Subchapter I - Intrastate Waters
- Section NR 104.01 - General
- Section NR 104.02 - Surface water classifications and effluent limitations
- Section NR 104.04 - Provision for changes
- Section NR 104.05 - Variances and additions applicable in the southern district
- Section NR 104.06 - Variances and additions applicable in the southeast district
- Section NR 104.07 - Variances and additions applicable in the Lake Michigan district
- Section NR 104.08 - Variances and additions applicable in the north central district
- Section NR 104.09 - Variances and additions applicable in the west central district
- Section NR 104.10 - Variances and additions applicable in the northwest district