City of Baltimore
Baltimore City Code

§ 22-1. Phased plans required.

Except as otherwise expressly provided in this Division II, no person may develop any land unless:

(1) the project is a single-lot residential construction that establishes stormwater management measures in accordance with a standard stormwater management plan prepared in accordance with the City's Design Guidelines and approved by the Department; or

(2) the person:

(i) establishes stormwater management measures that control or manage runoff

from the development; and

(ii) incorporates those measures into phased stormwater management plans approved by the Department.