Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 604 - DESIGN, OPERATION, AND MAINTENANCE CRITERIA
Subpart N - DISTRIBUTION
Section 604.1425 - Hydrants
Universal Citation: 35 IL Admin Code ยง 604.1425
Current through Register Vol. 48, No. 38, September 20, 2024
a) Only water mains designed to carry fire flows may have fire hydrants connected to them.
1) The fire hydrant lead must be a minimum of
six inches in diameter.
2)
Auxiliary valves must be installed on all fire hydrant leads.
b) Unless otherwise approved by the Agency under Section 604.145(b), water mains not designed to carry fire flows must have flushing hydrants.
1)
Flushing hydrants must be sized to provide flows that will give a velocity of
at least 2.5 feet per second in the water main being flushed.
2) No flushing device may be directly
connected to any sewer.
c) Each community water supply must develop and maintain a systematic flushing program.
d) Hydrant Drainage
1) When hydrant drains are plugged, the
barrels must be pumped dry after use during freezing weather.
2) When hydrant drains are not plugged, a
gravel pocket or dry well must be provided unless the natural soils will
provide adequate drainage.
3)
Hydrant drains must not be connected to or located within 10 feet of sanitary
sewers, storm sewers, or storm drains.
4) Hydrant drains must be above the seasonal
groundwater table.
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.
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