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Coastal Plain Well Inventory Conditional Shellfish Harvest Closures Fish Consumption Advisories Groundwater Data Harmful Algal Blooms Lead Testing for School or Day Care Drinking Water PFAS SC Adopt-a-Stream Hydrogeologic Framework State Regulated Dams Stormwater Notice of Intent Watershed AtlasGeneral and Registration Permits (Air Quality)
Bureau of Air Quality's current general and registration permits:, Asphalt Plants (General Conditional Major and General Synthetic Minor Construction) Interactive Map of permitted Asphalt Plants located in South Carolina An asphalt plant, also known as an asphalt mixing plant, asphalt batching plant, or hot-mix plant, mix aggregates, binders, and fillers to produce a homogenous asphalt mix for paving project, from a high-traffic highway to airport runways.…Air Dispersion Modeling Data
Background Concentrations for Modeling Purposes (revised 9/10/2025) Digital Terrain Data: National Elevation Dataset (NED) for use with AERMOD Download AERMET Data Using Our Interactive Map Download Ozone Data for use in AERMOD Tier 3 NO2 modeling (OLM and PVMRM) County Emission Inventories for Other Information Weight of Evidence Justifications (8/12/2024) Landuse Tool: Helps assess whether a…, Pre-processed, NWS Meteorological Data Sets, 2015-2019 (, For use in AERMOD in South Carolina), The state has been divided into 12 areas such that the meteorological station/data assigned to each area is deemed by SCDES's Bureau of Air Quality (BAQ) to be the most representative, in general, for AERMOD modeling purposes for that area and should be used as the default data for a given area. Please contact BAQ with any questions/issues or unusual circumstances. For PSD permit modeling, the…, Important Note (September 2, 2021), The meteorological data sets were updated on September 2, 2021. They were processed with AERMET version 21112 and are based on 2015-2019 surface and upper air observations. The data sets should be used for all non-prevention of Significant Deterioration (non-PSD) AERMOD modeling conducted after September 2, 2021. Applicants performing modeling for a PSD permit should contact Greg Quina ( 803-898-…, Digital Terrain Data: National Elevation Dataset (NED) for use with AERMOD, This NED data covering South Carolina was obtained from the United States Geological Survey (USGS) . They are made available here for use with regulatory AERMOD modeling analyses for sources located in South Carolina. The data is in county divisions at 1 arc-second (approximately 30-meter) horizontal resolution in GeoTIFF format. Please note that these data sources may occasionally be updated by…, November 9, 2022, . If you have questions about these data sources, please contact the BAQ modeling section at (803) 898-4074. Download NED data via an Interactive Map Or Download-by-County Data Below Abbeville Aiken Allendale Anderson Bamberg Barnwell Beaufort Berkeley Calhoun Charleston Cherokee Chester Chesterfield Clarendon Colleton Darlington Dillon Dorchester Edgefield Fairfield Florence Georgetown…Commercial Environmental Laboratory Mapping (CELMapp)
The CELMapp application can be used to search for all commercial environmental laboratories that are certified by the South Carolina Department of Environmental Services (SCDES) Office of Environmental Laboratory Certification. Listings found with CELMapp are general and do not specify parameters, methods, or analytes a certified laboratory may use. Analytes are the chemical substances in a…, Search & Filter Results, CLE search tool Users may filter laboratories by "Acts" and "Categories" for which they hold certification. The filter tool allows users to narrow results by categories, such as:, Categories, Minerals Microbiology (bacteria) Radiologicals Trace Metals, Acts, Drinking Water - (Safe Drinking Water Act) Solid & Hazardous Wastes Wastewater (NPDES), Pretreatment - (Clean Water Act) A list outlining all possible methods and parameters under each category can be found at the following link: Parameter List by Category - (PDF) . A tabular view of certified commercial laboratories appears when you open the application. The table's height may be adjusted by…, To request a list of certified labs for specific methods, parameters, and/or analytes, send an email to, labcerthelp@des.sc.gov, or contact the laboratory directly to verify they have the necessary certification., Example Searches, Do you need to know what laboratories may be able to process your water samples and check for lead (aka, metals)? Here's how you filter: Open the application, click the "Drinking Water" filter, then click the "Trace Metals" filter. The application will then display those laboratories which hold certification for Trace Metals. Want to know which laboratories may be able to process your sample and…Cleanup Contractors and Vendors
The organizations included here offer a variety of services related to the, assessment, removal, and disposal of materials and wastes, , within the State of South Carolina (, SC, ). The SC Department of Environmental Services (, SCDES, ) assumes, no responsibility, for the accuracy of the information provided here and, does not, recommend or endorse any firm, product, or service. For a more current and complete list of, certified environmental laboratories, , refer to the Commercial Environmental Laboratory Mapping (, CELMapp, ) application maintained by the Office of Environmental Laboratory Certification (, ELM, ). For a more current and complete list of, solid waste disposal facilities, , refer to the, Active and Post-Closure Site Directory, maintained by the Bureau of Land and Waste Management (, BLWM, ). For a list of contractors specializing in, septic systems, , refer to the SC Onsite Wastewater (, SC OSWW, ) application for Installers, Pumpers/Haulers, and Tank Manufacturers. To submit an application for the inclusion of a new firm, complete the form found, here, .Environmental Public Notices
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Updates from Environmental Lab Certification Program
Standard Methods QC Requirements for Peracetic Acid and Hydrogen Peroxide (pdf) Updated Allowances for Verification of Hach Residual Chlorine Meters Using Gel Standards Memo - November 2024 (pdf) Clean Water Methods Update Rule & Safe Drinking Water Expedited Rules Memo - October 2024 (pdf) Field Calibration Memo - October 2024 (pdf) SCDES Office of Environmental Laboratory Certification -…Regulations Table
This is a comprehensive compilation of the Department of Environmental Services' regulations. Copies of these regulations are provided by SCDES for the convenience of the public. Every effort has been made to ensure their accuracy and completeness; however, it is not the official text. SCDES reserves the right to withdraw or correct this text if deviations from the official text as published in…, South Carolina State Register, are found., The table below is searchable by regulation number, regulation title, or subject matter keywords. The regulations within the table below may be reorganized by clicking the column headers. To organize the regulations in numerical order, select "Regulation Number." To organize the regulations in alphabetical order, select "Title." To group the regulations by agency bureau, select "Bureau."