Water Main Flushing

Water main flushing is the process of cleaning or “scouring” the interior of water distribution main pipes by sending a rapid flow of water through the main pipes. Since ACWWA is in part a groundwater system, the benefit of flushing helps rid the distribution pipes of excess Iron and Manganese that settles in the pipes throughout the year. Other benefits include identifying missing or broken valves; ensuring that fire hydrants are operational; dislodging and removing sediments and deposit build-up; and reducing taste and odor problems. 

If after flushing, your water is discolored, try running only the cold water at one faucet for about 5 minutes and you should see that the
water becomes clear. (Note that running the hot water, rather than cold water, pulls from the hot water heater and may delay or
cause the water to not run clear.) If the water doesn’t clear up after 5 minutes, wait for a few hours and try running the cold water
only again. If the water is still discolored, please contact us so we can investigate why the water continues to have discoloration.
Even if you live in an apartment or don’t pay your water bill directly, it’s important to let us know.

Occasionally, weather may delay / hinder the flushing process and emergencies may arise where ACWWA’s staff is called away from
flushing for a day or two. Please call the office at 303-790-4830 or check ACWWA’s web page for updates. 

For the 2024 schedule, click on the link below: