Subchapter 05 - Water Quality
- Part 1 - Water Quality Regulations (§§ 250-RICR-150-05-1.1 — 250-RICR-150-05-1.32)
- Part 2 - Rules and Regulations for Dredging and the Management of Dredged Materials (250-RICR-150-05-2) (§§ 250-RICR-150-05-2.1 — 250-RICR-150-05-2.19)
- Part 3 - Groundwater Quality Rules (§§ 250-RICR-150-05-3.1 — 250-RICR-150-05-3.24)
- Part 4 - Groundwater Discharge Rules (Rules for the Discharge of Non-Sanitary Wastewater and Other Fluid to or Below the Ground Surface) (250-RICR-150-05-4) (§§ 250-RICR-150-05-4.1 — 250-RICR-150-05-4.24)