Emergency Orders
Emissions Inventory
Emission Inventory, Emissions Inventory reporting is required by Regulation 61-62.1 Section III and a facility's Title V permit. These Emissions Inventory reports shall be submitted to the manager of the Emissions Inventory Section of the Bureau of Air Quality. All other reports required by a facility's Title V permit shall be submitted to the entity specified in the permit., Reporting , Revised Regulation 61-62.1, Section III - Emissions Inventory (pdf) (Effective 8/25/2017) Note: Emissions from non-fugitive and fugitive sources (excluding vehicle engine emissions) are to be used when determining a facility's "Inventory Source Type" and when reporting a facility's emissions to comply with this Regulation. Do I need to do an Emissions Inventory? (pdf), SLEIS, State and Local Emissions Inventory System (SLEIS) is the Emissions Inventory electronic reporting tool. If you have any questions, please contact Chad Wilbanks at 803-898-4106, Data and Reporting Guidance , 2024 EI Webinar Slides (2023 data) (pdf) Template Letter for 2021 Title V Emissions Reporting (pdf) SLEIS Training Slides (pdf) Information on gathering your data & performing calculation SLEIS Home Page Data Gathering Tool SLEIS Training Video Playlist SCDES YouTube Channel HAPs of Primary Concern (pdf) Table of HAPs to report at any level (i.e., no de minimis) within your facility.…, Emissions Estimating Tools , Multisource Test Calculator Tool (xls) Spreadsheet template that assists in calculating emissions using results of a Department-approved source test. Please note that all templates are examples for use at your discretion only. Feel free to download & modify for your needs Example Multisource Test Calculator Modification #1 for Coal and Woodwaste Boilers (xls) This template includes MMBTU and…, (BAQ staff implement these methods in developing emission estimates), FIRE for Windows® Rule Effectiveness Help (pdf) , "How to Incorporate the Effects of Control Device Efficiencies and Malfunctions into Emissions Inventory Estimates.", Software to assist those preparing inventories, Landfill Air Emissions Estimation Model Storage Tank Emissions - TANKS for Windows® Waste Water Treatment Plants - WATER9 Model, Polyester Resin Plastic Products Fabrication Emission Estimates, Unified Emission Factors (pdf) Preferred method for estimating emissions of Styrene and Methyl Methacrylate from open molding of resin composites including the Boat Manufacturing Industry but not the Reinforced Plastic Composites Industries covered by 40 CFR 63, Subpart WWWW. MACT Final Rule for Reinforced Plastic Composite Production (40 CFR 63, Subpart WWWW) Preferred method for estimating…Major Beachfront Critical Area Permits
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Air Quality Forecast
Keep off the Dunes Program
South Carolina’s Keep off the Dunes Program is a collaborative effort between SCDES BCM, local municipalities, and other partners to enhance public awareness of sensitive dune environments and to promote preservation of the state’s dune resources. , Please Keep Off Dunes - Metal Signs, please keep off the dunes High quality, UV-resistant metal signs are available for purchase from SCDES BCM. For questions about this program, please contact Lexi Mitchell at Alexandra.Mitchell@des.sc.gov .Water Quality Certification Program (Section 401) - Overview
*401 Certification Pre-filing and Certification Requests Instructions*, The SC Department of Environmental Services (SCDES) administers the Water Quality Certification program pursuant to Section 401 of the Federal Clean Water Act. Section 401 requires that the State issue certification for any activity which requires a Federal permit and may result in a discharge to State waters. This certification must state that applicable effluent limits and water quality…, All activities requiring a Federal 404 permit (a U.S. Army Corps of Engineers permit for the discharge of dredged or fill material) result in a discharge to waters or wetlands, so SCDES must take certification action on all 404 permit applications. U.S. Coast Guard Permits and Federal Energy Regulatory Commission Permits also require states to take Water Quality Certification action. During a…, Regulations, R.61-101, Water Quality Certification R.61-68, Water Classifications & Standards R.61-69, Classified WatersProjects Funded by DERA Grants in South Carolina
Projects Funded by DERA Grants in South CarolinaFreedom of Information Act Requests
The South Carolina Department of Environmental Services (SCDES) maintains public records that are available for review, upon request, in accordance with the state's, Freedom of Information Act, (“FOIA”). SCDES follows the, FOIA Policies and Procedures, and the, Family Privacy Protection policy, when reviewing and fulfilling requests for copies of records.State and Local Officials Provide Update on Lake Greenwood Fish Kill (April 24, 2026)
FOR IMMEDIATE RELEASE: April 24, 2026 GREENWOOD COUNTY, S.C. — SCDES, SCDNR and Greenwood County officials continue to work together to investigate the recent fish kill in an area of Lake Greenwood in Greenwood County. Both state agencies continue to receive and review sample results as well as follow up on information provided by local residents in order to try to determine the cause. Lake…, SCDNR’s 24-hour reporting line at 1‑800‑922‑5431., ###