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RECORD NUMBER: 580 OF 845

OLS Field Name OLS Field Data
Main Title Round 7 Dam Assessment. Allete, Inc.-Laskin Energy Center Cells A-D and Cell E Impoundments. Final Report.
CORP Author GZA GeoEnvironmental, Inc., Newton, MA.; Environmental Protection Agency, Washington, DC.
Year Published 2011
Report Number GZA-01-0170142-20
Stock Number PB2013-101371
Additional Subjects Dams ; Assessments ; Surface impoundments ; Dam safety ; Embankments ; Hazard classification ; Hydrology ; Streams ; US EPA ; Visual inspection ; Allete Incorporated Laskin Energy Center (LEC) ; Hoyts Lake(Minnesota)
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NTIS  PB2013-101371 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 04/24/2013
Collation 110p
Abstract This Phase I Inspection/Evaluation Report presents the results of a visual dam inspection of the Allete, Inc. Laskin Energy Center (LEC) Cells A-D and Cell E Impoundments located at 5699 Colby Lake Road in Hoyts Lake, Minnesota. The inspection was performed on September 23 and 24, 2010 by representatives of GZA GeoEnvironmental, Inc (GZA), accompanied by representatives of LEC. The Cells A-D Impoundment, in its current configuration, has a maximum crest height of approximately 32 feet above the natural ground surface but a typical height of about 6 feet. The impoundment has a maximum storage volume of approximately 970 acre-feet at the minimum embankment elevation of approximately 1,450 feet MSL. Under U.S. Army Corps of Engineers (COE) guidelines, the impoundment is classified a Small size structure. The Hazard Potential Classification for the Cells A-D Impoundment is Less-Than-Low under the EPA hazard rating criteria due to the limited potential for failure and limited are of potential impact.
Supplementary Notes Sponsored by Environmental Protection Agency, Washington, DC.
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PUB Date Free Form Jun 2011
Category Codes 50B; 48G
NTIS Prices PC A07
Document Type NT
Cataloging Source NTIS/MT
Control Number 102200940
Origin NTIS
Type CAT