Ill. Admin. Code tit. 77, pt. 860, subpt. E, tbl. C

Current through Register Vol. 49, No. 2, January 10, 2025

Table C - Minimum Size and Slope of Sewer Mains

Inside
Number of Sites	(Inches)	Minimum Slope
1-125	6	0.75 %
more than 125	8	0.40 %

Ill. Admin. Code tit. 77, pt. 860, subpt. E, tbl. C