Ill. Admin. Code tit. 35, pt. 370

Illinois Recommended Standards for Sewage Works

AUTHORITY: Implementing Sections 4 and 39 and authorized by Section 39 of the Environmental Protection Act [415 ILCS 5/4 and 39]. SOURCE: Adopted at 4 Ill. Reg. 14, p. 224, effective March 31, 1980; codified at 8 Ill. Reg. 19430; recodified at 18 Ill. Reg. 6375; amended at 21 Ill. Reg. 12444, effective August 28, 1997. NOTE: In this Part, superscript numbers or letters are denoted by parentheses; subscript are denoted by brackets.ENVIRONMENTAL PROTECTION AGENCY

370.100Purpose 370.110Scope and Applicability 370.115Incoporations by Reference 370.200General 370.210Engineering Report 370.211Design Flows 370.220Detailed Engineering Plan Drawings Format 370.230Specifications to Accompany Detailed Engineering Plan Drawings 370.240Revisions to Approved Plans and Specifications 370.250Operation During Construction 370.260Engineers Seal 370.300General Considerations 370.310Design Basis 370.320Details of Design and Construction 370.330Manholes 370.340Sewers in Relation to Streams 370.350Protection of Water Supplies 370.400General 370.410Design 370.420Suction-Lift Pump Stations 370.430Submersible Pump Stations - Special Considerations 370.440Alarm Systems 370.450Emergency Operation 370.460Instructions and Equipment 370.470Force Mains 370.500Plant Location 370.510Quality of Effluent 370.520Design 370.530Plant Details 370.540Plant Outfalls 370.550Essential Facilities 370.560Safety 370.570Laboratory 370.600General Considerations 370.610Screening Devices 370.620Grit Removal Facilities 370.630Pre-Aeration 370.700General Considerations 370.710Design Considerations 370.720Sludge and Scum Removal 370.730Protection and Service Facilities 370.740Imhoff Tanks 370.750Septic Tank - Tile System 370.800General 370.810Process Selection 370.820Sludge Thickening 370.830Anaerobic Sludge Digestion 370.840Aerobic Sludge Digestion 370.845High pH Stabilization 370.850Sludge Pumps and Piping 370.860Sludge Dewatering 370.870Sludge Storage and Disposal 370.900Trickling Filters 370.910Rotating Biological Contactors (Repealed)370.915Rotating Biological Contactors 370.920Activated Sludge 370.930Waste Stabilization Ponds and Aerated Lagoons 370.940Intermittent Sand Filtration for Secondary Treatment 370.1000General 370.1010Disinfection Process Selection 370.1020Chlorine Disinfection 370.1021Dechlorination 370.1022Ultraviolet Disinfection 370.1030Chlorine Gas Supply (Repealed)370.1040Piping and Connections (Repealed)370.1050Housing (Repealed)370.1060Respiratory Protection Equipment (Repealed)370.1070Application of Chlorine (Repealed)370.1080Sampling and Testing 370.1100Applicability 370.1110Type 370.1120High Rate Filtration 370.1130Low Rate Intermittent or Periodically Dosed Sand Filters 370.1200Phosphorus Removal by Chemical Treatment 370.1210Ammonia Control 370.APPENDIX ATable No. 1 – Resident Occupancy Criteria 370.APPENDIX BTable No. 2 – Commonly Used Quantities of Sewage Flows From Miscellaneous Type Facilities 370.APPENDIX CTable No. 3 – Air Test Table for Sanitary Sewer Leakage Testing*370.APPENDIX DFigure No. 1 - Design of Sewers – Ratio of Peak Flow to Daily Average Flow 370.APPENDIX EFigure No. 2 – Primary Settling 370.APPENDIX FFigure No. 3 – B.O.D. Removal Single Stage Trickling Filter Units Including Post Settling – No Recirculation Included 370.APPENDIX GFigure No. 4 – Break Tank Sketch for Potable Water Supply Protection 370.APPENDIX HOld Section Numbers Referenced (Repealed)