[Code of Federal Regulations] [Title 40, Volume 18] [Revised as of July 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR130.25] [Page 360] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 130--WATER QUALITY PLANNING AND MANAGEMENT--Table of Contents Subpart C--Identifying Impaired Waterbodies And Establishing Total Maximum Daily Loads (TMDLs) Sec. 130.25 What is the scope of your list of impaired waterbodies? (a) Your approvable list of impaired waterbodies includes, based on all existing and readily available water quality-related data and information using appropriate quality assurance/quality control: (1) Waterbodies that are impaired by individual pollutants, multiple pollutants, or pollution from any source, including point sources, nonpoint sources, storm water sources for which a National Pollutant Discharge Elimination System (NPDES) permit is not required, ground water, and atmospheric deposition. (2) Waterbodies for which biological information indicates that they do not attain and maintain water quality standards. (3) Waterbodies that are impaired by point sources only, nonpoint sources only, or by a combination of point and nonpoint sources. (b) Your list may include, at your option, waterbodies that are not impaired, but which, based on expected changes in loadings or conditions, you anticipate will become impaired in the next four years.