Governing Law and Regulations
South Carolina Department of Health and Environmental Control (DHEC) Office of Environmental Quality Control Bureau of Water Drinking Water Protection Division
U.S. Environmental Protection Agency (EPA) Region 4
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. The state has been granted primacy from the U.S. Environmental Protection Agency (EPA) to administer South Carolina's Drinking Water Program. The state has enacted its own rules that generally follow the federal rules under the Safe Drinking Water Act (SDWA).
South Carolina has some additional requirements, including regulating drinking water sources from surface water and groundwater. For example, if the DHEC can reasonably demonstrate that safe delivery of potable water to the public is jeopardized, a public water supplier may have to upgrade its existing facilities in order for an expansion or modification to meet the SDWA ...