth

excused (9) Haas, Rosenthal, Ryan, Huynh, Spain, Stephens, Tipsword, Ford, Grant

Official roll call

April 15, 2026House of RepresentativesDo Pass, Amendment 3Passed24-0

yes (24) Briel, Amy, Blair-Sherlock, Diane, Davis, Jed, Bunting, Jason R, Deering, Regan, Davis, William "Will", Faver Dias, Laura, Du Buclet, Kimberly, Halbrook, Brad, Fritts, Bradley, Hernandez, Norma, Harper, Sonya M, Meier, Charles, Mason, Joyce, Moeller, Anna, Miller, Chris, Niemerg, Adam M, Ness, Suzanne M, Rashid, Abdelnasser, Ortíz, Aarón M, Severin, Dave, Walsh Jr., Lawrence "Larry", Williams, Ann M, Wilhour, Blaine

not voting (5) Mah, Theresa, Jiménez, Lilian, Stava, Anne, Tarver II, Curtis J, Williams, Jawaharial

Official roll call

April 7, 2026House of RepresentativesDo Pass, Amendment 2Passed25-0

yes (25) Blair-Sherlock, Diane, Ammons, Carol, Bunting, Jason R, Briel, Amy, Davis, Jed, Du Buclet, Kimberly, Deering, Regan, Fritts, Bradley, Faver Dias, Laura, Harper, Sonya M, Halbrook, Brad, Jiménez, Lilian, Hernandez, Norma, Meier, Charles, Mason, Joyce, Moeller, Anna, Miller, Chris, Ortíz, Aarón M, Niemerg, Adam M, Severin, Dave, Rashid, Abdelnasser, Stava, Anne, West II, Maurice A, Walsh Jr., Lawrence "Larry", Williams, Jawaharial

not voting (4) Davis, William "Will", Tarver II, Curtis J, Williams, Ann M, Wilhour, Blaine

Official roll call

March 18, 2026House of RepresentativesDo PassPassed27-0

yes (27) Avelar, Dagmara, Ammons, Carol, Bunting, Jason R, Blair-Sherlock, Diane, Cochran, Justin, Deering, Regan, Davis, William "Will", Evans Jr., Marcus C, Du Buclet, Kimberly, Fritts, Bradley, Faver Dias, Laura, Halbrook, Brad, Gordon-Booth, Jehan, Johnson, Gregg, Harper, Sonya M, Mason, Joyce, Katz Muhl, Tracy, Miller, Chris, Meier, Charles, Ness, Suzanne M, Moeller, Anna, Ortíz, Aarón M, Severin, Dave, Rashid, Abdelnasser, Wilhour, Blaine, West II, Maurice A, Williams, Ann M

not voting (2) Davis, Jed, Niemerg, Adam M

Official roll call

Timeline 47

DateChamberAction
July 31, 2026HousePublic Act . . . . . . . . . 104-0688
July 31, 2026HouseEffective Date January 1, 2027
July 31, 2026HouseGovernor Approved
June 18, 2026HouseSent to the Governor
May 21, 2026HousePassed Both Houses
May 21, 2026SenateThird Reading - Passed; 059-000-000
May 21, 2026SenateAdded as Alternate Co-Sponsor Sen. Jason Plummer
May 19, 2026SenatePlaced on Calendar Order of 3rd Reading **
May 14, 2026SenatePlaced on Calendar Order of 3rd Reading May 18, 2026
May 14, 2026SenateSecond Reading
May 7, 2026SenateAdded as Alternate Co-Sponsor Sen. Andrew S. Chesney
May 7, 2026SenatePlaced on Calendar Order of 2nd Reading May 12, 2026
May 7, 2026SenateDo Pass Environment and Conservation; 008-000-000
April 28, 2026SenateAssigned to Environment and Conservation
April 21, 2026SenateReferred to Assignments
April 21, 2026SenateFirst Reading
April 21, 2026SenateChief Senate Sponsor Sen. Julie A. Morrison
April 21, 2026SenatePlaced on Calendar Order of First Reading
April 21, 2026SenateArrive in Senate
April 16, 2026HouseAdded Co-Sponsor Rep. Diane Blair-Sherlock
April 16, 2026HouseAdded Chief Co-Sponsor Rep. Anthony DeLuca
April 16, 2026HouseHouse Floor Amendment No. 2 Tabled
April 16, 2026HouseThird Reading - Short Debate - Passed 109-000-000
April 16, 2026HousePlaced on Calendar Order of 3rd Reading - Short Debate
April 16, 2026HouseHouse Floor Amendment No. 3 Adopted
April 16, 2026HouseHouse Floor Amendment No. 2 Withdrawn by Rep. Joyce Mason
April 15, 2026HouseHouse Floor Amendment No. 3 Recommends Be Adopted Energy & Environment Committee; 024-000-000
April 14, 2026HouseHouse Floor Amendment No. 3 Rules Refers to Energy & Environment Committee
April 14, 2026HouseHouse Floor Amendment No. 3 Referred to Rules Committee
April 14, 2026HouseHouse Floor Amendment No. 3 Filed with Clerk by Rep. Joyce Mason
April 10, 2026HouseHeld on Calendar Order of Second Reading - Short Debate
April 10, 2026HouseSecond Reading - Short Debate
April 8, 2026HouseAdded Chief Co-Sponsor Rep. Dagmara Avelar
April 7, 2026HouseHouse Floor Amendment No. 2 Recommends Be Adopted Energy & Environment Committee; 025-000-000
March 24, 2026HouseHouse Floor Amendment No. 2 Rules Refers to Energy & Environment Committee
March 19, 2026HouseHouse Floor Amendment No. 2 Referred to Rules Committee
March 19, 2026HouseHouse Floor Amendment No. 2 Filed with Clerk by Rep. Joyce Mason
March 19, 2026HousePlaced on Calendar 2nd Reading - Short Debate
March 18, 2026HouseHouse Committee Amendment No. 1 Tabled
March 18, 2026HouseDo Pass / Short Debate Energy & Environment Committee; 027-000-000
March 18, 2026HouseHouse Committee Amendment No. 1 Rules Refers to Energy & Environment Committee
March 12, 2026HouseHouse Committee Amendment No. 1 Referred to Rules Committee
March 12, 2026HouseHouse Committee Amendment No. 1 Filed with Clerk by Rep. Joyce Mason
March 12, 2026HouseAssigned to Energy & Environment Committee
February 6, 2026HouseReferred to Rules Committee
February 6, 2026HouseFirst Reading
February 4, 2026HouseFiled with the Clerk by Rep. Joyce Mason

Data: Open States (API v3; public data, attribution appreciated). Official record: ilga.gov. Bill pages link to the official text, not copied.

Sources for this page

Bill, action and roll-call data from Open States (public data, attribution appreciated). Neither Illinois Capitol Guide nor this information, as presented here, is endorsed by the Illinois General Assembly.