The Charleston County Stormwater Management Program is a federally mandated program that is monitored by the South Carolina Department of Health and Environmental Control. It was created in 2006 in compliance with federal and state requirements related to water quality. Its staff includes engineers, technicians, plan reviewers, inspectors, survey personal, and accountants all working towards a singular goal: to ensure that our citizens can utilize Charleston County’s waters and beaches.
The urbanization of Charleston has led to an increase in polluted stormwater runoff making its way into our waterways, contaminating them. The Stormwater Management Program aims to reduce the amount of runoff pollution. It does this by educating the public about how they can reduce the risk of polluting rainwater, permitting and monitoring all new construction sites to prevent the many potential contaminants from entering the storm drain system, and monitoring businesses and residential homes to make sure no pollutants are being discharged into waterbodies.
Charleston County's Public Works Department will begin construction Wednesday, December 2, 2020 on the Grimball Road Drainage Improvements project. Construction will require closing one lane on Grimball Road across from James Island Elementary School.
The Grimball Road Drainage Improvements project includes the construction of a reinforced concrete pipe under Grimball and South Grimball Roadways. This will help to alleviate flooding issues in this area of James Island. For more information, please call Public Works Stormwater at 843-202-7639 or email firstname.lastname@example.org.
If you have any questions regarding the Stormwater Management program, please check our Frequently Asked Questions or call the Stormwater Hotline at (843) 202-7639, or email
Charleston County Public Works Department
Attn: Stormwater Management
4045 Bridge View Drive
North Charleston, SC 29405-7464
Charleston County has classified the unincorporated county areas of West Ashley, James Island, and Johns Island as Stormwater Special Protection Areas. Development in these areas must adhere to the Charleston County Stormwater Program Permitting Standards and Procedures Manual, as well as additional criteria depending on the size and type of construction. The GIS link below may be used to determine if a parcel is within an Unincorporated Charleston County Stormwater Special Protection Area by searching the address or parcel identification number (PID).
Contact Charleston County Public Works at 843-202-7639 or by email at Stormwater@CharlestonCounty.org.
City of Charleston
City of Folly Beach
City of North Charleston
City of Isle of Palms
Town of Awendaw
Town of Hollywood
Town of James Island
Town of Kiawah Island
Town of McClellanville
Town of Meggett
Town of Mount Pleasant
Town of Ravenel
Town of Rockville
Town of Seabrook Island
Town of Sullivan's Island
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