Chicago Environmental Code Violation Notices 1993-2012

1993 to 2012 municipal and state code violation notices issued by the Chicago Department of Environment and later the Department of Public Health. The dataset contains records of enforcement actions including case details, fines, and locations. It was published by data.cityofchicago.org.

Use Cases

• Analyze spatial patterns of violations by mapping LATITUDE and LONGITUDE coordinates against Community Areas or Wards.
• Model the relationship between CASE TYPE, CODE VIOLATION, and resulting FINE AMOUNT for predictive enforcement analytics.
• Track temporal trends in enforcement activity by analyzing VIOLATION DATE across the 20-year period.
• Profile common violators and case outcomes by aggregating data by RESPONDENT and CASE STATUS.
• Examine address-level details of violations using ADDRESS, STREET NUMBER FROM, and STREET NUMBER TO fields.

Strengths

• Covers a 20-year time range from 1993 to 2012.
• Includes 26 distinct columns providing case, location, and respondent details.
• Contains geospatial fields such as LATITUDE, LONGITUDE, and Boundaries - ZIP Codes.

Limitations

• Data is stale, with no new records after 2012.
• Key metrics like total row count and sample size are unknown.
• License terms for use and redistribution are unspecified.

Provenance

Source

data.cityofchicago.org

Collection Method

Inspection and enforcement records from the Chicago Department of Environment and Department of Public Health.

Time Range

1993-01-01 to 2012-12-31

Freshness

Last metadata update was 2026-04-03, but data coverage ends in 2012.

Geography

Chicago, Illinois, USA