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Is the Dale Maffitt Reservoir used as a water supply?
Dale Maffitt Reservoir was constructed in the 1940’s and is a 200-acre man-made water storage reservoir located southwest of Des Moines. While the lake is open for recreation, the Maffitt Reservoir is owned…
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What is the Nitrate Removal Facility?
The Nitrate Removal Facility is an important part of Central Iowa Water Works (CIWW)’s regional drinking water system. Located at the Fleur Drive Water Treatment Plant, the facility…
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Why doesn’t CIWW rely solely on the Jordan Aquifer for drinking water?
The Jordan Aquifer is an important source of water for central Iowa, and CIWW already uses it as part of our water supply. However,…
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What is an Aquifer Storage and Recovery Well (ASR)?
Aquifer Storage and Recovery (ASR) wells improve reliability and flexibility for Central Iowa Water Works and more than 600,000 people it serves. These wells…
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Why has CIWW implemented a lawn watering ban?
This year, Central Iowa is experiencing unusually high nitrate concentrations in all three primary sources of water used to produce drinking water at the…
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Central Iowa Water Works Issues Stage 3 “Water Warning” Lawn Watering Ban Effective Immediately
Mandatory Lawn Watering Ban Effective Immediately West Des Moines, Iowa (June 8, 2026) – The Central Iowa Water Works (CIWW) Board of Trustees has initiated Stage 3 of its Water Use Plan,implementing a…
