Water Projects

Missoula Water has implemented a water main replacement program to reduce leakage and replace aging water mains. The projects shown here are critical to achieving that goal. In addition to water main projects, the City completes other water system infrastructure projects that keep the system working at an efficient and optimal level of service for our customers.

For more information on Missoula Water projects, please email Logan McInnis at McInnisL@ci.missoula.mt.us or call (406) 552-6766.

E. Pine Street Water Main Replacement

Description:  Construction on this project involves replacing approximately 3 blocks of 12-inch Kalamein pipe installed in Pine and Jefferson streets in 1914. The 12-inch main in E. Pine St. will be replaced with a 24-inch main, which gives Missoula Water better east-west transmission capacity in this area. 

  • Work in E. Pine St. runs from Adams St. to Madison St.
  • On Jefferson St., work will run from E. Pine St. to Spruce St.
  • This project also includes performing service line swaps on the 500 block of E. Spruce St. to eliminate a 6-inch main dating back to 1914 by connecting them to a newer main already in the street.

Project Dates:  Scheduled to begin August 10, 2020, with completion expected around the end of October. These dates are subject to change due to weather and other unforeseen circumstances.

Project Map

Detour Maps

August 11 - 17

August 18 - 25

August 26 - September 3

September 4 - September 30

Water Service Line Flushing Instructions

Project Contact:  Andy Schultz, Utility Engineer, at SchultzA@ci.missoula.mt.us or call 406-552-6758

3rd Street Water Main Replacement – COMPLETED

PROJECT UPDATE — SEPTEMBER 8, 2020

Street construction and paving work on 3rd. St. from Orange St. to just east of Ivy St. began August 10 and is anticipated to be completed the end of September to beginning of October, weather dependent. City Street Maintenance crews will remove abandoned railroad and trolley tracks, prepare the street for paving, and then apply asphalt pavement curb to curb. 

  • Work will begin at Orange St. and move west.
  • Street closures are estimated to be about one block at a time.
  • Exact closure locations and dates are not shown on detour maps as amount of time needed to remove trolley tracks is not known.
  • Please use an alternate route when possible. 

Detour Maps for Street Construction Work

Street Maintenance Contact:  Brian Hensel, Deputy Public Works Director—Streets, HenselB@ci.missoula.mt.us or 406-240-2742

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Description: Replacing 1,870 lineal feet of 6-inch Kalamein water main pipe between Orange St and Oak St that was originally installed in 1914. Missoula Water is coordinating this work with the Storm Water Utility and Street Maintenance Division to improve storm water infrastructure, install Americans with Disabilities Act (ADA) ramps, and mill and overlay the full width of 3rd St. Water services will be replaced from the water main to the curb box.

  • Work will start at Orange St. and move west. Portions of 3rd St. will be closed during construction, usually one or two blocks at a time.
  • Please see detour maps link below for detour routes and tentative construction schedule dates.
  • Streets will reopen to local traffic once water main is installed. Please drive slowly and watch for potentially rough, patched areas.
  • After main installation, crews will begin replacing services lines to individual buildings. The new service lines run from the new main to the property owner’s curb box. 
  • ADA ramp installation work may be moving forward at the same time but will not impact traffic or construction work.
  • All of 3rd St. from Orange St. to Ash St. will be repaved curb to curb once all water main and service line work is done.

Project Dates:  Scheduled to begin Monday, April 27, 2020, with completion anticipated to be in late July. These dates are subject to change due to weather and other unforeseen circumstances.

Project Map

Detour Maps

Water Service Line Flushing Instructions

Missoula Water Contact:  Eric Richards at RichardsE@ci.missoula.mt.us or call 406-529-4030

Worden Avenue Water Main Replacement – COMPLETED

Description:  Construction on this project involves replacing approximately 2,100 feet of 4- and 6-inch Kalamein pipe installed between 1914 and 1924 along Worden Ave. and Howell St. This section of water main has been identified as having a high number of leaks in recent years.

  • Work will begin at N. 1st St. and Wolf Ave. moving west to Worden Ave. and then moving north on Worden Ave. to Defoe St.
  • Project finishes up with work on Howell St. between Holmes St. and Worden Ave. and on Mitchell St. between Phillips St. and Defoe St.
  • See detour maps below for work locations and corresponding construction dates (approximate). 

Project Dates:  Scheduled to begin July 20, 2020, with completion expected in mid-September. These dates are subject to change due to weather and other unforeseen circumstances.

Project Map

Detour Maps

Water Service Line Flushing Instructions

Project Contact:  Ross Mollenhauer, Utility Project Manager, at MollenauerR@ci.missoula.mt.us or call 406-552-6764

W. Pine Street Water Main Replacement – COMPLETED

Description:  Replace approximately 800 feet of 6-inch Kalamein water main pipe in W. Pine from just east of the railroad tracks to McCormick St. This water main was originally installed in 1914 and has been identified as leaking. 

  • Work will start at the west end of the project at the railroad tracks and move to the east.
  • Portions of W. Pine St. will be closed during construction, usually one block at a time.
  • Please see detour maps link below for detour routes and tentative construction schedule dates.
  • Once the project reaches McCormick St. around July 17, the north entrance to Providence St. Patrick Hospital on McCormick St. will be closed during construction, but the south entrance on McCormick St. will remain open for access to the parking garage. The Spruce St. entrance will remain open throughout construction.

Project Dates:  Scheduled to begin Monday, June 1, 2020, with completion anticipated to be the end of July. These dates are subject to change due to weather and other unforeseen circumstances.

Project Map

Detour Maps

Water Service Line Flushing Instructions

Project Contact:  Andy Schultz, Utility Engineer, at SchultzA@ci.missoula.mt.us or call 406-552-6758