Subchapter 00 - N/A
- Part 1 - Water Use and Efficiency Rule for Major Public Water Suppliers (§§ 490-RICR-00-00-1.1 — 490-RICR-00-00-1.8)
- Part 2 - Rules and Procedures for Water Supply Systems Management Planning (§§ 490-RICR-00-00-2.1 — 490-RICR-00-00-2.15)
- Part 3 - Rules and Regulations for Emergency Water Systems Interconnections (§§ 490-RICR-00-00-3.1 — 490-RICR-00-00-3.2)
- Part 4 - Administrative Procedure: Water Development Fund (§§ 490-RICR-00-00-4.1 — 490-RICR-00-00-4.13)
- Part 5 - Big River Management Area (§§ 490-RICR-00-00-5.1 — 490-RICR-00-00-5.8)
- Part 6 - RI Water Facilities Program Administrative Procedure (§§ 490-RICR-00-00-6.1 — 490-RICR-00-00-6.2)
- Part 7 - Water Quality Protection Charges (§§ 490-RICR-00-00-7.1 — 490-RICR-00-00-7.12)
- Part 9 - Rules of Procedure for Administrative Hearings (§§ 490-RICR-00-00-9.1 — 490-RICR-00-00-9.13)