Water Resources Protection
- Part 4 - WATER QUALITY STANDARDS, version 2 (§ R. 323.1041 to R. 323.1117)
- Part 5 - SPILLAGE OF OIL AND POLLUTING MATERIALS (§ R. 324.2001 to R. 324.2009)
- Part 6 - CLEANING AGENTS AND WATER CONDITIONERS, version 2 (§ R. 323.1171 to R. 323.1181)
- Part 8 - WATER QUALITY-BASED EFFLUENT LIMIT DEVELOPMENT FOR TOXIC SUBSTANCES, version 2 (§ R. 323.1201 to R. 323.1221)
- Part 10 - TREATMENT PLANT OPERATORS, version 2 (§ R. 323.1251 to R. 323.1259)
- Part 13 - FLOODPLAINS AND FLOODWAYS (§ R. 323.1311 to R. 323.1329)
- Part 15 - IRON ORE BENEFICIATION, version 2 (§ R. 323.1351 to R. 323.1354)
- Part 17 - SOIL EROSION AND SEDIMENTATION CONTROL, version 2 (§ R. 323.1701 to R. 323.1714)
- Part 21 - WASTEWATER DISCHARGE PERMITS (§ R. 323.2101 to R. 323.2197)
- Part 22 - GROUNDWATER QUALITY (§ R. 323.2201 to R. 323.2240)
- Part 23 - PRETREATMENT (§ R. 323.2301 to R. 323.2317)
- Part 24 - LAND APPLICATION OF BIOSOLIDS (§ R. 323.2401 to R. 323.2418)
The following state regulations pages link to this page.
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.