Rules & Regulations of the State of Tennessee
Title 0400 - Environment and Conservation
Subtitle 0400-40 - Water Resources (WPC)
Chapter 0400-40-03 - General Water Quality Criteria
Section 0400-40-03-.08 - CRITERIA

Universal Citation: TN Comp Rules and Regs 0400-40-03-.08

Current through September 24, 2024

The water quality criteria for the different classes are as follows:

(1) Special Source Water

The board will consider the special protection needs of any water identified as Special Source Water and promulgate criteria at the time of designation.

(2) General Use Ground Water

Except for naturally occurring levels, General Use Ground Water:

(a) shall not contain constituents that exceed those levels specified in subparagraphs (1)(j) and (k) of Rule 0400-40-03-.03; and

(b) shall contain no other constituents at levels and conditions which pose an unreasonable risk to the public health or the environment.

(3) Site Specific Impaired Ground Water

Except for naturally occurring levels, Site Specific Impaired Ground Water:

(a) shall contain no substances, whether alone or in combination with other substances , that are toxic, carcinogenic, mutagenic or teratogenic, other than those of natural origin, at levels and conditions which pose an unreasonable risk to public health or the environment;

(b) shall contain no other constituents at levels and conditions which pose an unreasonable risk to the public health or the environment;

(c) shall contain no constituents at levels that will prevent ground waters beyond the point of classification change from meeting the classification and criteria for those waters; and

(d) other criteria established by the board as appropriate to the site.

(4) Unusable Ground Water

Except for naturally occurring levels, Unusable Ground Water:

(a) shall contain no substances, whether alone or in combination with other substances, that are toxic, carcinogenic, mutagenic or teratogenic, other than those of natural origin, at levels and conditions which pose an unreasonable risk to the public health;

(b) shall contain no other constituents at levels and conditions which pose an unreasonable risk to the public health;

(c) shall not discharge to surface water causing a violation of surface water quality criteria or biological integrity; and

(d) naturally occurring levels as used in subparagraph (a) of this paragraph shall include the natural minerals, mining wastes, and the reaction products of oxidation and reduction associated with these materials in Unusable Ground Water in an Acid Production Zone from Mining Activities. These substances shall not pose an unreasonable public health or safety risk to the public. Physical barriers and institutional controls satisfy that requirement.

Authority: T.C.A. §§ 69-3-101 et seq. and 4-5-201 et seq.

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