Talen Montana funds long-term Colstrip water monitoring

Pacific Northwest National Laboratory performs ongoing hydrological and water-quality monitoring in the Cow and Pony Creek drainages under a contract with Talen Montana, LLC to assess potential impacts from the Colstrip Units 3 and 4 effluent holding pond. The engagement, in place since 1984, supports regulatory obligations under Stipulation 12(d) but no specific dollar amount or term is stated in the report.

Scope & details

The full contract record, as filed.

Contract type

OTHER

Renewal

Monitoring work under the contract with Talen Montana has been conducted since 1984 and is described as ongoing; specific renewal cycles are not detailed in the report.

Document type

Report

Source document

Pacific Northwest National Laboratory 2022 Hydrological/Water Quality Study Report

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Montana Board of Land Commissioners Minutes 2026-08-17

APPROVED

Montana Secretary of State|Board of Land Commissioners, MontanaAug 17, 2026

Montana Board of Land Commissioners AgendaPacket 2026-08-17

APPROVED

Montana Secretary of State|Board of Land Commissioners, Montana$4,000,000.00Aug 17, 2026

Pacific Northwest National Laboratory 2023 Hydrological/Water Quality Study Report

ONGOING

Montana Department of Environmental Quality, MontanaMay 1, 2024

Pacific Northwest National Laboratory Report 2021 Hydrological/Water Quality Study May 2022

ONGOING

Montana Department of Environmental Quality, MontanaMay 1, 2022

DEQ Units 1&2 Evaporation Ponds Remedy Evaluation Report Sept 2020

APPROVED

Montana Department of Environmental Quality, Montana$285,438,000.00 (financial assurance with 3% discount rate); $339,566,484.28 (without discount rate); Talen’s internal estimate $191,054,000.00Sep 18, 2020

Frequently asked questions

Common questions about this contract, answered from the record.

Who was awarded the government contract by Montana Department of Environmental Quality?

Talen Montana Llc was awarded this government contract by Montana Department of Environmental Quality, as recorded on May 1, 2023.

What type of contract is this?

This is a government contract, documented as a report record.

Where was this contract approved?

This contract appears in Pacific Northwest National Laboratory 2022 Hydrological/Water Quality Study Report (Report), dated May 1, 2023 from Montana Department of Environmental Quality. Civic IQ extracts contract records directly from agency meeting documents and solicitations.

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Talen Montana funds long-term Colstrip water monitoring

Scope & details

Related contracts

Frequently asked questions

Who was awarded the government contract by Montana Department of Environmental Quality?

What type of contract is this?

Where was this contract approved?

What other contracts does Talen Montana Llc hold?

What is Montana Department of Environmental Quality currently buying?

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