Arkansas - Colorado State Parks Zebra Mussel Response_Application

• Basin Roundtable: Arkansas
• Applicant: Colorado State Parks
• Description: Colorado State Parks Zebra Mussel Response
• Account Source: Statewide
• Board Meeting Date: 3/19/2008
• Contract/PO #: 150416
• WSRA - Doc Type: Grant Application

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. Growth of Zebra and
: Quagga mussels
. . Range in 1988

. Range in 1998

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lake Mead
. Quagga mussels
HDDVERI-"e~" I discovered Jan. 06 I
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'- Fort Mojave
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Reservation

NEVADA

CALIFORNIA

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Possible traveling path
for the QuaggJ mussels

I lake Havasu
Quagga
mussels
discovered
Jan. 17

Copper River Reservoir
Mussels. believed to be Quagga
mussels. were discovered in the
Colorado River Aqueduct near the
reservoir on March 6.

Ukraine
Where the
Quagga
mussel
originated.

LCR graphic courtesy of Coachella Valley Water District and Leonard Willett

River Aqueduct which receives untreated water from the river, and
reservoirs in Arizona and northern and southern California.
To combat their spread tight restrictions have been imposed. At
one southern California lake, boat operators have been banned until a
high-powered, heated sprayer has been obtained by the marina to kill
quagga mussels attached on vessels.
At another lake, officials have banned float tubes, private motors,
anchors and live-bait containers with bait from any source other than
the lake concession.
In Nevada, water managers launched a crash program to keep the
pesky creature out of the Las Vegas city water system after it was
found at Lake Mead. But efforts to control the spread of the
diminutive water creatures have not halted its spread to Lakes
Pleasant and Powell in Arizona, as well as a Central Arizona Project
canal in Scottsdale.
These little clam-like mollusks attach themselves to any hard
surface and reproduce "like crazy," fouling water pipes and pumps,
experts say.
A full-fledged invasion "could have lasting impacts on the ecology