Chicago Environmental and Public Health Permits, 1993-2011

Permits issued by the Chicago Department of Environment from 1993 to 2011, with authority transferred to the Department of Public Health in 2012. The dataset also includes tank permits issued on behalf of the Illinois State Fire Marshal. Data is provided by the City of Chicago in multiple machine-readable formats.

Use Cases

• Analyze trends in environmental permitting activity based on the 1993-2011 time range
• Study regulatory agency transitions based on the 2012 transfer from DOE to CDPH
• Cross-reference tank safety permits based on inclusion of OSFM-issued permits

Strengths

• Covers a defined 18-year period from 1993 to 2011
• Documents a specific regulatory transition occurring in January 2012
• Available in multiple structured formats including CSV and JSON

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment
• Freshness should be verified as the last metadata update is dated 2026-03-22

Provenance

Source

City of Chicago

Collection Method

Permits issued by the Department of Environment (DOE) and later the Department of Public Health (CDPH).

Time Range

January 1993 to December 31, 2011 (DOE), and from January 1, 2012 onward (CDPH).

Freshness

Last updated 2026-03-22 04:07:14.598075

Geography

City of Chicago, Illinois, USA.