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Lewis & Clark Regional Water System Base and Expansion

Sector: Water Supply and Storage • Location: Sioux Falls, South Dakota, United States

Source: South Dakota News Watch

Project
Under Construction

A massive South Dakota-based water system providing water to much of the state's southeastern quadrant and parts of Iowa and Minnesota. The $711 million base system serves 20 communities including Sioux Falls with 44 million gallons per day. An expansion to 60 million gallons per day is underway, with a second expansion to 155 million gallons per day planned, with costs in the billions.

Status
Under Construction
Sector
Water Supply and Storage, Government
Location
Sioux Falls, South Dakota, United States of America
Updated
22 Jul 2026
Source
South Dakota News Watch

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Project Information

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The project “Lewis & Clark Regional Water System Base and Expansion” is an infrastructure initiative in the Water Supply and Storage sector, located in Sioux Falls, South Dakota, United States. Taiyo aggregates data on it from South Dakota News Watch.

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

A massive South Dakota-based water system providing water to much of the state's southeastern quadrant and parts of Iowa and Minnesota. The $711 million base system serves 20 communities including Sioux Falls with 44 million gallons per day. An expansion to 60 million gallons per day is underway, with a second expansion to 155 million gallons per day planned, with costs in the billions.

Original sector

Water Supply

Budget

Location

Country

United States of America (USA)

State

South Dakota

City

Sioux Falls

Source

Source

South Dakota News Watch

URL

More Details

Record type

Project

Sector

Water Supply and Storage, Government

Article published date

2026-05-07

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