Subchapter 13 - Implementation of Antidegradation Policy
- Section 252:740-13-1 - Applicability and scope
- Section 252:740-13-2 - Definitions
- Section 252:740-13-3 - Tier 1 protection; attainment or maintenance of an existing or designated beneficial use
- Section 252:740-13-4 - Tier 2 protection; maintenance and protection of sensitive water supply-reuse and other tier 2 waterbodies
- Section 252:740-13-5 - Tier 2.5 protection; maintenance and protection of high quality waters, sensitive water supplies, and other tier 2.5 waterbodies
- Section 252:740-13-6 - Tier 3 protection; prohibition against degradation of water quality in outstanding resource waters
- Section 252:740-13-7 - Protection for Appendix B areas
- Section 252:740-13-8 - Antidegradation review in surface waters