ILCS » Chapter 740 · Act 174
Illinois Compiled Statutes

740 ILCS 174/1 (2026)

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✓ current as of May 2026
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(740 ILCS 174/1)
    Sec. 1. Short title. This Act may be cited as the Whistleblower Act.
(Source: P.A. 93-544, eff. 1-1-04.)

    
Notes of Decisions
Cited in 104 cases (30 in the last 5 years), 2006–2025 · leading case: Rehfield v. Diocese of Joliet, 2021 IL 125656 (Ill. 2021).
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Rehfield v. Diocese of Joliet, 2021 IL 125656 (Ill. 2021). · cites it 2× “OPINION ¶1 Plaintiff Mary Rehfield filed a two-count amended complaint against defendant, the Diocese of Joliet, alleging retaliatory discharge and violation of the Whistleblower Act (740 ILCS 174/1 et seq. (West 2016)). Defendant filed a combined motion to dismiss the complaint…”
Brummel v. Grossman, 2018 IL App (1st) 170516 (Ill. App. Ct. 2018). · cites it 5× “1 The lawsuit, originally filed by Bruce Brummel 2 (decedent) on December 30, 2014, alleged legal malpractice against defendants for negligently representing him during a case he filed in 2009 against his employer, Nicor Gas, for retaliatory discharge and for a violation of the…”
Sardiga v. N. Trust Co., 948 N.E.2d 652 (Ill. App. Ct. 2011). · cites it 2× “He filed a two-count complaint alleging retaliatory discharge and a violation of the Illinois Whistleblower Act (740 ILCS 174/1 et seq. (West 2004)). He claims that he was fired as a result of his repeated complaints and questions to supervisors which expressed his belief that…”
Ulm v. Mem'l Med. Ctr., 964 N.E.2d 632 (Ill. App. Ct. 2012). · cites it 2× “¶ 1 In March 2007, plaintiff Janet Ulm sued her former employer, defendant Memorial Medical Center, alleging (1) retaliatory discharge, (2) violation of the Whistleblower Act (740 ILCS 174/1 through 35 (West 2006)), (3) intentional infliction of emotional distress, (4) negligent…”
Brummel v. Grossman, 2018 IL App (1st) 162540 (Ill. App. Ct. 2018). · cites it 2× “Daniels, a friend that the decedent had met through the Shriner's, and defendant Daniels agreed to represent decedent in a workers' compensation and occupational diseases case and an action against Nicor for retaliatory discharge and violating the Whistleblower Act ( 740 ILCS…”
Cunliffe v. Wright, 51 F. Supp. 3d 721 (N.D. Ill. 2014). · cites it 2× “§§ 1981 , 1988 for race discrimination and harassment; state law claims under the Illinois False Claims Act (“IFCA”), the Illinois Whistleblower Act, 740 ILCS 174/1, and the Illinois School Code, 105 ILCS 5/34-85; and Illinois common law claims for retaliatory discharge,…”
Parks v. Speedy Title & Appraisal Review Servs., 318 F. Supp. 3d 1053 (E.D. Ill. 2018). “§ 206 (d) ("EPA"), the Illinois Whistleblower Act, 740 ILCS 174/1 et seq. ("IWA"), the New Jersey Conscientious Employee Protection Act, N.”
Sweeney v. The City of Decatur, 2017 IL App (4th) 160492 (Ill. App. Ct. 2017). “BACKGROUND ¶4 In the February 2016 complaint, plaintiff asserted a claim of common-law retaliatory discharge and a violation of the Whistleblower Act (740 ILCS 174/1 et seq. (West 2014)) against the City and Gleason.”
Brummel v. Grossman, 2018 IL App (1st) 170516 (Ill. App. Ct. 2019). · cites it 4× “1 The lawsuit, originally filed by Bruce Brummel 2 (decedent) on December 30, 2014, alleged legal malpractice against defendants for negligently representing him during a case he filed in 2009 against his employer, Nicor Gas, for retaliatory discharge and for a violation of the…”
Mullins v. Evans, 2021 IL App (1st) 191962 (Ill. App. Ct. 2021). “Count V was against all defendants, for violation of the Whistleblower Act (740 ILCS 174/1 et seq. (West 2016)). ¶ 13 Attached to the complaints were several exhibits.”
Callahan v. Edgewater Care & Rehab. Ctr., Inc., 872 N.E.2d 551 (Ill. App. Ct. 2007). “This appeal raises a very narrow issue: namely, whether the enactment of the Whistleblower Act (740 ILCS 174/1 et seq. (West 2004)) repealed by implication the common-law action for retaliatory discharge then existing in favor of an individual who is discharged from her…”
Crowley v. Watson, 2016 IL App (1st) 142847 (Ill. App. Ct. 2016). “Defendants, meanwhile, suggested that there was no relationship between the 1 Crowley previously filed a claim against CSU under the Illinois Whistleblower Act (740 ILCS 174/1 et seq. (West 2008)), but the trial court dismissed the claim giving Crowley leave to replead in the…”
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