DEQ Seeks Public Comment on Colstrip Steam Electric Station Report - news.mt.gov

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DEQ Seeks Public Comment on Colstrip Steam Electric Station Report

Thursday, November 14, 2019/Categories: Department of Environmental Quality/Tags:

HELENA – The Montana Department of Environmental Quality is seeking public comment on a report about wastewater facilities at the Colstrip Steam Electric Station.

 

The report by Talen Montana, LLC, the operator at Colstrip, is required under the Administrative Order on Consent between DEQ and Talen. The order requires an investigation and remediation at the facilities related to groundwater contamination caused by leaking ash ponds. 

 

The report DEQ is seeking comment on is the “Units 1 and 2 Revised Remedy Evaluation Report, Part I.”

 

The report is split into two parts. The first part of Talen’s proposed remedy addresses existing groundwater contamination through a capture and clean water injection system in addition to capping and dewatering the Stage II Ponds. The Stage II Ponds currently receive coal combustion residual material and will be closed in accordance with shutdown of Units 1 and 2 in January 2020.

 

The second part of the report will address source control at the closed and unlined Stage I Pond and is scheduled to be submitted in spring 2020.

 

DEQ will conduct a public meeting on the report if a written request is received within 10 days of posting this notice by 10 or more people or by a group of 10 or more.

 

Copies of the reports are available at DEQ’s office at 1520 E. Sixth Ave., Helena; Talen Montana’s office, 303 N. Broadway, Suite 400, Billings; and the Bicentennial Library, 419 Willow Ave., Colstrip. The reports are also available by accessing “Documents” at: http://deq.mt.gov/DEQAdmin/mfs/ColstripSteamElectricStation

 

The public comment period starts on Nov. 14, 2019, and ends Dec. 14, 2019. Written comments must be received by 11:59 p.m. on Dec. 14, and can be sent to Sara Edinberg, Waste Management and Remediation Division, P.O. Box 200901, Helena, MT 59620-0901, or to DEQColstrip@mt.gov

 

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