Colstrip Steam Electric Station, Colstrip, MT
Proposed Administrative Order on Consent-Comment period ended April 12, 2010. To view response to comments click the link below:
Colstrip AOC Response to Comments
On February 24, 2010, the Department of Environmental Quality (DEQ) conducted a public meeting to explain and take public comment on a proposed Administrative Order on Consent regarding impacts related to the main plant and waste water facilities at the Colstrip Steam Electric Station, otherwise known as Colstrip Generating Units 1-4, operated by PPL Montana, LLC, at Colstrip, Montana. The purpose of the proposed Administrative Order on Consent is to require remediation of seepage of waste water into groundwater and soil at and downgradient of 1) the main plant site; 2) the Units 1 & 2 Stage I and II evaporation ponds northwest of the main plant site; 3) the Units 3 & 4 effluent holding ponds southeast of the main plant site; and 4) downgradient of past pipeline spills and other mutually agreed upon miscellaneous areas. The proposed AOC provides a mandatory procedure for the investigation and remediation of releases from the Colstrip facilities.
Copies of the proposed Administrative Order are available at DEQ’s office at 1520 E. 6th Ave., Helena, Montana; PPL Montana’s office at 303 N. Broadway, Suite 400, in Billings, Montana; the Bicentennial Library, 419 Willow Ave., Colstrip, Montana; or electronically at the link above.
Background Material:
- Certificate of Environmental Compatibility and Public Need
- Board of Environmental Health and Environmental Science Findings
- 1983 Olson Decision
- 12d Stipulation
- Colstrip Well Monitoring Sites as of 2008
