Straight-ahead summaries built from the official bill text. We keep the source links front and center and leave the decision up to you.
SB4041 • 2026
OHARE SOUND MITIGATION
This bill passed both chambers and reached final enrollment, even if later executive action is not shown here.
Using official source text because the generated explanation was unavailable or could not be confirmed against the official bill text.
OHARE SOUND MITIGATION
These notes stay tied to the official amendment files and metadata from the legislature.
Plain English: Illinois General Assembly - Full Text of SB4041 Select Language × The Illinois General Assembly offers the Google Translate™ service for visitor convenience.
Sent to the Governor
Third Reading - Short Debate - Passed 071-024-000
Passed Both Houses
Added Alternate Co-Sponsor Rep. Justin Cochran
Added Alternate Co-Sponsor Rep. Camille Y. Lilly
Second Reading - Short Debate
Placed on Calendar Order of 3rd Reading - Short Debate
Placed on Calendar 2nd Reading - Short Debate
Chief House Sponsor Rep. Norma Hernandez
First Reading
Referred to Rules Committee
Assigned to Executive Committee
Committee Deadline Extended-Rule 9(b) May 15, 2026
Motion Filed to Suspend Rule 21 Executive Committee ; Rep. Marcus C. Evans, Jr.
Motion to Suspend Rule 21 - Prevailed 070-036-000
Do Pass / Short Debate Executive Committee ; 012-000-000
Third Reading - Passed; 056-000-000
Senate Committee Amendment No. 1 Tabled Pursuant to Rule 5-4(a)
Arrived in House
Second Reading
Placed on Calendar Order of 3rd Reading May 12, 2026
Senate Committee Amendment No. 2 Assignments Refers to Executive
Senate Committee Amendment No. 2 Adopted
Do Pass as Amended Executive ; 013-000-000
Placed on Calendar Order of 2nd Reading May 7, 2026
Senate Committee Amendment No. 2 Filed with Secretary by Sen. Laura M. Murphy
Senate Committee Amendment No. 2 Referred to Assignments
Re-referred to Executive
Re-referred to Assignments
Rule 2-10 Committee/3rd Reading Deadline Established As May 15, 2026
Senate Committee Amendment No. 1 Assignments Refers to Appropriations- Public Safety and Infrastructure
Senate Committee Amendment No. 1 Filed with Secretary by Sen. Laura M. Murphy
Senate Committee Amendment No. 1 Referred to Assignments
Added as Co-Sponsor Sen. Seth Lewis
Rule 2-10 Committee Deadline Established As April 24, 2026
Assigned to Appropriations- Public Safety and Infrastructure
Filed with Secretary by Sen. Laura M. Murphy
First Reading
Referred to Assignments
OHARE SOUND MITIGATION
Illinois General Assembly - Full Text of SB4041 Select Language × The Illinois General Assembly offers the Google Translate™ service for visitor convenience. In no way should it be considered accurate as to the translation of any content herein. Visitors of the Illinois General Assembly website are encouraged to use other translation services available on the internet. The English language version is always the official and authoritative version of this website. NOTE: To return to the original English language version, select the "Show Original" button on the Google Translate™ menu bar at the top of the window. Choose Language English Afrikaans Albanian Arabic Armenian Azerbaijani Basque Bengali Bosnian Catalan Croatian Czech Danish Dutch Esperanto Estonian Filipino Finnish French Galician Georgian German Greek Gujarati Haitian Creole Hausa Hawaiian Hebrew Hindi Hungarian Icelandic Indonesian Interlingua Interlingue Inuktitut Irish Italian Japanese Javanese Kannada Khmer Korean Latin Latvian Lithuanian Luxembourgish Macedonian Malagasy Malayalam Maltese Maori Marathi Myanmar Nepali Norwegian Odia Pashto Punjabi Romanian Russian Samoan Sango Sanskrit Sardinian Sindhi Sinhala Slovak Slovenian Somali Southern Sotho Spanish Sundanese Swahili Swedish Tamil Telugu Thai Tigrinya Tonga Turkish Ukrainian Urdu Vietnamese Welsh Xhosa Yiddish Yoruba Zulu Powered by Translate Close Illinois General Assembly Top Navigation Bar Translate Learn Select General Assembly Search the 104th General Assembly Enter search terms for legislation, members, committees, or schedules. ILGA.GOV LEGISLATION & LAWS Bills & Resolutions Public Acts Illinois Compiled Statutes Illinois Constitution Search Legislation Glossary Guide Reports & Inquiry Legislative Reports Special Reports FTP Site Legislator Lookup Capitol Complex Phone Numbers Rules & Regulations Illinois Register Administrative Rules Senate Members Schedules Committees Request for Remote Testimony Journals Transcripts Rules Audio/Video FOIA Information Senate Employment Opportunities Media Guidelines House Members Schedules Committees Submit testimony for House Committees Journals Transcripts Rules Audio/Video FOIA Information House Employment Opportunities Log In Mobile Top Bar Search the 104th General Assembly Enter keywords to search the Illinois General Assembly website. Full Text of SB4041 Home Legislation Full Text SB4041 - 104th General Assembly Bill Status Full Text Votes Witness Slips Select Menu Bill Status Full Text Votes Witness Slips Printer Friendly Version Introduced Engrossed Enrolled Senate Amendment 001 Senate Amendment 002 Printer Friendly Version Introduced Engrossed Enrolled Senate Amendment 001 Senate Amendment 002 Open PDF SB4041 Enrolled LRB104 20739 JDS 34242 b 1 AN ACT concerning State government. 2 Be it enacted by the People of the State of Illinois, 3 represented in the General Assembly: 4 Section 5. The Permanent Noise Monitoring Act is amended 5 by adding Section 16 as follows: 6 (620 ILCS 35/16 new) 7 Sec. 16. Noise contour studies. 8 (a) As used in this Section: 9 "Airport sponsor" means the entity that owns or operates a 10 covered airport. 11 "Covered airport" means an airport, as defined in Section 12 6 of the Illinois Aeronautics Act, that is a commercial 13 service airport and that had more than 150,000 aircraft 14 operations, take-offs and landings, during the immediately 15 preceding calendar year. 16 "Noise contour study" means a noise exposure map and 17 accompanying documentation prepared in accordance with 14 CFR 18 Part 150 for existing conditions and forecast conditions. 19 (b) Beginning no later than December 31, 2030 and every 5 20 years thereafter, the airport sponsor shall prepare or cause 21 to be prepared a noise contour study for each covered airport 22 under its jurisdiction. 23 (c) Each noise contour study required under this Section SB4041 Enrolled - 2 - LRB104 20739 JDS 34242 b 1 shall: 2 (1) be prepared using the methodology required under 3 14 CFR Part 150; 4 (2) include contours for existing conditions and 5 forecast conditions; 6 (3) identify the location and extent of noncompatible 7 land uses within the contours to the extent required under 8 14 CFR Part 150; 9 (4) include a summary of changes, if any, from the 10 most recently completed noise contour study; and 11 (5) include a modernization review evaluating whether 12 additional analysis should be included in future studies, 13 including, but not limited to: 14 (A) the use of supplemental noise contours, 15 including contours below DNL 65 dB; 16 (B) changes in federal guidance, methodology, or 17 modeling tools; 18 (C) changes in aircraft operations, fleet mix, 19 runway usage, nighttime operations, or surrounding 20 land uses; and 21 (D) whether additional metrics, thresholds, or 22 disclosure practices should be used for informational 23 or planning purposes in addition to those required 24 under 14 CFR Part 150. 25 (d) The modernization review required under paragraph (5) 26 of subsection (c) shall include findings and recommendations SB4041 Enrolled - 3 - LRB104 20739 JDS 34242 b 1 concerning whether any revisions to applicable noise 2 thresholds, contours, methodologies, or disclosure practices 3 should be considered by the airport sponsor, the State, or the 4 Federal Aviation Administration. 5 (e) The airport sponsor shall make each completed noise 6 contour study available to the public on its website and shall 7 submit a copy to the Governor, the President of the Senate, the 8 Senate Minority Leader, the Speaker of the House of 9 Representatives, and the Minority Leader of the House of 10 Representatives. 11 (f) Nothing in this Section prohibits the airport sponsor 12 from preparing a revised or supplemental noise contour study 13 at any time more frequently than required under this Section. Footer Disclaimer This site is maintained for the Illinois General Assembly by the Legislative Information System, 705 Stratton Building, Springfield, Illinois 62706. Contact ILGA Webmaster ILGA.gov uses cookies to ensure you get the best experience on our website. By continuing to browse ILGA.gov you consent to our use of cookies. Read About Cookies ILGA.GOV 2026 ILGA.gov | All Rights Reserved | ADA | Disclaimers | Learn This site is maintained for the Illinois General Assembly by the Legislative Information System, 705 Stratton Building, Springfield, Illinois 62706. Contact ILGA Webmaster ILGA.gov uses cookies to ensure you get the best experience on our website. By continuing to browse ILGA.gov you consent to our use of cookies. Read About Cookies ILGA.GOV 2026 ILGA.gov | All Rights Reserved | ADA | Disclaimers | Learn