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Federal
EPA Enforcement and Compliance History Online: Hazardous Waste Sites Data Set
U.S. Environmental Protection Agency —
The Enforcement and Compliance History Online (ECHO) data sets have been compiled for access to larger sets of national data to ensure that ECHO meets your data... -
Federal
EPA Enforcement and Compliance History Online: ICIS-NPDES Limit
U.S. Environmental Protection Agency —
Integrated Compliance Information System (ICIS) National Pollutant Discharge Elimination System (NPDES) Permit Limits data set for Clean Water Act permitted dischargers. -
Federal
EPA Enforcement and Compliance History Online: Legacy System Clean Air Act Data Set (ZIP)
U.S. Environmental Protection Agency —
The Enforcement and Compliance History Online (ECHO) data sets have been compiled for access to larger sets of national data to ensure that ECHO meets your data... -
Parking Violations Issued in February 2020
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
City
Police Transparency - Arrests - All Data (main table / denormalized)
City of Tempe —
Main Table / Denormalized VersionThis dataset provides demographic information related to arrests made by the Tempe Police Department. Each record represents an... -
Parking Violations Issued in January 2024
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
DMV Boot and Tow
District of Columbia —
April 1, 2025: data feeds from DMV are currently offline while the agency works to migrate reporting systems. The most recent data available is from December 2024.... -
Federal
EPA Enforcement and Compliance History Online: Clean Water Act Dischargers Data Set (effluent violations)
U.S. Environmental Protection Agency —
The Enforcement and Compliance History Online (ECHO) data sets have been compiled for access to larger sets of national data to ensure that ECHO meets your data... -
Moving Violations Issued in May 2018
District of Columbia —
Moving citation locations in the District of Columbia. The data contained in this layer pertain to moving violations issued by the District of Columbia's Metropolitan... -
Moving Violations Issued in September 2021
District of Columbia —
Moving citation locations in the District of Columbia. The Vision Zerodata contained in this layer pertain to moving violations issued by the District of Columbia's... -
Moving Violations Issued in August 2015
District of Columbia —
Moving citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to moving violations issued by the District of Columbia's... -
Moving Violations Issued in January 2015
District of Columbia —
Moving citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to moving violations issued by the District of Columbia's... -
Parking Violations Issued in August 2022
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
Parking Violations Issued in August 2025
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
Federal
EPA Enforcement and Compliance History Online: EPA Enforcement Action Data Set
U.S. Environmental Protection Agency —
The Enforcement and Compliance History Online (ECHO) data sets have been compiled for access to larger sets of national data to ensure that ECHO meets your data... -
Federal
EPA Enforcement and Compliance History Online: Water Discharge Monitoring Report Data Sets for FY2014
U.S. Environmental Protection Agency —
Integrated Compliance Information System (ICIS) National Pollutant Discharge Elimination System (NPDES) Discharge Monitoring Report (DMR) data sets for Clean Water... -
Parking Violations Issued in April 2025
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
Parking Violations Issued in September 2024
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
Moving Violations Issued in April 2025
District of Columbia —
Moving citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to moving violations issued by the District of Columbia's... -
Parking Violations Issued in July 2018
District of Columbia —
Parking citation locations in the District of Columbia. The data contained in this layer pertain to parking violations issued by the District of Columbia's...