Md. Code, Local Government § 21–622

(a) (1) In the stormwater management district, Prince George’s County

may require an owner or developer of a subdivision or tract of land on which buildings

are to be erected to contribute what the county determines to be a fair share of the

cost of a stormwater management project before the county approves or constructs

the project.

(2) In the City of Bowie, the city may require an owner or developer

of a subdivision or tract of land on which buildings are to be erected to contribute

what the city determines to be a fair share of the cost of a stormwater management

project before the city approves or constructs the project.

(3) In the City of Takoma Park, the city may require an owner or

developer of a subdivision or tract of land on which buildings are to be erected to

contribute what the City Council determines to be a fair share of the cost of a

stormwater management project in the city’s jurisdiction before the City Council

approves the project for construction.

(4) In Montgomery County, except for property in the City of Takoma

Park, the Montgomery County Council may require an owner or developer of a

subdivision or tract of land on which buildings are to be erected to contribute what

the County Council determines to be a fair share of the cost of a stormwater

management project in the county’s jurisdiction before the County Council approves

the project for construction.

(5) Before construction begins, the contribution shall be paid in cash

or secured to the satisfaction of the approving authority.

(b) Montgomery County, Prince George’s County, the City of Bowie, and the

City of Takoma Park each may construct in its boundaries any part of an approved

stormwater management project if the owner or developer contributes a share of the

cost of the project considered appropriate by the approving authority.

(c) Montgomery County, Prince George’s County, the City of Bowie, and the

City of Takoma Park each shall include in its annual capital budget for stormwater

management capital projects an amount representing anticipated contributions to

stormwater management.