TMDLs Under Development

Commencement of TMDLs

Development of a total maximum daily load(s) or Alternative Restoration Plan(s) are currently underway for the area(s) listed in the table below. Please send any data or information that supports the development of the TMDL or alternative restoration plan to Wade Cantrell . All data and information submitted, including characterizations of local conditions that affect attainment of water quality standards, shall be considered before completing the TMDL or alternative restoration plan.

Waterbody County(ies) Parameter Water Quality Monitoring Sites Date of Commencement
Central Midlands/3 Rivers Lexington, Richland Fecal Coliform/E. coli CSB-001L, CSB-001R,
B-080, C-070, S-298, CRK06, CRK08, CRK09
Chauga River Oconee Fecal Coliform/E. coli SV-344 07/01/2020
Euhaw Creek Jasper Fecal Coliform 17-23 01/18/2021
Gills Creek Richland Lead (Pb) C-017 07/01/2020
Lower Catawba Basin
  1. Cedar Creek Reservoir
  2. Fishing Creek Reservoir
  3. Great Falls Reservoir
  4. Lake Wateree
Chester, Fairfield, Kershaw, Lancaster, York CHLA, PH, TN, TP Numerous SCDHEC Water Quality Sites Impaired for one or more nutrient-related parameter Prior to 05/20/2005
Lucy Point Creek and Rock Springs Creek/Shellfish Management Area 16A Beaufort Fecal Coliform 16A-13B,16A-19, 16A-33 05/07/2021
McAlpine Creek and Sugar Creek York E. coli CW-036, CW-064 06/01/2016
Morgan River Tributaries/Shellfish Management Area 16A Beaufort Fecal Coliform 16A-08,16A-09, 16A-18,  16A-23, 16A-27, 16A-28, 16A-38 03/02/2021
Reedy River Greenville, Laurens Fecal Coliform/E. coli S-013, S-018, S-021,     
S-067, S-070, S-072,     
S-073, S-091, S-178,     
S-264, S-319, S-323
Prior to 11/21/2006
Reedy River Greenville, Laurens PH, Total Nitrogen, Total Phosphorus S-308, S-311 Prior to 05/20/2005
Russel Creek / Shellfish Management Area 12B Charleston Fecal Coliform 12B-43A, 12B-43 8/10/2021
Sand Creek / Shellfish Management Area 12B Charleston Fecal Coliform 12B-37, 12B-47, 12B-50 10/1/2021


Manager: Wade Cantrell, (803) 898-3548
303(d) List and TMDL Coordinator: Susan Waldner, (803) 898-2460
TMDL Project Manager: Wayne Harden, (803) 898-4303
TMDL Project Manager: Banu Varlik, (803) 898-3701
TMDL/Wasteload Allocation Project Manager: Yoichi Matsuzuru, (803) 898-1545
TMDL/Wasteload Allocation Project Manager: Susan Waldner, (803) 898-2460
TMDL/Wasteload Allocation Project Manager: Matt Baumann, (803) 898-4249
Wasteload Allocation Project Manager: Feleke Arega, (803) 898-4451
Wasteload Allocation Project Manager: Erika Balogh, (803) 898-3806
Wasteload Allocation Project Manager: Heather Rizzuti, (803) 898-3903