Date of dataset: 9/30/2018
Source: PRISM (Probation Record Information System Management) PO-170 Report
Notes: To ensure confidentiality and to protect the identities of individuals on probation, the ages of some individuals in the dataset have been withheld, and marked “N/A”. This is done to avoid possible re-identification through the available demographic information, or stigmatization of a group when they make a substantial percent of a designated population.
Number of records with ages withheld: 0

The Alameda County Probation Department (ACPD) collects information on all juveniles referred to the department and records this in PRISM (Probation Record Information System Management). Several reports are built into the PRISM system that allow ACPD staff to extract data for specified time periods. This dataset is derived from the PRISM PO-170 report – the Juvenile Detentions Data Extract. This report contains individual-level information for all youth detained on the date specified. To create this dataset, the report was de-identified and edited to include the most pertinent information.

Data Characteristics and Known Limitations.
• To ensure confidentiality and to protect the identities of individuals on probation, the ages of some individuals in the dataset have been withheld, and marked “N/A”. This is done to avoid possible re-identification through the available demographic information, or stigmatization of a group when they make a substantial percent of a designated population. Please see the “Notes” tab in the public dataset file, which states the number of records with withheld ages in that dataset.
• This data contains all youth who were detained on the date specified. Many youth are booked into Juvenile Hall when arrested and subsequently released without ever spending a night in detention. These youth will be included in this dataset if they were detained at the time of the report, regardless of how long they stayed in Juvenile Hall.

Definition of Terms
• Age Group – age range the client was in on the date of report.
• Facility – the facility or type of detention the youth was in at the time of the report
o Juvenile Hall - youth that were booked into Juvenile Hall (the Alameda County Juvenile Justice Center) and had not been released as of the date of the report. Juvenile Hall houses youth pending Court proceedings while awaiting placement, youth who are ordered detained by the Court, youth who are under the jurisdiction of the Adult Court, and youth on courtesy holds for other jurisdictions.
o Camp Sweeney – youth housed in Camp Wilmont Sweeney on the date of the report. Camp Sweeney is a 24-hour local residential placement for court-ordered commitment male
youth, ages 15 to 18. The program offers treatment, rehabilitation, and education within a
structured living environment as a placement alternative to group homes and the State
Department of Juvenile Justice. CWS is an open setting and not secured by physical barriers.
Residents receive education, vocational training, counseling services, and cognitive
behavioral therapy. Cognitive Family home visits, family reunification, and reintegration into
the community are integral parts of the program.
o Home Supervision – youth under Home Supervision on the date of the report. Home
Supervision is a program offered as an alternative to detention. A minor placed on Home
Supervision by the Court or Probation Officer is required to sign a written promise (contract)
that he/she understands and will observe the specific conditions of the program. The
conditions may include curfew, school attendance, requirements related to the protection
of the minor, the person or property of another, or to the minor's appearance at Court
hearings.
o GPS Monitoring - youth on Global Positioning System monitoring devices on the date of the
report. Global Positioning System is a program offered as an alternative to detention. GPS
monitoring devices are used for minors released from Juvenile

Date of dataset: 12/31/2018
Source: PRISM (Probation Record Information System Management) PO-170 Report
Notes: To ensure confidentiality and to protect the identities of individuals on probation, the ages of some individuals in the dataset have been withheld, and marked “N/A”. This is done to avoid possible re-identification through the available demographic information, or stigmatization of a group when they make a substantial percent of a designated population.
Number of records with ages withheld: 0

The Alameda County Probation Department (ACPD) collects information on all juveniles referred to the department and records this in PRISM (Probation Record Information System Management). Several reports are built into the PRISM system that allow ACPD staff to extract data for specified time periods. This dataset is derived from the PRISM PO-170 report – the Juvenile Detentions Data Extract. This report contains individual-level information for all youth detained on the date specified. To create this dataset, the report was de-identified and edited to include the most pertinent information.

Data Characteristics and Known Limitations.
• To ensure confidentiality and to protect the identities of individuals on probation, the ages of some individuals in the dataset have been withheld, and marked “N/A”. This is done to avoid possible re-identification through the available demographic information, or stigmatization of a group when they make a substantial percent of a designated population. Please see the “Notes” tab in the public dataset file, which states the number of records with withheld ages in that dataset.
• This data contains all youth who were detained on the date specified. Many youth are booked into Juvenile Hall when arrested and subsequently released without ever spending a night in detention. These youth will be included in this dataset if they were detained at the time of the report, regardless of how long they stayed in Juvenile Hall.

Definition of Terms
• Age Group – age range the client was in on the date of report.
• Facility – the facility or type of detention the youth was in at the time of the report
o Juvenile Hall - youth that were booked into Juvenile Hall (the Alameda County Juvenile Justice Center) and had not been released as of the date of the report. Juvenile Hall houses youth pending Court proceedings while awaiting placement, youth who are ordered detained by the Court, youth who are under the jurisdiction of the Adult Court, and youth on courtesy holds for other jurisdictions.
o Camp Sweeney – youth housed in Camp Wilmont Sweeney on the date of the report. Camp Sweeney is a 24-hour local residential placement for court-ordered commitment male
youth, ages 15 to 18. The program offers treatment, rehabilitation, and education within a
structured living environment as a placement alternative to group homes and the State
Department of Juvenile Justice. CWS is an open setting and not secured by physical barriers.
Residents receive education, vocational training, counseling services, and cognitive
behavioral therapy. Cognitive Family home visits, family reunification, and reintegration into
the community are integral parts of the program.
o Home Supervision – youth under Home Supervision on the date of the report. Home
Supervision is a program offered as an alternative to detention. A minor placed on Home
Supervision by the Court or Probation Officer is required to sign a written promise (contract)
that he/she understands and will observe the specific conditions of the program. The
conditions may include curfew, school attendance, requirements related to the protection
of the minor, the person or property of another, or to the minor's appearance at Court
hearings.
o GPS Monitoring - youth on Global Positioning System monitoring devices on the date of the
report. Global Positioning System is a program offered as an alternative to detention. GPS
monitoring devices are used for minors released from Juvenil

Date of dataset: 3/31/2018
Source: PRISM (Probation Record Information System Management) PO-170 Report
Notes: To ensure confidentiality and to protect the identities of individuals on probation, the ages of some individuals in the dataset have been withheld, and marked “N/A”. This is done to avoid possible re-identification through the available demographic information, or stigmatization of a group when they make a substantial percent of a designated population.
Number of records with ages withheld: 1

The Alameda County Probation Department (ACPD) collects information on all juveniles referred to the department and records this in PRISM (Probation Record Information System Management). Several reports are built into the PRISM system that allow ACPD staff to extract data for specified time periods. This dataset is derived from the PRISM PO-170 report – the Juvenile Detentions Data Extract. This report contains individual-level information for all youth detained on the date specified. To create this dataset, the report was de-identified and edited to include the most pertinent information.

Data Characteristics and Known Limitations.
• To ensure confidentiality and to protect the identities of individuals on probation, the ages of some individuals in the dataset have been withheld, and marked “N/A”. This is done to avoid possible re-identification through the available demographic information, or stigmatization of a group when they make a substantial percent of a designated population. Please see the “Notes” tab in the public dataset file, which states the number of records with withheld ages in that dataset.
• This data contains all youth who were detained on the date specified. Many youth are booked into Juvenile Hall when arrested and subsequently released without ever spending a night in detention. These youth will be included in this dataset if they were detained at the time of the report, regardless of how long they stayed in Juvenile Hall.

Definition of Terms
• Age Group – age range the client was in on the date of report.
• Facility – the facility or type of detention the youth was in at the time of the report
o Juvenile Hall - youth that were booked into Juvenile Hall (the Alameda County Juvenile Justice Center) and had not been released as of the date of the report. Juvenile Hall houses youth pending Court proceedings while awaiting placement, youth who are ordered detained by the Court, youth who are under the jurisdiction of the Adult Court, and youth on courtesy holds for other jurisdictions.
o Camp Sweeney – youth housed in Camp Wilmont Sweeney on the date of the report. Camp Sweeney is a 24-hour local residential placement for court-ordered commitment male
youth, ages 15 to 18. The program offers treatment, rehabilitation, and education within a
structured living environment as a placement alternative to group homes and the State
Department of Juvenile Justice. CWS is an open setting and not secured by physical barriers.
Residents receive education, vocational training, counseling services, and cognitive
behavioral therapy. Cognitive Family home visits, family reunification, and reintegration into
the community are integral parts of the program.
o Home Supervision – youth under Home Supervision on the date of the report. Home
Supervision is a program offered as an alternative to detention. A minor placed on Home
Supervision by the Court or Probation Officer is required to sign a written promise (contract)
that he/she understands and will observe the specific conditions of the program. The
conditions may include curfew, school attendance, requirements related to the protection
of the minor, the person or property of another, or to the minor's appearance at Court
hearings.
o GPS Monitoring - youth on Global Positioning System monitoring devices on the date of the
report. Global Positioning System is a program offered as an alternative to detention. GPS
monitoring devices are used for minors released from Juvenile

Date of dataset: 6/30/2018
Source: PRISM (Probation Record Information System Management) PO-170 Report
Notes: To ensure confidentiality and to protect the identities of individuals on probation, the ages of some individuals in the dataset have been withheld, and marked “N/A”. This is done to avoid possible re-identification through the available demographic information, or stigmatization of a group when they make a substantial percent of a designated population.
Number of records with ages withheld: 0

The Alameda County Probation Department (ACPD) collects information on all juveniles referred to the department and records this in PRISM (Probation Record Information System Management). Several reports are built into the PRISM system that allow ACPD staff to extract data for specified time periods. This dataset is derived from the PRISM PO-170 report – the Juvenile Detentions Data Extract. This report contains individual-level information for all youth detained on the date specified. To create this dataset, the report was de-identified and edited to include the most pertinent information.

Data Characteristics and Known Limitations.
• To ensure confidentiality and to protect the identities of individuals on probation, the ages of some individuals in the dataset have been withheld, and marked “N/A”. This is done to avoid possible re-identification through the available demographic information, or stigmatization of a group when they make a substantial percent of a designated population. Please see the “Notes” tab in the public dataset file, which states the number of records with withheld ages in that dataset.
• This data contains all youth who were detained on the date specified. Many youth are booked into Juvenile Hall when arrested and subsequently released without ever spending a night in detention. These youth will be included in this dataset if they were detained at the time of the report, regardless of how long they stayed in Juvenile Hall.

Definition of Terms
• Age Group – age range the client was in on the date of report.
• Facility – the facility or type of detention the youth was in at the time of the report
o Juvenile Hall - youth that were booked into Juvenile Hall (the Alameda County Juvenile Justice Center) and had not been released as of the date of the report. Juvenile Hall houses youth pending Court proceedings while awaiting placement, youth who are ordered detained by the Court, youth who are under the jurisdiction of the Adult Court, and youth on courtesy holds for other jurisdictions.
o Camp Sweeney – youth housed in Camp Wilmont Sweeney on the date of the report. Camp Sweeney is a 24-hour local residential placement for court-ordered commitment male
youth, ages 15 to 18. The program offers treatment, rehabilitation, and education within a
structured living environment as a placement alternative to group homes and the State
Department of Juvenile Justice. CWS is an open setting and not secured by physical barriers.
Residents receive education, vocational training, counseling services, and cognitive
behavioral therapy. Cognitive Family home visits, family reunification, and reintegration into
the community are integral parts of the program.
o Home Supervision – youth under Home Supervision on the date of the report. Home
Supervision is a program offered as an alternative to detention. A minor placed on Home
Supervision by the Court or Probation Officer is required to sign a written promise (contract)
that he/she understands and will observe the specific conditions of the program. The
conditions may include curfew, school attendance, requirements related to the protection
of the minor, the person or property of another, or to the minor's appearance at Court
hearings.
o GPS Monitoring - youth on Global Positioning System monitoring devices on the date of the
report. Global Positioning System is a program offered as an alternative to detention. GPS
monitoring devices are used for minors released from Juvenile