Current legislation being monitored, but has not yet passed or signed by Governor.

https://ilwaa.org/ilwaa2026wp/wp-content/uploads/2026/09/IWAA-Priority-July-3-2026.docx

New legislation introduced in October (2026) that is relevant to IWAA activities and whose movement through the process is being monitored by IWAA – HB5818 Short Description: LOC GOVT-DATA CENTER – Rep. Christopher “C.D.” Davidsmeyer

Amends the Counties Code. Allows a county to establish standards for the construction of data centers by ordinance. Provides that the standards may include, without limitation, the size, height, and design of structures and the number of facilities that may be located within a geographic area. Provides that a county may regulate the siting of data centers in unincorporated areas of the county outside of the zoning jurisdiction of a municipality and may establish other specified standards. Sets forth provisions concerning notice and hearings. Provides that any provision of a county zoning ordinance pertaining to data centers that is in effect prior to the effective date may remain in effect. Amends the Illinois Municipal Code. Provides that a municipality may, by ordinance, regulate the siting of data centers within the municipality’s zoning jurisdiction, including the 1.5-mile radius surrounding its zoning jurisdiction, and may establish other specified standards. Sets forth provisions concerning notice and hearings.
DateChamber Action
10/2/2026HouseFiled with the Clerk by Rep. Christopher “C.D.” Davidsmeyer
HB1453Robyn GabelDRINKING WATER AUTHORITY-TECH3/21/2025 House Rule 19(a) / Re-referred to Rules Committee
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HB2891Margaret A. DeLaRosaWATER COMMISSION-CONSTRUCTION4/11/2025 House Rule 19(a) / Re-referred to Rules Committee
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HB3614Carol AmmonsEPA-CARBON CAPTURE-AQUIFER4/11/2025 House Rule 19(a) / Re-referred to Rules Committee
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HB4625Joe C. SosnowskiLOW POP TWP DIST DISSOLUTION2/3/2026 House Referred to Rules Committee
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HB4689Tracy Katz MuhlNE IL WATER GOVERNANCE REPORT4/15/2026 Senate Referred to Assignments
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HB4951Martha DeuterWATER COMMISSION-CONSTRUCTION3/27/2026 House Rule 19(a) / Re-referred to Rules Committee
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HB4989Kimberly Du BucletDATA CENTER HEATING/COOLING2/6/2026 House Referred to Rules Committee
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HB5391Natalie A. ManleyGOV REPORT ENHANCEMENT ACT4/17/2026 House Rule 19(a) / Re-referred to Rules Committee
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HB5513Robyn GabelHYPERSCALE DATA CENTERS3/27/2026 House Rule 19(a) / Re-referred to Rules Committee
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HB5786Theresa MahCO2 PIPELINES-EMINENT DOMAIN5/21/2026 House Referred to Rules Committee
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SB0182Chapin RoseCARBON SEQUESTRATION-PROHIBIT4/11/2025 Senate Rule 3-9(a) / Re-referred to Assignments
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SB1887Donald P. DeWitteWATER COMMISSION-CONSTRUCTION4/11/2025 Senate Rule 3-9(a) / Re-referred to Assignments
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SB2217Suzy Glowiak HiltonLOW POP TWP DIST DISSOLUTION3/21/2025 Senate Rule 3-9(a) / Re-referred to Assignments
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SB2842Michael W. HalpinCO2 PIPELINES-EMINENT DOMAIN3/27/2026 Senate Rule 3-9(a) / Re-referred to Assignments
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SB3026Mike SimmonsGROUNDWATER MANAGEMENT6/1/2026 Senate Rule 3-9(a) / Re-referred to Assignments
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SB3081Paul FaraciEPA-MAHOMET AQUIFER3/13/2026 Senate Rule 3-9(a) / Re-referred to Assignments
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SB3162Laura EllmanGROUNDWATER WITHDRAWALS3/27/2026 Senate Rule 3-9(a) / Re-referred to Assignments
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SB3227Doris TurnerNITROGEN REDUCTION INCENTIVE5/22/2026 Senate Rule 3-9(a) / Re-referred to Assignments
SB3381Laura EllmanWATER COMMISSION-CONSTRUCTION5/31/2026 House Rule 19(a) / Re-referred to Rules Committee
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SB3830Rachel VenturaDATA CENTERS-VARIOUS5/22/2026 Senate Rule 3-9(a) / Re-referred to Assignments
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SB3889Rachel VenturaVALUATION OF WATER UTILITIES3/13/2026 Senate Rule 3-9(a) / Re-referred to Assignments
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SB4004Chapin RoseAQUIFER PROTECTION ACT5/22/2026 Senate Rule 3-9(a) / Re-referred to Assignments
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SB4016Ram VillivalamHYPERSCALE DATA CENTERS5/22/2026 Senate Rule 3-9(a) / Re-referred to Assignments
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SB4212Darby A. HillsWELL SEPTIC HOUSING TASK FORCE5/30/2026 Senate Referred to Assignments
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