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Parks & Recreation
Chart
The Chicago Park District tests water samples at beaches along Chicago's Lake Michigan lakefront, which it tests for E. coli in order to monitor swimming safety. Multiple samples may be taken from a beach and samples may be tested by culture, DNA testing, or both.
What do these numbers mean?
The modeling prediction numbers forecast real-time Escherichia coli (E. coli) bacteria levels present in the water. The Chicago Park District (CPD) in partnership with the US Geological Survey, has developed statistical prediction models by using weather data pulled from CPD buoys (https://data.cityofchicago.org/d/qmqz-2xku) and weather stations (https://data.cityofchicago.org/d/k7hf-8y75). E. coli is an indicator species for the presence of disease-causing bacteria, viruses, and protozoans that may pose health risks to the public.
The culture based testing numbers indicate E. coli levels present in the water. This method requires 18-24 hours of processing to receive results. US Environmental Protection Agency (USEPA) recommends notifying the public when E. coli bacteria levels are above the federal water quality Beach Action Value (BAV), which is 235*CFU. When bacteria levels exceed 235 CFU, a yellow or red flag will be implemented. This standard is used at beaches throughout the Great Lakes region. For more information please refer to the USEPA Recreational Water Quality Criteria.
The rapid testing method (qPCR analysis) is a new method that measures levels of pathogenic DNA in beach water. Unlike the culture based test that requires up to 24 hours of processing, the new rapid testing method requires a few hours for results. The Chicago Park District can use results of the rapid test to notify the public when levels exceed UPEPA recommended levels. US Environmental Protection Agency (USEPA) recommends notifying the public when DNA bacteria levels are above the federal water quality Beach Action Value (BAV), which is 1000*CCE. When DNA bacteria levels exceed 1000 CCE, a yellow or red flag will be implemented. For more information please refer to the USEPA Recreational Water Quality Criteria (http://water.epa.gov/scitech/swguidance/standards/criteria/health/recreation).
* The unit of measurement for Escherichia coli is Colony Forming Units (CFU) per 100 milliliters of water.
*The unit of measuring DNA is Enterococci Calibrator Cell Equivalents (CCE) per 100 milliliters of water.
Tags beaches chicago park district open spaces parks parks & recreation and 2 more
Updated
June 1 2023
Views
1,101

Parks & Recreation
Chart
The Chicago Park District maintains weather sensors at beaches along Chicago's Lake Michigan lakefront. These sensors generally capture the indicated measurements hourly while the sensors are in operation during the summer. During other seasons and at some other times, information from the sensors may not be available. See https://data.cityofchicago.org/id/qmqz-2xku for a dataset with similar measurements on the lake water, itself.
Tags beaches chicago park district open spaces parks parks & recreation and 2 more
Updated
June 1 2023
Views
1,677

Parks & Recreation
Chart
The Chicago Park District maintains weather sensors at beaches along Chicago's Lake Michigan lakefront. These sensors generally capture the indicated measurements hourly while the sensors are in operation during the summer. During other seasons and at some other times, information from the sensors may not be available. See https://data.cityofchicago.org/id/qmqz-2xku for a dataset with similar measurements on the lake water, itself.
Tags beaches chicago park district open spaces parks parks & recreation and 2 more
Updated
June 1 2023
Views
1,717

Parks & Recreation
Chart
The Chicago Park District maintains weather sensors at beaches along Chicago's Lake Michigan lakefront. These sensors generally capture the indicated measurements hourly while the sensors are in operation during the summer. During other seasons and at some other times, information from the sensors may not be available. See https://data.cityofchicago.org/id/qmqz-2xku for a dataset with similar measurements on the lake water, itself.
Tags beaches chicago park district open spaces parks parks & recreation and 2 more
Updated
June 1 2023
Views
1,906

Parks & Recreation
Chart
The Chicago Park District maintains weather sensors at beaches along Chicago's Lake Michigan lakefront. These sensors generally capture the indicated measurements hourly while the sensors are in operation during the summer. During other seasons and at some other times, information from the sensors may not be available. See https://data.cityofchicago.org/id/qmqz-2xku for a dataset with similar measurements on the lake water, itself.
Tags beaches chicago park district open spaces parks parks & recreation and 2 more
Updated
June 1 2023
Views
2,686

Parks & Recreation
Chart
The Chicago Park District maintains weather sensors at beaches along Chicago's Lake Michigan lakefront. These sensors generally capture the indicated measurements hourly while the sensors are in operation during the summer. During other seasons and at some other times, information from the sensors may not be available. See https://data.cityofchicago.org/id/qmqz-2xku for a dataset with similar measurements on the lake water, itself.
Tags beaches chicago park district open spaces parks parks & recreation and 2 more
Updated
June 1 2023
Views
2,832

Parks & Recreation
Chart
The Chicago Park District maintains weather sensors at beaches along Chicago's Lake Michigan lakefront. These sensors generally capture the indicated measurements hourly while the sensors are in operation during the summer. During other seasons and at some other times, information from the sensors may not be available. See https://data.cityofchicago.org/id/qmqz-2xku for a dataset with similar measurements on the lake water, itself.
Tags beaches chicago park district open spaces parks parks & recreation and 2 more
Updated
June 1 2023
Views
2,003

Parks & Recreation
Chart
The Chicago Park District maintains weather sensors at beaches along Chicago's Lake Michigan lakefront. These sensors generally capture the indicated measurements hourly while the sensors are in operation during the summer. During other seasons and at some other times, information from the sensors may not be available. See https://data.cityofchicago.org/id/qmqz-2xku for a dataset with similar measurements on the lake water, itself.
Tags beaches chicago park district open spaces parks parks & recreation and 2 more
Updated
June 1 2023
Views
2,992

FOIA
Dataset
FOIA requests received by the Public Building Commission since 2015.
Tags foia pbc public building commission
API Docs
Updated
June 1 2023
Views
4,914

Events
Dataset
This Chicago Park District dataset includes information about event permits requested through the Chicago Park District, including the name of applicant, the name of the event and a brief description, contact information, time of event including set-up and tear-down times, the name of the Park and location, and estimated number of event attendees. Additional information may be included depending on the type of the event, including proof of insurance, route maps for all races and runs, security plans and medical services and required city documents. Permit levels issued by the Department of Revenue include picnic levels, athletic levels, corporate levels, media levels, promotions levels, and festivals/performances levels. For more information, visit http://www.chicagoparkdistrict.com/permits-and-rentals/.
Tags chicago park district permits
API Docs
Updated
June 1 2023
Views
24,973

Transportation
Data Lens
Crash data shows information about each traffic crash on city streets within the City of Chicago limits and under the jurisdiction of Chicago Police Department (CPD). Data are shown as is from the electronic crash reporting system (E-Crash) at CPD, excluding any personally identifiable information. Records are added to the data portal when a crash report is finalized or when amendments are made to an existing report in E-Crash. Data from E-Crash are available for some police districts in 2015, but citywide data are not available until September 2017. About half of all crash reports, mostly minor crashes, are self-reported at the police district by the driver(s) involved and the other half are recorded at the scene by the police officer responding to the crash. Many of the crash parameters, including street condition data, weather condition, and posted speed limits, are recorded by the reporting officer based on best available information at the time, but many of these may disagree with posted information or other assessments on road conditions. If any new or updated information on a crash is received, the reporting officer may amend the crash report at a later time. A traffic crash within the city limits for which CPD is not the responding police agency, typically crashes on interstate highways, freeway ramps, and on local roads along the City boundary, are excluded from this dataset.

All crashes are recorded as per the format specified in the Traffic Crash Report, SR1050, of the Illinois Department of Transportation. As per Illinois statute, only crashes with a property damage value of $1,500 or more or involving bodily injury to any person(s) and that happen on a public roadway and that involve at least one moving vehicle, except bike dooring, are considered reportable crashes. However, CPD records every reported traffic crash event, regardless of the statute of limitations, and hence any formal Chicago crash dataset released by Illinois Department of Transportation may not include all the crashes listed here.
Tags No tags assigned
Updated
June 1 2023
Views
6,252

Transportation
Dataset
Crash data shows information about each traffic crash on city streets within the City of Chicago limits and under the jurisdiction of Chicago Police Department (CPD). Data are shown as is from the electronic crash reporting system (E-Crash) at CPD, excluding any personally identifiable information. Records are added to the data portal when a crash report is finalized or when amendments are made to an existing report in E-Crash. Data from E-Crash are available for some police districts in 2015, but citywide data are not available until September 2017. About half of all crash reports, mostly minor crashes, are self-reported at the police district by the driver(s) involved and the other half are recorded at the scene by the police officer responding to the crash. Many of the crash parameters, including street condition data, weather condition, and posted speed limits, are recorded by the reporting officer based on best available information at the time, but many of these may disagree with posted information or other assessments on road conditions. If any new or updated information on a crash is received, the reporting officer may amend the crash report at a later time. A traffic crash within the city limits for which CPD is not the responding police agency, typically crashes on interstate highways, freeway ramps, and on local roads along the City boundary, are excluded from this dataset.
All crashes are recorded as per the format specified in the Traffic Crash Report, SR1050, of the Illinois Department of Transportation. The crash data published on the Chicago data portal mostly follows the data elements in SR1050 form. The current version of the SR1050 instructions manual with detailed information on each data elements is available here.
As per Illinois statute, only crashes with a property damage value of $1,500 or more or involving bodily injury to any person(s) and that happen on a public roadway and that involve at least one moving vehicle, except bike dooring, are considered reportable crashes. However, CPD records every reported traffic crash event, regardless of the statute of limitations, and hence any formal Chicago crash dataset released by Illinois Department of Transportation may not include all the crashes listed here.
Tags link to article present public safety traffic crashes transportation vision zero
API Docs
Updated
June 1 2023
Views
289,074

Events
Dataset
List of public events sponsored or supported by the Chicago Department of Public Health.
Tags events health public health
API Docs
Updated
June 1 2023
Views
2,029

Events
Filtered View
List of public events sponsored by the Chicago Department of Public Health
Tags No tags assigned
API Docs
Updated
June 1 2023
Views
662

Events
Calendar
List of public events sponsored or supported by the Chicago Department of Public Health.
Tags No tags assigned
Updated
June 1 2023
Views
33,007

Events
Map
List of public events sponsored by the Chicago Department of Public Health
Tags No tags assigned
Updated
June 1 2023
Views
829

Events
Filtered View
List of public events sponsored by the Chicago Department of Public Health
Tags No tags assigned
API Docs
Updated
June 1 2023
Views
670

Events
Filtered View
List of public events sponsored by the Chicago Department of Public Health
Tags No tags assigned
API Docs
Updated
June 1 2023
Views
599

Events
Filtered View
List of public events sponsored by the Chicago Department of Public Health
Tags No tags assigned
API Docs
Updated
June 1 2023
Views
586

Events
Filtered View
List of public events sponsored by the Chicago Department of Public Health
Tags No tags assigned
API Docs
Updated
June 1 2023
Views
637

Events
Filtered View
List of public events sponsored by the Chicago Department of Public Health
Tags No tags assigned
API Docs
Updated
June 1 2023
Views
675

Events
Filtered View
List of public events sponsored by the Chicago Department of Public Health
Tags No tags assigned
API Docs
Updated
June 1 2023
Views
1,284

Events
Filtered View
List of public events sponsored by the Chicago Department of Public Health
Tags No tags assigned
API Docs
Updated
June 1 2023
Views
630

Events
Filtered View
List of public events sponsored by the Chicago Department of Public Health
Tags No tags assigned
API Docs
Updated
June 1 2023
Views
636

Events
Filtered View
List of public events sponsored by the Chicago Department of Public Health
Tags No tags assigned
API Docs
Updated
June 1 2023
Views
953

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