Chapter 260 - WATER QUALITY STANDARDS
- Part I - Surface Water Standards with General, Statewide Application (§§ 25-260-5 — 25-260-155)
- Part II - Standards with More Specific Application (§§ 25-260-160 — 25-260-187)
- Part III - Deleted
- Part IV - Groundwater Standards [Repealed] (§ 25-260-190)
- Part V - Water Quality Criteria for Groundwater [Repealed] (§ 25-260-230)
- Part VI - Procedural Requirements (§§ 25-260-250 — 25-260-300)
- Part VII - Special Standards and Scenic Rivers Listings (§§ 25-260-310 — 25-260-320)
- Part VIII - Nutrient Enriched Waters (§§ 25-260-330 — 25-260-350)
- Part IX - River Basin Section Tables (§§ 25-260-360 — 25-260-550)