Most counties in South Carolina have a stormwater page with important information and contacts for their areas. If you live in the city limits, a quick Google search of stormwater plus the name of your city will yield you the information you need if it is available. Click on the county your property is in:
The South Carolina DHEC office oversees all the municipalities regarding regulations and enforcement.
Stormwater regulations are rooted in the Clean Water Act.
Clemson University leads in South Carolina’s training and education for stormwater management.