No person shall develop any land for residential, commercial, industrial, or institutional uses or redevelop land without having provided for appropriate stormwater management measures that control or manage runoff from such developments, except as provided in this section. Stormwater management measures must be designed consistent with the Design Manual and constructed according to an approved plan for new development or polices as stated in Article
IV, §
192-11, of this chapter for redevelopment.
The following development activities are exempt from the provisions
of this chapter and the requirements of providing stormwater management:
A. Normally accepted agricultural land management practices.
B. Additions or modifications to existing single-family detached residential
structures, provided that these additions or modifications do not
disturb over 5,000 square feet of land.
C. Development or redevelopment that does not disturb over 5,000 square
feet of land.
D. Land development activities that the Maryland Department of the Environment
determines will be regulated under specific state laws, which provide
for managing stormwater runoff.