Water Protection Program

Total Maximum Daily Load, or TMDL, Water Body Record

Main Ditch
Approved Dec. 19, 2005

The U.S. Environmental Protection Agency, or EPA, approved the TMDL document for Main Ditch, WBID 2814, in Butler County. 

303(d)-listed pollutants:

• Biochemical Oxygen Demand.
• Low Dissolved Oxygen.
• Volatile Suspended Solids.

To address the listed pollutants, TMDLs were calculated for:

• Ammonia.
• Carbonaceous Biochemical Oxygen Demand.
• Volatile Suspended Solids.

Documents in this record:

• Approved Main Ditch TMDL.
• Main Ditch 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 one comment letter during the public notice period, which was from Aug. 5 to Sept.4, 2005.