40 CFR 131.11 - Criteria.

§ 131.11 Criteria.
(a) Inclusion of pollutants:
(1) States must adopt those water quality criteria that protect the designated use. Such criteria must be based on sound scientific rationale and must contain sufficient parameters or constituents to protect the designated use. For waters with multiple use designations, the criteria shall support the most sensitive use.
(2) Toxic pollutants. States must review water quality data and information on discharges to identify specific water bodies where toxic pollutants may be adversely affecting water quality or the attainment of the designated water use or where the levels of toxic pollutants are at a level to warrant concern and must adopt criteria for such toxic pollutants applicable to the water body sufficient to protect the designated use. Where a State adopts narrative criteria for toxic pollutants to protect designated uses, the State must provide information identifying the method by which the State intends to regulate point source discharges of toxic pollutants on water quality limited segments based on such narrative criteria. Such information may be included as part of the standards or may be included in documents generated by the State in response to the Water Quality Planning and Management Regulations (40 CFR part 35).
(b) Form of criteria: In establishing criteria, States should:
(1) Establish numerical values based on:
(i) 304(a) Guidance; or
(ii) 304(a) Guidance modified to reflect site-specific conditions; or
(iii) Other scientifically defensible methods;
(2) Establish narrative criteria or criteria based upon biomonitoring methods where numerical criteria cannot be established or to supplement numerical criteria.

Title 40 published on 2013-07-01

no entries appear in the Federal Register after this date.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code
U.S. Code: Title 33 - NAVIGATION AND NAVIGABLE WATERS

Title 40 published on 2013-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR 131 after this date.

  • 2013-11-27; vol. 78 # 229 - Wednesday, November 27, 2013
    1. 78 FR 70905 - Extension of Comment Period for the Water Quality Standards Regulatory Clarifications Proposed Rule
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Proposed rule; extension of comment period.
      Comments must be received on or before January 2, 2014. The comment period was originally scheduled to end on December 3, 2013.
      40 CFR Part 131