The Surface Water Program maintains master copies of the Simplified Water Allocation Models. Use this page to download SWAM models for the Edisto, Broad, Pee Dee, Salkehatchie, Saluda, and Savannah River basins.
The South Carolina Department of Natural Resources (SCDNR) is pleased to announce the public release of the Simplified Water Allocation Models (SWAM) for the Broad, Edisto, Pee Dee, Salkehatchie, Saluda, and Savannah river basins. These models are being made available via this FTP Site. At the site a folder is listed for each basin, and each folder includes the following files:
The SCDNR, in collaboration with the South Carolina Department of Health and Environmental Control (SCDHEC), awarded a contract to CDM Smith, Inc. in August 2014 for the purpose of developing surface water quantity models using the SWAM modeling tool. The SWAM models are intended to support the development of regional water plans for each of the eight major river basins in the State. Information on the State’s water planning efforts can be found on the SCDNR website and at scwatermodels.com.
Minimum system requirements for using the SWAM models include Microsoft Excel 2013 and a computer with 8 GB of RAM.
The SCDNR has made tremendous efforts to ensure the accuracy of data included in the model but cannot guarantee that data inputs are error free. Models will be updated as necessary and a log describing any changes or updates to the model will be included in each basin’s subfolder. To ensure access to the most recent model, users are encouraged to access the model directly from this public site.
Each individual user should download his or her model(s) of interest directly through this public access site. The distribution of the models to other potential users is strongly discouraged.
The South Carolina Department of Natural Resources is providing free public access to the SWAM models and associated data. The SWAM models were developed for the purpose of providing general water availability information and are intended to support the development of regional water plans in each of the eight major river basins in the State. The model is not designed or intended to function as a site specific engineering or hydraulic model. The models are based on the available data at the time of development. Although the models and data have been subjected to rigorous review and are substantially complete, the SCDNR reserves the right to revise the models and data pursuant to further analysis and review. Updated models may subsequently be released and made available to the public.
Though the models are being made available for personal use to interested stakeholders, the SCDNR is not obligated to review or comment on individual applications of the model. The agency is also not responsible for the misuse or misapplication of the model, and any person or entity that relies on the SWAM model does so at his or her own risk.
The SCDNR, including any board member, officer, or employee, does not warrant the function of the SWAM models and shall not be liable for any losses caused by such reliance on the operation of the SWAM models, including, but not limited to, incidental and consequential damages. The access to and distribution of the SWAM models is provided 'as is' without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability, fitness for a particular purpose or non-infringement. The SCDNR maintains all immunities and defenses provided in the South Carolina Tort Claims Act and otherwise provided by law.
You can access the FTP site by clicking on the Download Water Models tab below. You will be requested to fill out a short survey asking for basic information about how you plan to use the models. After completing this survey, you will be given instructions on how to access the FTP Site. Please note: Internet Explorer is the only browser option for accessing and downloading model files from the FTP site, but access to the ftp site is available through several ftp client software applications such as WinSCP or Filezilla.
Once on the FTP site, click on the hydrology folder, and then click on the name of the folder corresponding to the basin of interest. Select the file(s) of interest and then click, hold and drag the file to the desired folder on the local computer.
Download Water Models
For any issues regarding the download and use of the models or to report potential data input errors, please contact Scott Harder (harders@dnr.sc.gov) with the SCDNR or Leigh Ann Monroe (monroela@dhec.sc.gov) with SCDHEC.