Illinois Administrative Code
Title 77 - PUBLIC HEALTH
Part 905 - PRIVATE SEWAGE DISPOSAL CODE
Appendix A - Illustrations and Exhibits
ILLUSTRATION I - Seepage Field Construction
Exhibit A - Gravel System
Universal Citation: 77 IL Admin Code ยง A
Current through Register Vol. 48, No. 12, March 22, 2024
|
Trench length, maximum length from point of discharge into seepage trench |
100 feet |
|
Trench bottom, minimum width |
8 in. |
|
Trench bottom, maximum width |
36 in. |
|
Trench bottom, minimum depth |
18 in. |
|
Trench bottom, maximum depth |
36 in. |
|
Trench bottom, slope |
level |
|
Distribution line, minimum diameter |
4 in. |
|
Distribution line, minimum earth cover |
6 in. |
|
Distribution line, maximum earth cover |
24 in. |
|
Distribution line, maximum slope |
level |
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