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The original item was published from 8/4/2020 1:12:05 PM to 8/4/2020 1:47:00 PM.

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Posted on: August 4, 2020

[ARCHIVED] Fire Hydrant Flushing Program

fire hydrant reg

Lombard Public Works will begin its annual hydrant flushing program on Monday, August 10, 2020.  Normal flushing hours will be from 3:30 p.m. – 8:00 p.m., Monday through Thursday, and occasional overnight hours to not disrupt traffic and will take approximately six weeks to complete.

Hydrants are flushed to remove the natural buildup of minerals and sediment that accumulate in water mains. Each hydrant is thoroughly inspected and operated to ensure proper operation in the event of an emergency and to identify any hydrants that require repair or replacement. Flow readings are also taken to evaluate system capability to provide sufficient water supply for consumption and fire suppression.

Village crews will be opening hydrants and flowing water through diffusers to control the flow of water. Residents may experience a temporary drop in water pressure, a reddish color in water caused by iron deposits, and/or cloudy or “milky” water caused by undissolved oxygen that dissipates within a few minutes. These conditions do not affect the quality or safety of the water

For discolored or cloudy water, shut off the water and wait several minutes, then run the cold water for up to a few minutes until clear. Residents should avoid doing laundry during hydrant flushing in your area as rusty water may stain clothes. Run the water in your laundry sink before doing a load of laundry to ensure the water is clear. 

If you experience low water pressure or flow, check faucet aerator screens for sediment.  Routine flushing each morning for a few minutes is also a good practice for older buildings with lead service lines.

The traveling public is reminded not to drive or attempt to walk through water flowing from the hydrants as the force of water may cause damage or injury. Hydrants will be manned at all times while the hydrant is being flushed. Please keep children away from open hydrants and playing in the water.

For more information on the Village’s hydrant flushing program, please visit or contact the Public Works Department at (630) 620-5740 or at

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