77 Ill. Adm. Code 905.APPENDIX A
A Illustrations and Exhibits
Section 905.APPENDIX AÂ Â Illustrations and Exhibits
Section 905.ILLUSTRATION F Â Â Minimum Volumes for Septic
Tanks Serving Residential Units
NUMBER
OF BEDROOMS
MINIMUM
LIQUID CAPACITY OF TANK (GALLONS)
MINIMUM
LIQUID CAPACITY OF TANK (GALLONS) WHEN GARBAGE GRINDER IS USED
2
or less
750
1125
3
1000
1500
4
1250
2000
5
1500
2200
6
1750
2600
7
2000
3000