Sediment control and drainage plans shall be prepared according to the following guidelines prior to submission to the county.
(A) Select land where the drainage pattern, topography and soils are favorable for the intended use. Tracts of land vary in suitability for different uses. Knowing the major characteristics of the land area and kinds of soil helps in identifying and evaluating potential problems. Soil survey information is available from the Soil Conservation Service which has an office serving each county in South Carolina.
(B) Expose the smallest practical area of land for the least possible time during development.
(C) When feasible, retain and protect natural vegetation. Save topsoil, where practical, for replacing on graded areas.
(D) Use temporary plant cover, mulching or structures to control runoff and protect areas subject to erosion during construction.
(E) Provide for handling the increased runoff caused by changed soil conditions and surface conditions. Effective means include the use of diversion ditches, grassed or surfaced waterways and outlets, enlarged and protected drainage channels, grade control structures and effective use of street gutter and storm sewers.
(F) Engineer the drainage systems of the development according to the Lexington County development guidelines.
(G) Use sediment basins or other forms of silt traps, where practical, to remove heavy sediment loads from runoff waters leaving the disturbed area.
(H) Install the permanent vegetative cover and the long-term erosion protection structures as soon as practical in the development process.
(1985 Code, § 4, 4.10) Penalty, see § 157.999