Total Maximum Daily Load, or TMDL,
Water Body Record

Shibboleth Branch (formerly Creek)
Approved Dec. 23, 2010

The U.S. Environmental Protection Agency, or EPA, approved the TMDL document for Shibboleth Branch, WBID 2120, Washington County. 

303(d)-listed pollutant:

  • Inorganic sediment.

To address the listed pollutant, TMDLs were calculated for:

  • Bed sediment cadmium, lead and zinc.
  • Dissolved cadmium, lead and zinc.
  • Inorganic sediment.

Documents in this record:

  • Approved Shibboleth Branch TMDL.
  • Shibboleth Branch TMDL Information Sheet.
  • EPA approval letter - This includes the EPA Region 7 TMDL Review pages in which they document how this TMDL meets all of their requirements.
  • Submittal letter transferring the TMDL to EPA for approval.
  • Comments and responses - The department received no comment letters during the public notice period, which was from April 30 to June 14, 2010. 
    Note: Comments were received from EPA after submittal.  Those comments were addressed prior to approval.