Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA
Subpart M - STORAGE
Section 604.1305 - Overflow
Universal Citation: 35 IL Admin Code ยง 604.1305
Current through Register Vol. 48, No. 38, September 20, 2024
a) All water storage structures must be provided with an overflow that is brought down to an elevation between 12 and 24 inches above the ground surface and that discharges over a drainage inlet structure or a splash plate.
b) No overflow may be connected directly to a sewer or a storm drain.
c) All overflow pipes must be located so that any discharge is visible.
d) Overflow for a ground level storage reservoir must meet the following requirements:
1) open downward and be screened with 24 mesh
non-corrodible screen; and
2) when
a flapper or duckbill valve is used, a screen must be provided inside the
pipe.
e) Overflow for an elevated tank must:
1) open downward and be
screened with a 4 mesh, non-corrodible screen or mechanical device;
and
2) when a flapper or duckbill
valve is used, a screen must be provided inside the pipe.
f) The overflow pipe must be of sufficient diameter to permit waste of water in excess of the filling rate.
Disclaimer: These regulations may not be the most recent version. Illinois may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google
Privacy Policy and
Terms of Service apply.
