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NEPA Notices

Blue-green algae update

Published Aug. 26, 2011

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TULSA – In order to provide members of the public the latest information available so that so that they are able to make informed decisions, the U.S. Army Corps of Engineers, Tulsa District, has once again updated the blue-green algae matrix. (The latest version is incorporated in this document.) The Treasure Island portion of Lake Texoma west to the mouth of the Red River including Buncombe Creek and Big Mineral Arms is now under a WARNING and water contact is prohibited. Corps’ recreation areas included in the WARNING area include Caney Creek, Buncombe Creek, and Juniper Point. The parks are still open to camping, however, at the WARNING level, harmful algae have been found to be present, and the water is considered unsafe for people and pets Also, Lake Texoma is now under lake-wide blue - green algae ADIVSORY. At the ADVISORY level, water contact is discouraged and water may be unsafe for people and pets.

Blue-green algae are naturally present in Tulsa District lakes at low concentrations, however, during hot and dry conditions, nuisance blue-green algae blooms can occur and these blooms can create unwanted risks associated with swimming and wading at recreational areas. A blue-green algae bloom can occur in any lake at any time if the conditions are right.

The Corps of Engineers will post updates on our website, www.swt.usace.army.mil, and our Facebook page, http://www.facebook.com/usacetulsa.

The attached matrix provides current levels of postings for blue-algae at Tulsa District lakes.

Note: Updates (as of August 26, 2011) are in blue.

Sign Lake Area Posting Remarks

CLOSED	Skiatook	Twin Points Swim Beach	Closed	Beach closed. Contact with water prohibited.
	Eufaula	Porum Landing Swim Beach	Closed	Beach closed. Contact with water prohibited.
	Keystone	Old Mannford Old Hwy 51	Closed	Contact with water prohibited.
	Waurika	Chisholm Trail Swim Beach Kiowa Swim Beach	Closed	Contact with water prohibited.
	Eufaula	Porum Landing	Harmful algae present Unsafe for people and pets	Recreation area open, but do not go in the water. Contact with water prohibited.
	Keystone	Feyodi Park Appalachia Bay	Harmful algae present Unsafe for people and pets	Considered to have adverse health effects. Due to test result levels, contact with water prohibited.
	Tenkiller	Burnt Cabin Petit Bay	Harmful algae present Unsafe for people and pets	Considered to have adverse health effects. Due to test result levels, contact with water prohibited.
	Fort Gibson	Rocky Point Swim Beach	Harmful algae present Unsafe for people and pets	Considered to have adverse health effects. Due to test result levels, contact with water prohibited.
	Waurika	All areas not under closure	Harmful algae present Unsafe for people and pets	Considered to have adverse health effects. Due to test result levels, contact with water prohibited.
	Lake Texoma	Treasure Island west to the mouth of the Red River including Buncombe Creek and Big Mineral Arms	Harmful algae present Unsafe for people and pets	Considered to have adverse health effects. Due to test result levels, contact with water prohibited.
	Fort Gibson	All areas not in a warning	Harmful algae present May be unsafe for people and pets	Swimming, water skiing and water contact is discouraged. If bloom is observed, avoid and report sighting.
	Eufaula	All areas not in a warning or closure	Harmful algae present May be unsafe for people and pets	Swimming, water skiing and water contact is discouraged. If bloom is observed, avoid and report sightings.
	Keystone	All areas not in a warning or closure	Harmful algae present May be unsafe for people and pets	Swimming, water skiing and water contact is discouraged. If bloom is observed, avoid and report sightings.
	Skiatook	All areas not in a warning or closure	Harmful algae present May be unsafe for people and pets	Swimming, water skiing and water contact is discouraged. If bloom is observed, avoid and report sightings.
	Tenkiller	All areas not in a warning	Harmful algae present May be unsafe for people and pets	Swimming, water skiing and water contact is discouraged. If bloom is observed, avoid and report sightings.
	Lake Texoma	All areas not in a warning or closure	Harmful algae present May be unsafe for people and pets	Swimming, water skiing and water contact is discouraged. If bloom is observed, avoid and report sightings.

Release no. 11-067

Blue-green algae

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