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The City of Ankeny's drinking water is supplied by Des Moines Water Works (DMWW) through a network of pumping stations, storage tanks and a system of water mains ranging in size from 4 to 24 inches in diameter. The distribution system is maintained and operated by City staff who also perform customer service and water meter installations.

Please visit the Des Moines Water Works (DMWW) website for more information regarding the water treatment process.

Water Meter Sizing

Please visit the Utility Billing Rate Information page for more information about meter sizing. Water meters size 1" and above can only be installed with the approval of the Water Supervisor on a case-by-case basis.

Fire Hydrant Flushing

Will Hydrant Flushing Affect Your Water?

If you are using water when the fire hydrant flushing process is occurring in your neighborhood, the water that we are scouring out of the water distribution system could be drawn into your home’s plumbing system. Although the water may be discolored, smell different and/or have a slightly different taste, it is safe to use. 

If water gets into your ice maker or laundry while we are flushing hydrants in your area, there are some simple remedies. For ice, after the water returns to normal, discard the discolored ice and the new ice will be fine. For most laundry loads, you may not even notice a change; however, white or light colored laundry may be affected. If you do observe a rust color in white or light-colored laundry, please contact Utilities Customer Service at 515-963-3565 or email: customerservice@ankenyiowa.gov. They have a product that may assist in the removal of the rust in most cases.

Why Do We Flush Fire Hydrants?

The water distribution system consists of hundreds of miles of water main and thousands of fire hydrants, and each of those hydrants need to be operated periodically to lubricate the internal mechanisms and check the overall functionality. If a deficiency is discovered during this inspection, most maintenance can be performed immediately. The end result is that the fire hydrants in your neighborhood are available for fire protection if there is ever a need.

Water chemistry can be very complex. Temperature and time can change how water reacts with the water main. Water mains are made of many different materials including cast iron, ductile iron, concrete and polyvinylchloride (PVC).  Flushing the water distribution system helps to remove sediment and deposits that may have attached to the walls of the mains or simply settled out of suspension. This is a standard procedure and the water is dechlorinated to protect the environment.