GAO's Yellow Book, Generally Accepted Government Auditing Standards (GAGAS)

The City of Chicago Office of Inspector General (OIG) conducted an audit of the Chicago Department of Transportation’s (CDOT) traffic signal planning practices. Traffic signals are one of the most cost-effective tools for promoting traffic safety, reducing congestion, and minimizing air pollution...

The City of Chicago Office of Inspector General (OIG) has completed an audit of the Department of Water Management’s overtime monitoring. The objective of the audit was to determine if DWM effectively monitored overtime to prevent waste and abuse. Based on the audit results, OIG concluded that DWM...

The City of Chicago Office of Inspector General (OIG) has completed an audit of the Juvenile Intervention and Support Center (JISC). JISC is a partnership between the Chicago Police Department (CPD) and Department of Family and Support Service (DFSS) implemented to divert youth away from the...

OIG evaluated the Department of Innovation and Technology’s (DoIT) management of the City’s investment in information technology. DoIT is responsible for ensuring that the City’s technology infrastructure meets the needs of City departments and residents. Effective management of an IT portfolio...

OIG conducted an audit of the Chicago Low-Income Housing Trust Fund’s management of housing quality inspections (HQS) for units participating in the Rental Subsidy Program (RSP) in 2017. OIG concluded that the Trust Fund did not ensure that all properties participating in the RSP met its standards...

OIG assessed how well the Chicago Department of Public Health (CDPH) monitors facilities that pollute the air. We found that the CDPH was not meeting its internal air-quality inspection frequency goals and was not ensuring that facilities annually renew their required Certificates of Operation...

OIG evaluated the Department of Fleet and Facility Management’s (2FM) maintenance of the Chicago Police Department’s (CPD) vehicle fleet to determine whether it was attaining 95% fleet availability and whether 2FM was performing preventive maintenance in a timely manner. 2FM maintains approximately...

OIG audited the Department of Law’s (DOL) process for notifying people of sanitation code violations cited by the Department of Streets and Sanitation, such as overflowing garbage containers or uncut weeds. The Collections, Ownership, and Administrative Litigation (COAL) division of DOL is...

OIG audited the Chicago Department of Transportation’s (CDOT) billing process for commercial driveway permit annual fees to determine whether the Department accurately and completely billed commercial property owners for driveways that use the public way. We found that CDOT either did not bill, or...

OIG audited the financial and human resource operations of the Chicago Board of Election Commissioners (CBOEC). CBOEC is responsible for conducting all elections within the City of Chicago per the State Election Code, and is funded by both the City of Chicago and Cook County. Although CBOEC...