logo

St. Mary Diversion Dam Replacement Project

Sector: Hydro • Location: Babb, Montana, United States

Source: Western Ag Network

Project
Under Construction

The project involves restoring and modernizing the St. Mary Project infrastructure, including the replacement of the St. Mary siphon and Halls Coulee Siphon, and the broader diversion dam replacement near Babb, Montana. The work aims to improve operations, enhance reliability, and provide fish passage and protection measures for bull trout in compliance with the Endangered Species Act.

Status
Under Construction
Sector
Hydro, Water Supply and Storage
Location
Babb, Montana, United States of America
Updated
22 Jul 2026
Source
Western Ag Network

ConstructChat

Ask ConstructChat about St. Mary Diversion Dam Replacement Project

Pick a question to edit it, or write your own.

First answer free · no account

I am a

Project Information FAQ

Project Information

3 Q
The project “St. Mary Diversion Dam Replacement Project” is an infrastructure initiative in the Hydro sector, located in Babb, Montana, United States. Taiyo aggregates data on it from Western Ag Network.

Participants

Not available for this record.

Status

Original status

under construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The project involves restoring and modernizing the St. Mary Project infrastructure, including the replacement of the St. Mary siphon and Halls Coulee Siphon, and the broader diversion dam replacement near Babb, Montana. The work aims to improve operations, enhance reliability, and provide fish passage and protection measures for bull trout in compliance with the Endangered Species Act.

Original sector

Water Management

Location

Country

United States of America (USA)

State

Montana

City

Babb

Source

Source

Western Ag Network

URL

More Details

Record type

Project

Sector

Hydro, Water Supply and Storage

Article published date

2026-04-12

More on this project

Research

Free account

View all details

You are reading the public part. A free account opens the rest:

  • Every detail on this project
  • News and media coverage
  • Technical research
View all details

Free account · no card · lands you back on this project