Lobbyists registered with the Chicago Board of Ethics since 2012. Due to requirements for lobbyists to re-register and the importance of showing year for most lobbying-related data, the same lobbyist often will have multiple records. See http://www.cityofchicago.org/city/en/depts/ethics/provdrs/lobby.html for more information on the Board of Ethics' role in regulating and reporting on lobbying in Chicago.

Clients represented by registered lobbyists as reported in their Lobbyist Statements of Registration. Due to requirements for lobbyists to re-register and the importance of showing year for most lobbying-related data, the same client often will have multiple records. See http://www.cityofchicago.org/city/en/depts/ethics/provdrs/lobby.html for more information on the Board of Ethics' role in regulating and reporting on lobbying in Chicago.

All vendor payments made by the City of Chicago from 1996 to present. Payments from 1996 through 2002 have been rolled-up and appear as "2002." Payment information is available as summarized totals for 2003 through 2009. These data are extracted from the City’s Vendor, Contract, and Payment Search.

Time Period: 1996 to present.

Frequency: Data is updated daily.

Related Applications: City of Chicago Vendor, Contract, and Payments Search (http://webapps.cityofchicago.org/VCSearchWeb/org/cityofchicago/vcsearch/controller/payments/begin.do?agencyId=city).

All vendor payments made by the City of Chicago from 1996 to present. Payments from 1996 through 2002 have been rolled-up and appear as "2002." Total payment information is summarized for each vendor and contract number for data older than two years. These data are extracted from the City’s Vendor, Contract, and Payment Search.

Time Period: 1996 to present.

Frequency: Data is updated daily.

Related Applications: City of Chicago Vendor, Contract, and Payments Search (http://webapps.cityofchicago.org/VCSearchWeb/org/cityofchicago/vcsearch/controller/payments/begin.do?agencyId=city).

Contracts and modifications awarded by the City of Chicago since 1993. This data is currently maintained in the City’s Financial Management and Purchasing System (FMPS), which is used throughout the City for contract management and payment.
Legacy System Records: Purchase Order/Contract Numbers that begin with alpha characters identify records imported from legacy systems. Records with a null value in the Contract Type field were imported from legacy systems.
"Comptroller-Other" Contract Type: Some records where the Contract Type is "COMPTROLLER-OTHER" are ordinance-based agreements and may have start dates earlier than 1993.
Depends Upon Requirements Contracts: If the contract Award Amount is $0, the contract is not cancelled, and the contract is a blanket contract, then the contract award total Depends Upon Requirements. A Depends Upon Requirements contract is an indefinite quantities contract in which the City places orders as needed and the vendor is not guaranteed any particular contract award amount.

Blanket vs. Standard Contracts: Only blanket contracts (contracts for repeated purchases) have FMPS end dates. Standard contracts (for example, construction contracts) terminate upon completion and acceptance of all deliverables. These dates are tracked outside of FMPS.

Negative Modifications: Some contracts are modified to delete scope and money from a contract. These reductions are indicated by negative numbers in the Award Amount field of this dataset.

Data Owner: Procurement Services.
Time Period: 1993 to present.
Frequency: Data is updated daily.

Contracts and modifications awarded by the City of Chicago since 1993. This data is currently maintained in the City’s Financial Management and Purchasing System (FMPS), which is used throughout the City for contract management and payment.
Legacy System Records: Purchase Order/Contract Numbers that begin with alpha characters identify records imported from legacy systems. Records with a null value in the Contract Type field were imported from legacy systems.
"Comptroller-Other" Contract Type: Some records where the Contract Type is "COMPTROLLER-OTHER" are ordinance-based agreements and may have start dates earlier than 1993.
Depends Upon Requirements Contracts: If the contract Award Amount is $0, the contract is not cancelled, and the contract is a blanket contract, then the contract award total Depends Upon Requirements. A Depends Upon Requirements contract is an indefinite quantities contract in which the City places orders as needed and the vendor is not guaranteed any particular contract award amount.

Blanket vs. Standard Contracts: Only blanket contracts (contracts for repeated purchases) have FMPS end dates. Standard contracts (for example, construction contracts) terminate upon completion and acceptance of all deliverables. These dates are tracked outside of FMPS.

Negative Modifications: Some contracts are modified to delete scope and money from a contract. These reductions are indicated by negative numbers in the Award Amount field of this dataset.

Data Owner: Procurement Services.
Time Period: 1993 to present.
Frequency: Data is updated daily.

FOIA requests received by the Office of Emergency Management and Communications as of May 1, 2010

FOIA requests received by the Office of the Chicago City Clerk as of May 1, 2010

FOIA requests received by Transportation as of May 1, 2010

A public passenger vehicle is a vehicle used for the transportation of passengers for hire by a public chauffeur. The list of public passenger vehicles includes licensed taxicabs (medallions), liveries, ambulances, medicars, charter-sightseeing buses, horse-drawn carriages, and pedicabs. For more information, please see http://www.cityofchicago.org/city/en/depts/bacp/supp_info/bacppublicvehicles.html.

A public passenger vehicle is a vehicle used for the transportation of passengers for hire by a public chauffeur. This filtered view contains only licensed taxicabs. The dataset of public passenger vehicles on which this view is based includes licensed taxicabs (medallions), liveries, ambulances, medicars, charter-sightseeing buses, horse-drawn carriages, and pedicabs. For more information, please see http://www.cityofchicago.org/city/en/depts/bacp/supp_info/bacppublicvehicles.html.

A public passenger vehicle is a vehicle used for the transportation of passengers for hire by a public chauffeur. This filtered view contains only licensed taxicabs. The dataset of public passenger vehicles on which this view is based includes licensed taxicabs (medallions), liveries, ambulances, medicars, charter-sightseeing buses, horse-drawn carriages, and pedicabs. For more information, please see http://www.cityofchicago.org/city/en/depts/bacp/supp_info/bacppublicvehicles.html.

A public passenger vehicle is a vehicle used for the transportation of passengers for hire by a public chauffeur. This filtered view contains only licensed taxicabs. The dataset of public passenger vehicles on which this view is based includes licensed taxicabs (medallions), liveries, ambulances, medicars, charter-sightseeing buses, horse-drawn carriages, and pedicabs. For more information, please see http://www.cityofchicago.org/city/en/depts/bacp/supp_info/bacppublicvehicles.html.

A public passenger vehicle is a vehicle used for the transportation of passengers for hire by a public chauffeur. This filtered view contains only licensed taxicabs. The dataset of public passenger vehicles on which this view is based includes licensed taxicabs (medallions), liveries, ambulances, medicars, charter-sightseeing buses, horse-drawn carriages, and pedicabs. For more information, please see http://www.cityofchicago.org/city/en/depts/bacp/supp_info/bacppublicvehicles.html.

A public passenger vehicle is a vehicle used for the transportation of passengers for hire by a public chauffeur. This filtered view contains only licensed taxicabs. The dataset of public passenger vehicles on which this view is based includes licensed taxicabs (medallions), liveries, ambulances, medicars, charter-sightseeing buses, horse-drawn carriages, and pedicabs. For more information, please see http://www.cityofchicago.org/city/en/depts/bacp/supp_info/bacppublicvehicles.html.

A public passenger vehicle is a vehicle used for the transportation of passengers for hire by a public chauffeur. The list of public passenger vehicles includes licensed taxicabs (medallions), liveries, ambulances, medicars, charter-sightseeing buses, horse-drawn carriages, and pedicabs. For more information, please see http://www.cityofchicago.org/city/en/depts/bacp/supp_info/bacppublicvehicles.html.

A public passenger vehicle is a vehicle used for the transportation of passengers for hire by a public chauffeur. The list of public passenger vehicles includes licensed taxicabs (medallions), liveries, ambulances, medicars, charter-sightseeing buses, horse-drawn carriages, and pedicabs. For more information, please see http://www.cityofchicago.org/city/en/depts/bacp/supp_info/bacppublicvehicles.html.

A public passenger vehicle is a vehicle used for the transportation of passengers for hire by a public chauffeur. This filtered view contains only licensed taxicabs. The dataset of public passenger vehicles on which this view is based includes licensed taxicabs (medallions), liveries, ambulances, medicars, charter-sightseeing buses, horse-drawn carriages, and pedicabs. For more information, please see http://www.cityofchicago.org/city/en/depts/bacp/supp_info/bacppublicvehicles.html.

A public passenger vehicle is a vehicle used for the transportation of passengers for hire by a public chauffeur. This filtered view contains only licensed taxicabs. The dataset of public passenger vehicles on which this view is based includes licensed taxicabs (medallions), liveries, ambulances, medicars, charter-sightseeing buses, horse-drawn carriages, and pedicabs. For more information, please see http://www.cityofchicago.org/city/en/depts/bacp/supp_info/bacppublicvehicles.html.

A public passenger vehicle is a vehicle used for the transportation of passengers for hire by a public chauffeur. This filtered view contains only licensed taxicabs. The dataset of public passenger vehicles on which this view is based includes licensed taxicabs (medallions), liveries, ambulances, medicars, charter-sightseeing buses, horse-drawn carriages, and pedicabs. For more information, please see http://www.cityofchicago.org/city/en/depts/bacp/supp_info/bacppublicvehicles.html.

A public passenger vehicle is a vehicle used for the transportation of passengers for hire by a public chauffeur. The list of public passenger vehicles includes licensed taxicabs (medallions), liveries, ambulances, medicars, charter-sightseeing buses, horse-drawn carriages, and pedicabs. For more information, please see http://www.cityofchicago.org/city/en/depts/bacp/supp_info/bacppublicvehicles.html.

All open abandoned vehicle complaints made to 311 and all requests completed since January 1, 2011. A vehicle can be classified as abandoned if it meets one or more of the following criteria:All open abandoned vehicle complaints made to 311 and all requests completed since January 1, 2011.

A vehicle can be classified as abandoned if it meets one or more of the following criteria: 1) On a public way in a state of disrepair as to be incapable of being driven in its present condition. 2) Has not been moved or used for more than seven consecutive days and is apparently deserted. 3) Has been left on the public way without state registration or a temporary state registration placard for two or more days. 4) Is a hazardous dilapidated vehicle left in full view of the general public, whether on public or private property.

For some Open service requests, the vehicle has been towed but further action is required before the request may be closed. 311 sometimes receives duplicate abandoned vehicle complaints.

If a vehicle is towed it remains as open, work in progress until it is redeemed, transferred or disposed of. The service request is not closed until there is a final disposition for the vehicle.

Requests that have been labeled as Duplicates are in the same geographic area and have been entered into 311 Customer Service Requests (CSR) system at around the same time as a previous request. Duplicate reports/requests are labeled as such in the Status field, as either "Open - Dup" or "Completed - Dup." Data is updated daily.

Note: This filtered view shows only those service requests from the underlying dataset that are not marked as duplicates. -- All open abandoned vehicle complaints made to 311 and all requests completed since January 1, 2011. A vehicle can be classified as abandoned if it meets one or more of the following criteria:All open abandoned vehicle complaints made to 311 and all requests completed since January 1, 2011.

A vehicle can be classified as abandoned if it meets one or more of the following criteria: 1) On a public way in a state of disrepair as to be incapable of being driven in its present condition. 2) Has not been moved or used for more than seven consecutive days and is apparently deserted. 3) Has been left on the public way without state registration or a temporary state registration placard for two or more days. 4) Is a hazardous dilapidated vehicle left in full view of the general public, whether on public or private property.

For some Open service requests, the vehicle has been towed but further action is required before the request may be closed. 311 sometimes receives duplicate abandoned vehicle complaints.

If a vehicle is towed it remains as open, work in progress until it is redeemed, transferred or disposed of. The service request is not closed until there is a final disposition for the vehicle.

Requests that have been labeled as Duplicates are in the same geographic area and have been entered into 311 Customer Service Requests (CSR) system at around the same time as a previous request. Duplicate reports/requests are labeled as such in the Status field, as either "Open - Dup" or "Completed - Dup." Data is updated daily.

All open abandoned vehicle complaints made to 311 and all requests completed since January 1, 2011. A vehicle can be classified as abandoned if it meets one or more of the following criteria:All open abandoned vehicle complaints made to 311 and all requests completed since January 1, 2011.

A vehicle can be classified as abandoned if it meets one or more of the following criteria: 1) On a public way in a state of disrepair as to be incapable of being driven in its present condition. 2) Has not been moved or used for more than seven consecutive days and is apparently deserted. 3) Has been left on the public way without state registration or a temporary state registration placard for two or more days. 4) Is a hazardous dilapidated vehicle left in full view of the general public, whether on public or private property.

For some Open service requests, the vehicle has been towed but further action is required before the request may be closed. 311 sometimes receives duplicate abandoned vehicle complaints.

If a vehicle is towed it remains as open, work in progress until it is redeemed, transferred or disposed of. The service request is not closed until there is a final disposition for the vehicle.

Requests that have been labeled as Duplicates are in the same geographic area and have been entered into 311 Customer Service Requests (CSR) system at around the same time as a previous request. Duplicate reports/requests are labeled as such in the Status field, as either "Open - Dup" or "Completed - Dup." Data is updated daily.

List of locations and test results for pools of mosquitoes tested through the Chicago Department of Public Health Environmental Health program. The Chicago Department of Public Health maintains an environmental surveillance program for West Nile Virus (WNV). This program includes the collection of mosquitoes from traps located throughout the city; the identification and sorting of mosquitoes collected from these traps; and the testing of specific species of mosquitoes for WNV.