(A) In addition to the other regulatory requirements in this chapter, designated watersheds shall have the regulatory requirements for land disturbing activities within the watershed clearly specified through a watershed master plan which includes nonpoint source pollution control, stormwater management, and flood control components. The watershed master plan for the designated watershed must contain the following information:

(1) stormwater quantity or quality problem identification;

Terms Used In South Carolina Code 48-14-130

  • Department: means the South Carolina Department of Health and Environmental Control. See South Carolina Code 48-14-20
  • Designated Watershed: means a watershed designated by a local government and approved by the Department of Health and Environmental Control and identified as having an existing or potential stormwater, sediment control, or nonpoint source pollution problem. See South Carolina Code 48-14-20
  • Nonpoint source pollution: means pollution contained in stormwater runoff from ill-defined diffuse sources. See South Carolina Code 48-14-20
  • Stormwater management: means , for:

    (a) quantitative control, a system of vegetative or structural measures, or both, that control the increased volume and rate of stormwater runoff caused by manmade changes to the land;

    (b) qualitative control, a system of vegetative, structural, or other measures that reduce or eliminate pollutants that might otherwise be carried by stormwater runoff. See South Carolina Code 48-14-20
  • Watershed master plan: means a plan for a designated watershed that analyzes the impact of existing and future land uses and land disturbing activities in the entire watershed and includes strategies to reduce nonpoint source pollution, to manage stormwater runoff and control flooding. See South Carolina Code 48-14-20

(2) the overall condition and needs of the watershed, not just the additional impacts of new development activities;

(3) alternative approaches to address the existing and future problems;

(4) a defined approach which includes the overall costs and benefits;

(5) a schedule for implementation;

(6) funding sources and amounts; and

(7) a public involvement process which includes the establishment of a local watershed advisory committee and public hearing prior to approval by the department.

(B) Upon approval of the watershed master plan, all projects undertaken in the designated watershed must have stormwater management and nonpoint source pollution control requirements placed upon them that are consistent with the designated watershed master plan.

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