Environmental Rules in Orangeburg County, SC (2026)
4 rules for unincorporated Orangeburg County, South Carolina.
Verified from official government sources
Stormwater Management
Orangeburg County's public services department only performs drainage work off the road right-of-way for one of four reasons under Orangeburg County Code § 28-64: an immediate health hazard, a malfunctioning right-of-way drainage system, prior responsibility for building the facility, or a community drainage benefit, and any such project needs a signed easement first. Drainage work inside the right-of-way itself is covered separately in section 28-65, at the adjoining property owner's expense.
Drainage Rules, Unincorporated Orangeburg County
Some RestrictionsOrangeburg County Code § 28-64
(a)Drainage work off of the right-of-way shall be performed for one of the following reasons only:(1)To correct an immediate or serious health hazard as designated by the county or state health officials;(2)To correct malfunctions of right-of-way drainage systems;(3)By having previous responsibility by having constructed the facility; or(4)To provide improved drainage for the benefit of the com...
Erosion Control
Disturbing land anywhere in unincorporated Orangeburg County, grading, filling, clearing or building in a floodway, requires a land disturbance permit approved by the Soil and Water Conservation District Board and the director of public services under Chapter 32. Single-family homes built outside a subdivision on two acres or less, away from floodplains and wetlands, are exempt.
Orangeburg County Land Disturbance Permit
Some RestrictionsOrangeburg County Code §§ 32-31, 32-32(2)
Unless otherwise provided within this chapter, the surface of land in the county shall not be disturbed or altered for any purpose whatsoever, nor any identified major drainage channel impeded or encroached upon, nor any construction commenced in a designated flood area, except in accordance with a sediment control plan or flood control plan approved by the soil and water conservation district ...
Flood Zones
Before any development can proceed in a special flood hazard area of unincorporated Orangeburg County, Section 18-81 requires the applicant to show that the structure cannot be located outside the flood zone and that any encroachment into it is minimized. New construction there must be anchored against flotation and lateral movement, and a nonconforming building in the zone cannot be enlarged or rebuilt except in conformance with the chapter.
Floodplain Development Rules, Orangeburg County
Some RestrictionsOrangeburg County Code § 18-81(1), (10)
Sec. 18-81. - General standards. Development may not occur in the special flood hazard area (SFHA) where alternative locations exist due to the inherent hazards and risks involved. Before a permit is issued, the applicant shall demonstrate that new structures cannot be located out of the SFHA and that encroachments onto the SFHA are minimized. In all areas of special flood hazard the following ...
Flood Elevation Requirements
In special flood hazard areas of unincorporated Orangeburg County where FEMA has set a base flood elevation, Section 18-82(1) requires new construction and substantially improved residential structures, including manufactured homes, to have their lowest floor elevated at least one foot above that base flood elevation, with no basements allowed. The one foot cushion is the county's freeboard standard, enforced through the development permit process.
Flood Elevation Freeboard, Orangeburg County
Some RestrictionsOrangeburg County Code § 18-82(1)
Sec. 18-82. - Specific standards. In all areas of special flood hazard (Zones A, AE, AH, AO, A1-30, V, and VE) where base flood elevation data has been provided, as set forth in section 18-4, or outlined in the duties and responsibilities of the local floodplain administrator section 18-54, the following provisions are required: (1)Residential construction. New construction and substantial impr...
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