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Water: State, Tribal & Territorial Standards

Repository of Documents: Indiana

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Article 2. Water Quality Standards (PDF) (136 pp, 1.1MB)
(Effective March 11, 2013) Document contains water quality standards for all State waters. Note: EPA disapproved variance provisions contained at 327 IAD 2-1.5-17(b), 327 IAD 5-3-4.1(b)(1), and provisions for determining reasonable potential for whole effluent toxicity at 327 IAC 5-2-11.5(c)(1). Pursuant to the Great Lakes Guidance contained at 40 CFR 132, these provisions are replaced by federal provisions contained at 40 CFR 132, Appendix F, Procedure II, Section C, paragraph 1; 40 CFR 132, Appendix F, Procedure 5, Section F, paragraph 2; and 40 CFR 132, Appendix F, Procedure 6, Section C, paragraph 1 and Section D apply respectively.
Article 2, Rule 1.3 Antidegradation Standards and Implementation Procedures (PDF) (33 pp, 96K)
(Effective September 27, 2012) Document contains Indiana’s antidegradation standards and implementation procedures.
Article 5. 327 IAC 5-3.5. Streamlined Mercury Variance Requirements and Application Process (PDF) (6 pp, 142K)
(Effective December 20, 2005) Section 327 IAC 5-3.5 was added to establish a process and application requirements for obtaining a variance from the existing water quality criterion used to establish a water quality-based effluent limitation for mercury in wastewater discharges permitted under the National Pollutant Discharge Elimination System (NPDES) program.
Federal Regulations, 40 CFR 132, Appendix F
(Effective July 1, 2000) Great Lakes Water Quality Initiative Implementation Procedures.

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