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April 3, 2024 - Well Assessment and Flow Testing Project - Possible Service Impact

Well Assessment and Flow Testing - April 3, 2024

The work is scheduled to commence at approximately 7:30 am and conclude by 5:00 pm on Wednesday April 3, 2024 at the locations noted below. 

The order of the testing will be determined by the testing team that morning. The impact on service will be intermittent, short-term (1-2 hours), and local to each testing area and will consist of possible intermittent low water pressure. It is our plan that customers will not experience any changes in their water service. However, due to the distribution system's design, residents in the Van Ness neighborhood are especially likely to experience intermittent low water pressure.

The testing locations are as follows:

  • Well 3: Durham St and Goodspeed Street (yellow)
  • Well 4: Durham-Dayton Highway, near the Durham Library (blue)
  • Well 5: Holland Ave and San Rafael Court (green)
Aerial map image showing three planned testing areas in areas bounded in blue, green and yellow. The map area includes all of the Durham community.

Flow testing involves monitoring the flow pattern from each well. Specialized monitoring equipment will be attached to hydrants near each well, and changes in the volume and pressure of water released will be tracked over one to two hours at each site. During the testing period customers may notice fluctuations in water pressure. The District’s water operators will be on standby to ensure adequate water pressure.

Finally, you may notice large volumes of water being discharged via fire hoses attached to hydrants. This is a normal and unavoidable part of the testing process. Property owners at the discharge areas have been notified and have given permission for this water to be discharged onto their properties.

This work is being conducted as part of the District’s ongoing Capital Improvement Plan update to ensure safe, reliable water service now and in the future. The data will be analyzed and be presented to the District Engineer and the District board in the form of a report or technical memorandum at a later date. 

We apologize for any inconvenience this testing may cause and appreciate your understanding as we work to improve our services. If you have any questions or concerns, please contact us at 530-343-1594 or

The District is using a link to Google Earth mapping to provide our customers with a better understanding of the affected service area. Please note that the mapping shown on this link will change as the project progresses. 

We apologize for the inconvenience and thank you for your patience. 

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Last Updated: 03/26/2024 

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