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Water Treatment Plant expansion project

Main viewThe Fargo Water Treatment Plant (WTP) is currently in the final design stages of an expansion to add membrane treatment technology and increase the overall WTP capacity from 30 million gallons per day (MGD) to 45 MGD. The improvements are being pursued due to water quality and quantity issues that include the following:

  • Devils Lake discharges (Sheyenne River sulfate and bromide concentrations)
  • Addition of sulfate and bromide removal technology at the WTP
  • Projected timeline for expanded capacity at the WTP
  • Proposed Red River Valley Water Supply Project (Missouri River)

The City utilizes both the Red River and Sheyenne River as redundant water supplies. The existing WTP incorporates conventional treatment processes comprised of pretreatment, two-stage lime softening, ozonation, dual media filtration and chloramination. The existing WTP began operating in 1997 to achieve compliance with pending drinking water regulations and to remove taste and odor compounds. Unfortunately, the treatment processes within the existing WTP do not remove sulfate or bromide. As such, the City is adding advanced membrane treatment technology to remove these compounds.

Project overview

The project will involve the construction of a separate 15 MGD treatment train incorporating membrane technology. The new membrane treatment train will remove sulfate and bromide from the water and position the City to handle future issues that may arise associated with water quality and quantity. The project will expand the existing WTP capacity by adding a 15 MGD parallel membrane treatment train as shown on the following diagram:

Water treatment visual  

The WTP expansion project will occur adjacent to the existing WTP located at the southwest corner of 13th Avenue South and 4th Street.

Timeline and financing

Construction on the WTP expansion project is expected to begin in late summer 2014 and extend over a three year period to complete the project. The project is being financed through City infrastructure sales tax and a grant from the North Dakota State Water Commission.

 

Renderings

Watch an animated video of the expansion.

Select images to see larger versions.

1 Top view  

2 NE corner  

3 NE corner plaza  

4 NE plaza 1  

5 NW corner  

6 West side  

7 West side 2