Article 2 - WATER QUALITY STANDARDS
- Rule 327 IAC 2-1 - Water Quality Standards Applicable to All State Waters Except Waters of the State Within the Great Lakes System (§§ 2-1-1 — 2-1-13)
- Rule 327 IAC 2-1.1 - Waters Designated as Limited Use Under the CSO Wet Weather Limited Use Subcategory Designation (§§ 2-1.1-1 — 2-1.1-3)
- Rule 327 IAC 2-1.3 - Antidegradation Standards and Implementation Procedures (§§ 2-1.3-1 — 2-1.3-7)
- Rule 327 IAC 2-1.5 - Water Quality Standards Applicable to All State Waters Within the Great Lakes System (§§ 2-1.5-1 — 2-1.5-20)
- Rule 327 IAC 2-2 - Cyanides and Cyanogen Compounds; Drainage into Sewer Systems or Watercourses Prohibited; Exception (§ 2-2-1)
- Rule 327 IAC 2-3 - Coal Mines; Restrictions on Acid Drainage and Refuse Deposits into State Waters (§ 2-3-1)
- Rule 327 IAC 2-4 - Waste Treatment Control Facilities; Discharge into State Waters; Monthly Reports (§§ 2-4-1 — 2-4-4)
- Rule 327 IAC 2-5 - Phosphates; Permits for Use by Manufacturers and Processors; Detergents (§ 2-5-1)
- Rule 327 IAC 2-6 - Spills of Oil and Other Objectionable Substances; Reporting, Containment and Cleanup (Repealed)
- Rule 327 IAC 2-6.1 - Spills; Reporting, Containment, and Response (§§ 2-6.1-1 — 2-6.1-9)
- Rule 327 IAC 2-7 - Lake Michigan and Contiguous Harbor Areas (Repealed)
- Rule 327 IAC 2-8 - Grand Calumet River and Indiana Harbor Ship Canal (Repealed)
- Rule 327 IAC 2-9 - Natural Spawning, Rearing or Imprinting Areas; Migration Routes for Salmonid Fishes (Repealed)
- Rule 327 IAC 2-10 - Secondary Containment of Aboveground Storage Tanks Containing Hazardous Materials (§§ 2-10-1 — 2-10-8)
- Rule 327 IAC 2-11 - Ground Water Quality Standards (§§ 2-11-1 — 2-11-9)