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City Looking At Underground Water Storage

The city is testing the viability of using Aquifer Storage and Recovery, or ASR, for storing excess water supplies during wet or average years. ASR injects water into deep bedrock aquifers for long-term storage. The water is then available for future recovery during droughts or seasonal high-demand periods. If successful, ASR will provide additional drought resilience and sustainability to the city’s water supplies. The viability of the project will be decided sometime in 2024.  

As part of the project, two wells are being drilled just south of the Water Treatment Plant, 2350 W. 112th Ave. Drilling is expected to start the first week of January and should be complete by April 1, 2024.  

Drilling can run 24 hours a day at times. Soundwalls are in place to help mitigate the noise, but those nearby may still be able to hear the drilling.   

The city thanks you for your understanding and apologizes for any inconvenience.  

Jan. 8 Update

Drilling operations began 1/3/24 in the evening and have been ongoing 24 hours a day for the past 5 days. As of 1/8/24, drilling has reached a depth of 836 feet. With the depth goal of the first well being 1,470 feet we are just over halfway there.

DJI_0263 For more on the project, contact Water Resources Administrator Silas Adams at or 303.450.4045. 

More information on ASR from Denver Water

Denver Water ASR Information Page