104TH GENERAL ASSEMBLY State of Illinois 2025 and 2026 HB3590 Introduced , by Rep. Martha Deuter SYNOPSIS AS INTRODUCED: 65 ILCS 5/11-13-30 new525 ILCS 35/15 new Amends the Illinois Municipal Code and the Open Space Lands Acquisition and Development Act. Provides that the use of open space for temporary stormwater storage is allowed and does not constitute a change in use. Provides that temporary stormwater storage does not interfere with a requirement that the property must be open to the public for recreation use. Defines "temporary stormwater storage". LRB104 09472 BDA 19533 b A BILL FOR 104TH GENERAL ASSEMBLY State of Illinois 2025 and 2026 HB3590 Introduced , by Rep. Martha Deuter SYNOPSIS AS INTRODUCED: 65 ILCS 5/11-13-30 new525 ILCS 35/15 new 65 ILCS 5/11-13-30 new 525 ILCS 35/15 new Amends the Illinois Municipal Code and the Open Space Lands Acquisition and Development Act. Provides that the use of open space for temporary stormwater storage is allowed and does not constitute a change in use. Provides that temporary stormwater storage does not interfere with a requirement that the property must be open to the public for recreation use. Defines "temporary stormwater storage". LRB104 09472 BDA 19533 b LRB104 09472 BDA 19533 b A BILL FOR 104TH GENERAL ASSEMBLY State of Illinois 2025 and 2026 HB3590 Introduced , by Rep. Martha Deuter SYNOPSIS AS INTRODUCED: 65 ILCS 5/11-13-30 new525 ILCS 35/15 new 65 ILCS 5/11-13-30 new 525 ILCS 35/15 new 65 ILCS 5/11-13-30 new 525 ILCS 35/15 new Amends the Illinois Municipal Code and the Open Space Lands Acquisition and Development Act. Provides that the use of open space for temporary stormwater storage is allowed and does not constitute a change in use. Provides that temporary stormwater storage does not interfere with a requirement that the property must be open to the public for recreation use. Defines "temporary stormwater storage". LRB104 09472 BDA 19533 b LRB104 09472 BDA 19533 b LRB104 09472 BDA 19533 b A BILL FOR HB3590LRB104 09472 BDA 19533 b HB3590 LRB104 09472 BDA 19533 b HB3590 LRB104 09472 BDA 19533 b 1 AN ACT concerning temporary stormwater storage. 2 Be it enacted by the People of the State of Illinois, 3 represented in the General Assembly: 4 Section 5. The Illinois Municipal Code is amended by 5 adding Section 11-13-30 as follows: 6 (65 ILCS 5/11-13-30 new) 7 Sec. 11-13-30. Temporary stormwater storage. 8 Notwithstanding any provision of law to the contrary, the use 9 of open space for temporary stormwater storage is allowed and 10 does not constitute a change in use. Temporary stormwater 11 storage does not interfere with a requirement that the 12 property must be open to the public for recreation use. In this 13 Section, "temporary stormwater storage" means a detention 14 basin or other system designed to temporarily collect, hold, 15 and remove stormwater runoff. 16 Section 10. The Open Space Lands Acquisition and 17 Development Act is amended by adding Section 15 as follows: 18 (525 ILCS 35/15 new) 19 Sec. 15. Temporary stormwater storage. Notwithstanding any 20 provision of law to the contrary, the use of open space for 21 temporary stormwater storage is allowed and does not 104TH GENERAL ASSEMBLY State of Illinois 2025 and 2026 HB3590 Introduced , by Rep. Martha Deuter SYNOPSIS AS INTRODUCED: 65 ILCS 5/11-13-30 new525 ILCS 35/15 new 65 ILCS 5/11-13-30 new 525 ILCS 35/15 new 65 ILCS 5/11-13-30 new 525 ILCS 35/15 new Amends the Illinois Municipal Code and the Open Space Lands Acquisition and Development Act. Provides that the use of open space for temporary stormwater storage is allowed and does not constitute a change in use. Provides that temporary stormwater storage does not interfere with a requirement that the property must be open to the public for recreation use. Defines "temporary stormwater storage". LRB104 09472 BDA 19533 b LRB104 09472 BDA 19533 b LRB104 09472 BDA 19533 b A BILL FOR 65 ILCS 5/11-13-30 new 525 ILCS 35/15 new LRB104 09472 BDA 19533 b HB3590 LRB104 09472 BDA 19533 b HB3590- 2 -LRB104 09472 BDA 19533 b HB3590 - 2 - LRB104 09472 BDA 19533 b HB3590 - 2 - LRB104 09472 BDA 19533 b HB3590 - 2 - LRB104 09472 BDA 19533 b