Ohio Administrative Code
Title 3745 - Ohio Environmental Protection Agency
Chapter 3745-5 - Water Quality Trading Program
Section 3745-5-09 - Determining water quality baselines
Current through all regulations passed and filed through March 18, 2024
(A) For permittees in an area where there is an approved TMDL, the water quality baseline shall be the lower of the following:
(B) For permittees in an area where there is not an approved TMDL or where water quality fully supports designated uses assigned in Chapter 3745-1 of the Administrative Code, the water quality baseline shall be the lower of the following:
(C) For nonpoint sources, the water quality baseline shall be the pollutant load associated with existing land uses and management practices. Existing management practices shall comply with any applicable federal, state or local requirements and shall be established as follows:
(D) For storm water sources regulated under an NPDES permit, the water quality baseline shall be either of the following:
(E) The director may consider data and information submitted as part of a water quality trading management plan application that supports the use of alternate methods of setting baselines, provided that the data is established as follows: