TITLE 77: PUBLIC HEALTH CHAPTER I: DEPARTMENT OF PUBLIC HEALTH SUBCHAPTER r: WATER AND SEWAGE PART 890 ILLINOIS PLUMBING CODE The General Assembly's Illinois Administrative Code database includes only those rulemakings that have been permanently adopted. This menu will point out the Sections on which an emergency rule (valid for a maximum of 150 days, usually until replaced by a permanent rulemaking) exists. The emergency rulemaking is linked through the notation that follows the Section heading in the menu. View Entire Part SUBPART A: DEFINITIONS AND GENERAL PROVISIONS Section 890.110 Applicability Section 890.120 Definitions Section 890.130 Incorporated and Referenced Materials Section 890.140 Compliance with this Part Section 890.150 Workmanship Section 890.160 Used Plumbing Material, Equipment, Fixtures Section 890.170 Sewer and/or Water Required Section 890.180 Sewer and Water Pipe Installation Section 890.190 Piping Measurements Section 890.200 Operation of Plumbing Equipment SUBPART B: PLUMBING MATERIALS Section 890.210 Materials Section 890.220 Identification (Repealed) Section 890.230 Safe Pan Material and Construction SUBPART C: JOINTS AND CONNECTIONS Section 890.310 Tightness Section 890.320 Types of Joints Section 890.330 Special Joints Section 890.340 Use of Joints Section 890.350 Unions Section 890.360 Water Closet and Pedestal Urinal Section 890.370 Prohibited Joints and Connections in Drainage Systems Section 890.380 Increasers and Reducers SUBPART D: TRAPS AND CLEANOUTS Section 890.410 Fixture Traps/Continuous Waste Section 890.420 Pipe Cleanouts Section 890.430 Cleanout Equivalent Section 890.440 Acid-Proof Traps SUBPART E: INTERCEPTORS - SEPARATORS AND BACKWATER VALVES Section 890.510 Grease Interceptor Requirements Section 890.520 Gasoline, Oil and Flammable Liquids Section 890.530 Special Waste Interceptors Section 890.540 Laundries (Repealed) Section 890.550 Backwater Valves – Sanitary System and Storm System (Repealed) SUBPART F: PLUMBING FIXTURES Section 890.610 General Requirements - Material and Design Section 890.620 Overflows Section 890.630 Installation Section 890.640 Prohibited Fixtures Section 890.650 Water Closets Section 890.660 Urinals Section 890.670 Strainers and Fixture Outlets Section 890.680 Lavatories Section 890.690 Shower Receptors and Compartments Section 890.700 Sinks Section 890.710 Food Waste Disposal Units Section 890.720 Drinking Fountains Section 890.730 Floor Drains/Trench Drains Section 890.740 Kidney Dialysis Machines Section 890.745 Dental Units Section 890.750 Hydromassage/Whirlpool Bathtubs Section 890.760 Pressure Type Water Treatment Units Section 890.770 Dishwashing Machines Section 890.780 Garbage Can Washers Section 890.790 Laundry Trays/Sinks and Drains Section 890.800 Special Fixtures and/or Items Designed for a Particular Purpose Section 890.810 Minimum Number of Plumbing Fixtures Section 890.820 Outside Kiosks Serving Food SUBPART G: HANGERS, ANCHORS AND SUPPORTS Section 890.910 Hangers, Anchors and Supports Section 890.920 Vertical Piping Section 890.930 Horizontal Piping SUBPART H: INDIRECT WASTE PIPING, SPECIAL WASTE Section 890.1010 Indirect Waste Piping Section 890.1020 Material and Size Section 890.1030 Length and Grade Section 890.1040 Air Gaps Section 890.1050 Receptors Section 890.1060 Special Wastes and Chemical Wastes SUBPART I: WATER SUPPLY AND DISTRIBUTION Section 890.1110 Quality of Water Supply Section 890.1120 Color Code Section 890.1130 Protection of Potable Water Section 890.1140 Special Applications and Installations Section 890.1150 Water Service Pipe Installation Section 890.1160 Potable Water Pumping and Storage Equipment Section 890.1170 Potable Water Supply Tanks and Auxiliary Pressure Tanks Section 890.1180 Flushing/Disinfection of Potable Water System Section 890.1190 Water Supply Control Valves and Meter Section 890.1200 Water Service Sizing Section 890.1210 Design of a Building Water Distribution System Section 890.1220 Hot Water Supply and Distribution Section 890.1230 Safety Devices Section 890.1240 Miscellaneous SUBPART J: DRAINAGE SYSTEM Section 890.1310 Materials Section 890.1320 Drainage System Installation Section 890.1330 Drainage Fixture Units (DFUs) Section 890.1340 Determination of Sizes for Drainage System Section 890.1350 Offsets in Drainage Piping Section 890.1360 Sanitary Wastes below Sewer Section 890.1370 Floor Drains Section 890.1380 Storm Water Drainage within a Building SUBPART K: VENTS AND VENTING Section 890.1410 Materials Section 890.1420 Stack Vents, Vent Stacks, Main Vents Section 890.1430 Vent Terminals Section 890.1440 Vent Terminal Size (Repealed) Section 890.1450 Vent Grades and Connections Section 890.1460 Fixtures Back-to-Back (Repealed) Section 890.1470 Fixture Trap Vents Section 890.1480 Types of Fixture Trap Vents Section 890.1490 Installation of Vents for Fixture Traps (Repealed) Section 890.1500 Installation of Wet Venting Section 890.1510 Stack Venting (Repealed) Section 890.1520 Circuit and Loop Venting Section 890.1530 Pneumatic Ejectors Section 890.1540 Relief Vents Section 890.1550 Offsets at an Angle Less Than 45 Degrees from the Horizontal in Buildings of Five or More Stories Section 890.1560 Main Vents to Connect at Base (Repealed) Section 890.1570 Vent Headers Section 890.1580 Size and Length of Vents Section 890.1590 Combination Waste and Vent (Floor and Hub Drains Only) Section 890.1600 Special Venting for Island Fixtures SUBPART L: PLUMBING SYSTEMS/CORRECTIONAL FACILITIES Section 890.1710 General Requirements Section 890.1720 Water Closets Section 890.1730 Urinals Section 890.1740 Combination Lavatory/Toilet Section 890.1750 Service Sinks/Lavatory Section 890.1760 Sinks Section 890.1770 Cabinet Showers Section 890.1780 Flush Valves Section 890.1790 Soap Dishes Section 890.1800 Floor Drains SUBPART M: INSPECTIONS, TESTS, MAINTENANCE AND ADMINISTRATION Section 890.1910 Inspections Section 890.1920 Testing of Plumbing Systems Section 890.1930 Test Methods Section 890.1940 General Administration Section 890.1950 Violations Section 890.APPENDIX A Plumbing Materials, Equipment, Use Restrictions and Applicable Standards Section 890.TABLE A Approved Materials and Standards Section 890.TABLE B Minimum Number of Plumbing Fixtures Section 890.TABLE C Minimum Air Gaps for Plumbing Fixtures Section 890.TABLE D Minimum Water Distribution Pipe Size Section 890.TABLE E Drainage Fixture Units (D.F.U.) Per Fixture Group Section 890.TABLE F Fixtures Not Listed in Table E Section 890.TABLE G Building Drains Section 890.TABLE H Horizontal Fixture Branches and Stacks Section 890.TABLE I Allowed Distance from Fixture Trap to Vent Section 890.TABLE J Size of Vent Stacks Section 890.TABLE K Size and Length of Vents Section 890.TABLE L Horizontal Circuit and Loop Vent Sizing Table Section 890.TABLE M Load Values Assigned to Fixtures Section 890.TABLE N Water Supply Fixture Units (WSFU) for a Supply System with Flush Tanks Water Closets Section 890.TABLE O Water Supply Fixture Units (WSFU) for a Supply System with Flushometer Water Closets Section 890.TABLE P Demand at Individual Water Outlets Section 890.TABLE Q Allowance in Equivalent Length of Pipe for Friction Loss in Valves and Fittings Section 890.APPENDIX B Illustrations for Subpart A Section 890.ILLUSTRATION A Air Gap Drawing #1 Section 890.ILLUSTRATION B Air Gap Drawing #2 Section 890.ILLUSTRATION C Battery of Fixtures Section 890.ILLUSTRATION D Branch Section 890.ILLUSTRATION E Branch Vent Section 890.ILLUSTRATION F Building Drain Section 890.ILLUSTRATION G Building Sub-Drain Section 890.ILLUSTRATION H Circuit Vent Section 890.ILLUSTRATION I Common Vent Section 890.ILLUSTRATION J Continuous Vent Section 890.ILLUSTRATION K Dead End Section 890.ILLUSTRATION L Drain Section 890.ILLUSTRATION M Fixture Drain Section 890.ILLUSTRATION N Flush Valve (Repealed) Section 890.ILLUSTRATION O Grade Section 890.ILLUSTRATION P Horizontal Branch Section 890.ILLUSTRATION Q Main Vent Section 890.ILLUSTRATION R Quarter Bend (Repealed) Section 890.ILLUSTRATION S Relief Vent Section 890.ILLUSTRATION T Return Offset (Repealed) Section 890.ILLUSTRATION U Revent Pipe Section 890.ILLUSTRATION V Stack Vent Section 890.ILLUSTRATION W Trap Section 890.ILLUSTRATION X Vent Stack (Repealed) Section 890.ILLUSTRATION Y Wet Vent Section 890.ILLUSTRATION Z Yoke Vent Section 890.ILLUSTRATION AA Sleeves Section 890.ILLUSTRATION BB Buried Piping Parallel to Footing Section 890.ILLUSTRATION CC Individual Dry Vent Section 890.APPENDIX C Illustrations for Subpart C Section 890.ILLUSTRATION A Caulked Joints Section 890.ILLUSTRATION B Flared Joints Section 890.ILLUSTRATION C Positions of Application for Compression Type Joints Section 890.APPENDIX D Illustrations for Subpart D Section 890.ILLUSTRATION A Fixture Traps Section 890.ILLUSTRATION B Distance of Trap to Fixture Section 890.ILLUSTRATION C Types of Traps Section 890.ILLUSTRATION D Trap Cleanouts Section 890.ILLUSTRATION E Prohibited Traps Section 890.ILLUSTRATION F Underground Drainage Section 890.ILLUSTRATION G Concealed Piping Section 890.ILLUSTRATION H Cleanout Clearance Section 890.APPENDIX E Illustrations for Subpart E Section 890.ILLUSTRATION A Grease Interceptor Section 890.ILLUSTRATION B Typical Grease Interceptor/Catch Basin Section 890.ILLUSTRATION C Interceptor/Separator Vents Section 890.ILLUSTRATION D Interceptors for Bottling Plants (Repealed) Section 890.ILLUSTRATION E Laundry Interceptors (Repealed) Section 890.ILLUSTRATION F Backwater Valve Location (Repealed) Section 890.APPENDIX F Illustrations for Subpart F Section 890.ILLUSTRATION A Prohibited Fixtures Section 890.ILLUSTRATION B Circular Wash Sinks Section 890.ILLUSTRATION C Commercial Type Grinder #1 (Repealed) Section 890.ILLUSTRATION D Commercial-Type Grinder Section 890.ILLUSTRATION E Protective Guard Section 890.ILLUSTRATION F Trap and Strainer Section 890.APPENDIX G Illustrations for Subpart G Section 890.ILLUSTRATION A Cast Iron Soil Pipe Support #1 Section 890.ILLUSTRATION B Cast Iron Soil Pipe Support #2 Section 890.ILLUSTRATION C Horizontal Piping Support (Repealed) Section 890.ILLUSTRATION D Cast Iron Soil Support Stack (Repealed) Section 890.APPENDIX H Illustrations for Subpart H Section 890.ILLUSTRATION A Indirect Waste Piping #1 Section 890.ILLUSTRATION B Indirect Waste Piping #2 Section 890.ILLUSTRATION C Indirect Waste Piping #3 Section 890.ILLUSTRATION D Indirect Waste Piping #4 Section 890.ILLUSTRATION E Indirect Waste Connection Section 890.ILLUSTRATION F Air Gaps Section 890.APPENDIX I Illustrations for Subpart I Section 890.ILLUSTRATION A Cross-Connection #1 Section 890.ILLUSTRATION B Cross-Connection #2 Section 890.ILLUSTRATION C Cross-Connection #3 Section 890.ILLUSTRATION D Flushometer Valve Section 890.ILLUSTRATION E Underground Water Piping #1 Section 890.ILLUSTRATION F Underground Water Piping #2 Section 890.ILLUSTRATION G Underground Water Piping #3 Section 890.ILLUSTRATION H Water Supply Control Section 890.ILLUSTRATION I Shut-Off Valve at Meter Section 890.ILLUSTRATION J Separate Controls for Each Family Unit Section 890.ILLUSTRATION K Shut-Off Valves in Buildings Other Than Dwellings Section 890.ILLUSTRATION L Typical Gas Water Heater Section 890.ILLUSTRATION M Typical Electric Water Heater Section 890.ILLUSTRATION N P & T Valve Installed in Hot Outlet Line Section 890.ILLUSTRATION O P & T Relief Valve Section 890.APPENDIX J Illustrations for Subpart J Section 890.ILLUSTRATION A Dead Ends Section 890.ILLUSTRATION B Horizontal to Vertical Change of Direction Section 890.ILLUSTRATION C Horizontal to Horizontal Change of Direction Section 890.ILLUSTRATION D Vertical to Horizontal Change of Direction Section 890.ILLUSTRATION E Fixture Connections Section 890.ILLUSTRATION F Waste Stacks Section 890.ILLUSTRATION G Offsets on Drainage Piping Section 890.ILLUSTRATION H Relief Vent Section 890.ILLUSTRATION I Above Highest Branch Section 890.ILLUSTRATION J Below Lowest Branch Section 890.ILLUSTRATION K Drainage Below Sewer Level Section 890.ILLUSTRATION L Sanitary Wastes Below Sewer (Repealed) Section 890.APPENDIX K Illustrations for Subpart K Section 890.ILLUSTRATION A Installation of Vent Stack or Main Vent Section 890.ILLUSTRATION B Vent Terminal Section 890.ILLUSTRATION C Main Vent Section 890.ILLUSTRATION D Roof Extensions Section 890.ILLUSTRATION E Location of Vent Terminal Section 890.ILLUSTRATION F Vent Grade and Vertical Rise Section 890.ILLUSTRATION G Vertical Rise Section 890.ILLUSTRATION H Height Above Fixtures Section 890.ILLUSTRATION I Heel or Side Inlet Section 890.ILLUSTRATION J Heel or Side-Inlet (Repealed) Section 890.ILLUSTRATION K Fixtures Back-to-Back and Side-by-Side (Repealed) Section 890.ILLUSTRATION L Distance from Trap to Vent Section 890.ILLUSTRATION M Trap Vent Section 890.ILLUSTRATION N Trap Weir/Hydraulic Gradient Section 890.ILLUSTRATION O Common Vent Section 890.ILLUSTRATION P Vertical Wet Vent Section 890.ILLUSTRATION Q Horizontal Wet Vent Section 890.ILLUSTRATION R Vertical/Horizontal Wet Vent Section 890.ILLUSTRATION S Single Bathroom Group Venting Section 890.ILLUSTRATION T Bathroom Group Back to Back Section 890.ILLUSTRATION U Bathroom Groups – Plan Section 890.ILLUSTRATION V Bathroom Groups – Elevation Section 890.ILLUSTRATION W One Bathroom Group – Plan Section 890.ILLUSTRATION X One Bathroom Group – Elevation (Repealed) Section 890.ILLUSTRATION Y Battery Venting Section 890.ILLUSTRATION Z Dual Branches Section 890.ILLUSTRATION AA Right and Wrong Vent Connections Section 890.ILLUSTRATION BB Fixtures Back-to-Back in Battery Section 890.ILLUSTRATION CC Fixture Connections-Offset Vents Section 890.ILLUSTRATION DD Circuit Vented Fixtures Section 890.ILLUSTRATION EE Vent Stacks Section 890.ILLUSTRATION FF Combination Waste and Vent Section 890.ILLUSTRATION GG Special Venting for Island Fixtures

AUTHORITY: Implementing and authorized by Section 35 of the Illinois Plumbing License Law [225 ILCS 320].

SOURCE: Filed August 20, 1969; amended at 7 Ill. Reg. 4245, effective March 24, 1983; emergency amendment at 7 Ill. Reg. 7328, effective May 31, 1983, for a maximum of 150 days; amended at 7 Ill. Reg. 13930, effective October 12, 1983; codified at 8 Ill. Reg. 19993; amended at 8 Ill. Reg. 24621, effective December 12, 1984; amended at 9 Ill. Reg. 13340, effective August 21, 1985; amended at 10 Ill. Reg. 7862, effective May 16, 1986; amended at 11 Ill. Reg. 9278, effective April 30, 1987; amended at 14 Ill. Reg. 1385, effective January 10, 1990; Part repealed, new Part adopted at 17 Ill. Reg. 21516, effective December 1, 1993; emergency amendment at 18 Ill. Reg. 14444, effective September 1, 1994, for a maximum of 150 days; emergency expired January 28, 1995; amended at 22 Ill. Reg. 21540, effective December 1, 1998; amended at 28 Ill. Reg. 4215, effective February 18, 2004; amended at 29 Ill. Reg. 5713, effective April 8, 2005; amended at 38 Ill. Reg. 9940, effective April 24, 2014.