Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 570 - DESIGN AND MAINTENANCE CRITERIA REGARDING RUNOFF FIELD APPLICATION SYSTEMS
Subpart B - DESIGN CRITERIA
Appendix H - Recommended Distribution Manifold Designs

Universal Citation: 35 IL Admin Code ยง H
Current through Register Vol. 48, No. 38, September 20, 2024

Type1

Maximum Flow Qf (gpm)

Slope

Dimensions

Materials2

Weirs3

Diagram

1/2 Pipe

150

level

8" diam.

PVC

30° V-notch

A

225

level

10"

PVC

30° V-notch

B

Box Trough

225

level

6" x 6"

2" x 8" dimension lumber

30° V-notch

C

Aluminum Guttering

(Size with the Box Trough Criteria Above)

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