Ill. Admin. Code tit. 35, § 604.1450 – Surface Water Crossings | Midpage
§ 604.1450
Ill. Admin. Code tit. 35, § 604.1450
Surface Water Crossings
AUTHORITY: Implementing Section 17 and authorized by Section 27 of the Illinois Environmental Protection Act [415 ILCS 5/17 and 27].POLLUTION CONTROL BOARD
a) For above‑water crossings, the pipe must be adequately supported and anchored, protected from damage and freezing, and accessible for repair or replacement.
b) Underwater Crossings
1) A minimum cover of five feet must be provided over the pipe.
2) When crossing water courses that are greater than 15 feet in width, the following apply:
A) the pipe must be of special construction, having flexible, restrained or welded watertight joints;
B) valves must be provided at both ends of water crossings so that the section can be isolated for testing or repair;
C) the valves must be easily accessible and not subject to flooding; and
D) permanent taps or other provisions to allow insertion of a small meter to determine leakage and obtain water samples must be made on each side of the valve closest to the supply source.