Chapter 1 - Mississippi Commission on Environmental Quality National Pollutant Discharge Elimination System (NPDES) Permits, Underground Injection Control (UIC) Permits, State Permits, Water Quality Based Effluent Limitations and Water Quality Certification

Subchapter 1 - Wastewater Permit Regulations (§§ 6-1.1.1 — 6-1.1.6)
Subchapter 2 - Water Quality Based Effluent Limitations (§§ 6-1.2.1 — 6-1.2.7)
Subchapter 3 - Water Quality Certification of Activities Requiring Federal Licenses or Permits (§§ 6-1.3.1 — 6-1.3.6)