ADMINISTRATIVE CODE

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  4. PART 890 ILLINOIS PLUMBING CODE
TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER r: WATER AND SEWAGE
PART 890 ILLINOIS PLUMBING CODE
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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Section 890.220 Identification (Repealed)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Section 890.540 Laundries (Repealed)
Section 890.550 Backwater Valves – Sanitary System and Storm System (Repealed)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.