Illinois Administrative Code
Title 77 - PUBLIC HEALTH
Part 905 - PRIVATE SEWAGE DISPOSAL CODE
Appendix A - Illustrations and Exhibits
ILLUSTRATION I - Seepage Field Construction
Exhibit B - Size and Spacing Gravel System
Universal Citation: 77 IL Admin Code ยง B
Current through Register Vol. 48, No. 12, March 22, 2024
Width of Trench at Bottom |
Minimum Center to Center Spacing of Distribution Lines |
Effective Absorption Area Per Lineal Foot of Trench |
Inches |
Feet |
Square Feet |
8 |
6.0 |
0.67 |
12 |
6.0 |
1.0 |
18 |
6.0 |
1.5 |
24 |
6.0 |
2.0 |
30 |
7.5 |
2.5 |
36 |
9.0 |
3.0 |
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