What is the latest status of the project “Taum Sauk Upper Reservoir”?

The status recorded for “Taum Sauk Upper Reservoir” is completed.

Where can I verify the source and access all details for “Taum Sauk Upper Reservoir”?

This Taiyo project page references Sierra Club along with the original URL (https://www.sierraclub.org/missouri/blog/2013/06/causes-taum-sauk-reservoir-breach). Taiyo standardizes official data into a consistent, searchable project profile.

Taum Sauk Upper Reservoir

Sector: Water Supply and Storage • Location: Lesterville, Missouri, United States

Source: Sierra Club

Project

Completed

The Taum Sauk Upper Reservoir, a pumped-storage hydroelectric plant, experienced a catastrophic breach on December 14, 2005, releasing 1.5 billion gallons of water and causing significant damage to Johnson’s Shut-Ins State Park. The incident prompted an independent assessment to determine the technical causes of the failure and to review other similar projects.

Status: Closed
Sector: Water Supply and Storage
Location: Lesterville, Missouri, United States of America
Updated: 22 Jul 2026
Source: Sierra Club

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Project Information

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The project “Taum Sauk Upper Reservoir” is an infrastructure initiative in the Water Supply and Storage sector, located in Lesterville, Missouri, United States. Taiyo aggregates data on it from Sierra Club.

Participants

Not available for this record.

Status

Original status	completed
Taiyo status	Closed
Taiyo last update	2026-07-22

Contact

Not available for this record.

Description

Description	The Taum Sauk Upper Reservoir, a pumped-storage hydroelectric plant, experienced a catastrophic breach on December 14, 2005, releasing 1.5 billion gallons of water and causing significant damage to Johnson’s Shut-Ins State Park. The incident prompted an independent assessment to determine the technical causes of the failure and to review other similar projects.
Original sector	Energy

Location

Country	United States of America (USA)
State	Missouri
City	Lesterville

Source

Source	Sierra Club
URL

More Details

Record type	Project
Sector	Water Supply and Storage
Article published date	2025-03-20

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Taum Sauk Upper Reservoir

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