Montana DEQ to Hold Informational Meeting on Colstrip Ash Ponds -

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Montana DEQ to Hold Informational Meeting on Colstrip Ash Ponds

Monday, October 26, 2015/Categories: Department of Environmental Quality/Tags:

HELENA — The Montana Department of Environmental Quality will hold a public informational meeting on the ongoing investigation and remediation of groundwater affected by the coal ash ponds at the Colstrip coal-fired power plants.

The meeting is at 7:00 p.m. on Wednesday, November 4, 2015, at the City Council Chamber in the Colstrip City Hall, located at 12 Cherry Street in Colstrip.

Water seeping out of the ponds has impacted ground water with boron, chloride, and sulfate, as well as other constituents. In August 2012, DEQ and PPL Montana, subsequently renamed Talen Energy, entered into an Administrative Order on Consent to address the ponds’ seepage. Talen uses an extensive well network to monitor the impacts and to capture and return impacted water to the ponds.

At the public meeting, DEQ will provide information about the status of the Administrative Order on Consent process. A representative from Talen will provide information about operational changes required by a new federal coal combustion residuals rule.  DEQ and Talen will answer questions regarding the presentations; however, this is not a formal public hearing.

For more information and to view documents associated with this project, please visit the DEQ website: Remediation Manager Aimee Reynolds may be contacted at 406-444-6435 or by email at:


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