Category: Uncategorized

  • Central Iowa Water Works Issues Stage II “Water Alert” Voluntary Request Effective Immediately

    Tami Madsen
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    West Des Moines, Iowa (May 27, 2026) – Today, Central Iowa Water Works (CIWW) has issued a Stage II “Water Alert,” which asks residents and businesses to voluntarily reduce outdoor water use by 50 percent. This alert is effective immediately. Issuing Stage II is in response to increased water demand, persistently high nitrate concentrations in source…

  • Central Iowa Water Works Encourages Smart Water Use as System Prepares for Summer

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    By: CIWW Staff Central Iowa Water Works (CIWW) continues to actively manage the regional drinking water supply while preparing for the high-demand summer season. The system relies on carefully managed reserves to supply safe, reliable drinking water to more than 600,000 Iowans across rural, suburban, and urban communities. Sustained elevated nitrate concentrations in the region’s…

  • Seasons of the Rivers: Part I

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    The “Seasons of the Rivers: Part I” presentation by Central Iowa Water Works is part of an educational series designed to help trustees, elected officials, and community leaders better understand how source water conditions change throughout the year—and how those changes affect drinking water treatment. Part I typically focuses on early-season conditions (late winter into spring) and covers: o   Source…

  • Hickman Road Feeder Main Project

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    Central Iowa Water Works Expands Infrastructure to Support Regional Growth Des Moines, Iowa — Central Iowa continues to experience strong growth—and Central Iowa Water Works (CIWW) is growing right along with it. As part of the Saylorville Water Treatment Plant expansion project, CIWW is installing approximately 4,700 feet of 24-inch transmission main to strengthen the…

  • Investments In Systemwide Resiliency

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    CIWW is composed of 12 communities, utilities, and rural water providers. It is a multi-jurisdictional agency that shares ownership of water treatment and production for more than 600,000 central Iowans in urban, suburban and rural counties.

  • Current And Historical Source Water Quality Data: Where To Find It

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    Fleur Drive Water Treatment Plant: Source Water Quality Resources Fleur Drive Lab: Click this hyperlink: Advanced Water Quality Data Select either Raccoon River, Des Moines River, or Fleur Treatment Plant – Gallery. Select desired parameter, date range, and submit. The selected data will appear in the chart below. USGS Monitoring Stations: Click the hyperlink next…

  • Water Source Protection Week: The Jordan Aquifer

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    💧The Jordan Aquifer is one of the three sources of water used by Central Iowa Water Works to produce water for over 600,000 people across central Iowa. 💡Source water protection relates to water quality and water quantity. ‼️The Jordan Aquifer’s water is very old, with estimates suggesting it could be up to 180,000 years old,…

  • Water Source Protection Week: Purple Martin Lake

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    ALL NEWS It’s Source Water Protection Week! September 29, 2025 🏞️It’s Source Water Protection Week! This week, we’re recognizing the critical role our rivers, lakes, and aquifers play in delivering safe, reliable drinking water.   💡Central Iowa Water Works uses three sources of water to provide drinking water to our 12 Member Agencies who collectively…

  • Water Challenges Met This Summer With Assistance From Central Iowans And Regional Communities

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    ALL NEWS Water challenges met this summer with assistance from central Iowans and regional communities 08/15/2025 By Jody Smith, Chairman, Central Iowa Water Works Board of Trustees With Central Iowa Water Works (CIWW) lifting the region’s irrigation ban, I want to thank everyone for taking the necessary steps to manage an unprecedented event. Your sacrifices…