Division 48. Open Data
Codified through Bill No. CB-018-2026, adopted May 12, 2026, effective July 24, 2026. Source: Municode, Supplement 2026 Update 2. Editorial notes and legislative history omitted.
Division 48. Open Data
Prince George's County, Md., Code § 2-543 (2026)
Sec. 2-543. TitleLinkCopy Citation
(a)
This section is known as the "Open Data Act."
Prince George's County, Md., Code § 2-544 (2026)
Sec. 2-544. DefinitionsLinkCopy Citation
In this section, the following words and phrases have the following meanings indicated:
(a)
"Agency" means any department or office of the County Government.
(b)
(1)
"Data" means the final version of digital information regularly created or maintained by or on behalf of and owned by the County that records a file, measurement, transaction, or final decision related to the mission of an agency.
(2)
"Data" does not include any information provided to an agency by another government entity, information that may not be made available for privacy or security reasons, or data otherwise protected by law.
(c)
"Measurement" means to quantify any characteristic of an observable event, occurrence, or object by comparison to a reference standard.
(d)
"Open data plan" means a plan developed by the County Executive or their designee to implement this title.
(1)
"Public Data Set" means data identified as eligible for publication by the Open Data Plan.
(2)
"Public Data Set" does not include any portion of a data set that is not subject to disclosure under any federal or state law or any data that is subject to copyright or trademark protections.
(e)
"Web portal" means a specifically designed website platform that brings information from diverse sources and serves as the single point of access for the information.
Prince George's County, Md., Code § 2-545 (2026)
Sec. 2-545. Open data planLinkCopy Citation
(a)
The County Executive or their Designee shall develop and submit to the County Council for approval, an open data plan within one year of the effective date of this bill.
(b)
The open data plan shall:
(1)
Include a summary description of the public data under the control of each agency data owner;
(2)
Assign and prioritize the order in which public data sets should be published by the data owners on the web portal based on whether the public data set:
(a)
Can be used to increase agency accountability and responsiveness;
(b)
Improves public knowledge of the agency and its operations;
(c)
Furthers the mission of the agency;
(d)
Creates economic opportunity; or
(e)
Responds to a need or demand identified through public input;
(3)
Create a timeline for the inclusion of public data sets on the web portal;
(4)
Address when and how an agency may change or terminate collection of data or remove the public data set from the web portal;
(5)
Designate an employee in each agency as a contact for public data set management and otherwise address appropriate staffing to manage the public data sets published on the web portal;
(6)
Prescribe the frequency of updates for public data sets on the web portal;
(7)
Be subject to County Council approval by resolution.
Prince George's County, Md., Code § 2-546 (2026)
Sec. 2-546. Public data set availabilityLinkCopy Citation
(a)
The County shall make public data sets available, and update those already available on the web portal within one year of the effective date of this bill.
(b)
A public data set shall be made available for download
(c)
A public data set shall be published in a format that permits automated processing. Does not require a software license or the use of specialized software, and uses appropriate technology to notify the public of updates.
(d)
Once published, a public data set shall be updated as often as is required by the open data plan, to maintain the correctness of the data, or circumstances or events that require a change.
(e)
(1)
A published public data set shall be made available without any registration or license requirement or restriction on use. The County shall require third-party providers who deliver and host applications and data on behalf of the County, to meet the definition of public data sets and otherwise contracted requirements in securing and management of the data as prescribed.
(2)
In this subsection, "registration or license requirement or restriction" does not include any measure required to:
(I)
Protect the web portal from unlawful abuse or an attempt to damage or impair use of the portal; or
(II)
Analyze the type of data being used to improve service delivery.
(f)
A published public data set must be accessible to external and internal search capabilities.
(g)
This title does not prohibit an agency from:
(1)
Disclosing information not otherwise defined as data; or
(2)
Making voluntarily disclosed information accessible through the web portal.
Prince George's County, Md., Code § 2-547 (2026)
Sec. 2-547. Web portal administrationLinkCopy Citation
(a)
The county shall conspicuously publish the open data policy required by this Act, on the web portal.
(b)
The County shall implement a mechanism to solicit public feedback and encourage public discussion on open data policies and public data set availability on the web portal.
(c)
An agency shall decide if inclusion of a public data set requested through the public input mechanism of the web portal should be included on the web portal.
Prince George's County, Md., Code § 2-548 (2026)
Sec. 2-548. Open data policyLinkCopy Citation
(a)
A public data set made available on the web portal is provided for informational purposes only.
(b)
The county makes no express or implied warranty as to the completeness, accuracy, content, merchantability, or fitness for any particular purpose or use of any public data set made available on the web portal.
(c)
The County is not liable for any deficiency in the completeness, accuracy, content, or fitness for any particular purpose or use of any public data set, or application utilizing the data set, provided by any third party.
(d)
This title and the open data plan do not create a private right of action for enforcement. Failure to comply with this title or the open data plan shall not result in liability of the County.
Prince George's County, Md., Code § 2-549 (2026)
Sec. 2-549. Internet data set policy and technical standards manualLinkCopy Citation
(a)
Within one year after the effective date of this bill, the County shall prepare and publish a technical standards manual for the publication of public data sets on the web portal to make public data available to the greatest number of users and for the greatest number of applications.
(b)
The manual:
(1)
Shall use open standards for web publishing and government, whenever practicable;
(2)
Shall identify the reason why each technical standard was selected and to which types of data it applies;
(3)
May recommend or require that certain data be published under more than one technical standard; and
(4)
Shall include a plan to adopt or utilize a web application programming interface standard that permits application programs to request and receive public data sets directly from the web portal.
(c)
The County shall update the manual as necessary.
Prince George's County, Md., Code § 2-550 (2026)
Sec. 2-550. Open data implementation plan reportLinkCopy Citation
(a)
No later than July 1, 2024, and every July 1 thereafter, the County Executive or their designee shall submit to the County Council, and post on the web portal, a report on progress under the open data plan until all public data sets required to be published have been made available through the web portal.
(b)
The report shall include:
(1)
The actions taken to make public data sets available on the web portal since the previous report.
(2)
Any action that will be taken before the next report;
(3)
Whether the list of public data sets in the open data plan should be updated;
(4)
Whether the prioritization of public data sets in the open data plan should be changed; and
(5)
Whether the timeline outlined in the open data plan for the inclusion of a public data set on the web portal should be changed.
Prince George's County, Md., Code § 2-551 (2026)
Sec. 2-551. Legislative branchLinkCopy Citation
(a)
The legislative branch may provide its public data sets to the County Executive or their designee to be included in the open data plan.
(b)
The legislative branch may post all of its public data sets included in the open data plan on the same County web portal established by the County Executive.