Groundwater Discharges Section
- Regulations Governing the Design, Installation and Operation of On-Site Wastewater Treatment and Disposal Systems (§§ 7000 — 7101-8.0)
- Regulations Governing Underground Injection Control Office of the Secretary (§§ 7000 — 7102-70.0)
- Guidance and Regulations Governing the Land Treatment of Wastes (§§ 7000 — 7103-173.0)