Water Resources Protection
- Part 4 - WATER QUALITY STANDARDS (§§ 323.1041 — 323.1117)
- Part 5 - SPILLAGE OF OIL AND POLLUTING MATERIALS (§§ 324.2001 — 324.2009)
- Part 6 - CLEANING AGENTS AND WATER CONDITIONERS (§§ 323.1171 — 323.1181)
- Part 8 - WATER QUALITY-BASED EFFLUENT LIMIT DEVELOPMENT FOR TOXIC SUBSTANCES (§§ 323.1201 — 323.1221)
- Part 10 - TREATMENT PLANT OPERATORS (§§ 323.1251 — 323.1259)
- Part 13 - FLOODPLAINS AND FLOODWAYS (§§ 323.1311 — 323.1329)
- Part 15 - IRON ORE BENEFICIATION (§§ 323.1351 — 323.1354)
- Part 17 - SOIL EROSION AND SEDIMENTATION CONTROL (§§ 323.1701 — 323.1714)
- Part 21 - WASTEWATER DISCHARGE PERMITS (§§ 323.2101 — 323.2197)
- Part 22 - GROUNDWATER QUALITY (§§ 323.2201 — 323.2240)
- Part 23 - PRETREATMENT (§§ 323.2301 — 323.2317)
- Part 24 - LAND APPLICATION OF BIOSOLIDS (§§ 323.2401 — 323.2418)