The Department of Stormwater Management includes the City’s Stormwater Regulatory Program, Stormwater Capital Project Management, Floodplain Management, and Field Operations Crews to maintain the Drainage System.

The Stormwater Design Manual standardizes how stormwater elements of a project are designed, submitted, reviewed, approved, and inspected. The 2020 Stormwater Design Standards Manual is available here as a PDF. Questions about the updated Stormwater Design Standards Manual? Check out the SWDSM Fact Sheet for a summary of the major changes.

The City of Charleston has various maps showing the stormwater drainage system. Geographic Information System ( GIS ) Stormwater Mapping Data - This link takes you to our GIS platform for downloading and discovering available data, the stormwater data contains various layers showing information gathered about stormwater structures as well as ...

Let's look at three important ways the City is addressing tidal flooding and the threat of storm surge: check valves, berms, and seawalls. Our existing stormwater infrastructure is continually being rehabilitated. These projects include road side ditch, closed system (pipes), brick arch, and outfall rehabilitation.

In September 2007, the City of Charleston passed a stormwater ordinance that incorporates requirements of the federally mandated NPDES Phase II stormwater program. The ordinance addresses elements of Minimum Control Measures (MCM), construction-site stormwater control, and post-construction stormwater control.

Jul 23, 2021 · CHARLESTON, S.C. (WCSC) - Between the Ashley River Bridges the City of Charleston is building the largest flood drainage system they’ve ever had. The project started about 10 years ago and is now a couple years from being finished, Charleston Director of Stormwater Management Matthew Fountain says.

A foundational City-wide strategy for managing flood risks and embracing water’s place in the City’s future. Looking ahead to 2050 and beyond, the Water Plan seeks to: Manage flood risks from tides, sea level rise, stormwater, storm surge & groundwater; Guide safe, resilient growth; Protect, conserve, and restore ecologically sensitive areas

ARTICLE II. - STORMWATER FACILITIES AND FLOOD HAZARD DAMAGE PREVENTION AND CONTROL | Code of Ordinances | Charleston, SC | Municode Library

Oct 22, 2024 · The City of Charleston is accepting $2 million toward two West Ashley stormwater management projects. The state funding will pay $1 million each into the budgets of construction projects for the DuPont Wappoo Drainage Improvement Project and the Windermere Drainage and Outfall Improvement Project.

Stormwater service cleans pipes, inlets and ditches in order for our drainage to operate effectively. Notify us if you see problems with drainage in the City of Charleston. Stormwater fees are used for the stormwater drainage system: