[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: 40CFR130.22]

[Page 358]
 
                   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. 130.22  What data and information do you need to assemble and consider to identify and list impaired waterbodies?

    (a) You need to assemble and consider all existing and readily 
available water quality-related data and information when you develop 
your list of impaired waterbodies.
    (b) Existing and readily available water quality-related data and 
information includes at a minimum the data and information in and 
forming the basis for the following:
    (1) Your most recent EPA approved section 303(d) list;
    (2) Your most recent Clean Water Act section 305(b) report;
    (3) Clean Water Act section 319 nonpoint source assessments;
    (4) Drinking water source water assessments under section 1453 of 
the Safe Drinking Water Act;
    (5) Dilution calculations, trend analyses, or predictive models for 
determining the physical, chemical or biological integrity of streams, 
rivers, lakes, and estuaries; and
    (6) Data, information, and water quality problems reported from 
local, State, Territorial, or Federal agencies (especially the U.S. 
Geological Survey National Water Quality Assessment (NAWQA) and National 
Stream Quality Accounting Network (NASQAN)), Tribal governments, members 
of the public, and academic institutions.