Invasive Mussel Survey for Mill Creek Ponds

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Invasive Mussels pose a serious threat to the health of California's waterways. Make sure to Clean, Drain and Dry to stop the spread!

1. How many times per year do you come to Mill Creek Ponds?

a. 1-10 days per year

b. 11-50 days per year

c. Over 50 days per year

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2. Which of the following have you used or been on in the past 12 months, either here or somewhere else? Please indicate all that apply.

a. Powerboat/Motorboat

b. Canoe of Kayak

c. Personal Watercraft (PWC)

d. Sailboat

e. Raft

f. Paddleboard

None

3. Overall, how would you rate your knowledge of quagga and zebra mussels and their impacts on waterways?

a. None

b. I've heard of them, but don't know exactly why they are a problem.

c. I've heard of them and know a few things about them.

d. I am very familiar with quagga and zebra mussels and how to prevent them

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4. True or False: An adult quagga or zebra mussel is typically the size of a dime or smaller

True

False

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5. True or False: “Clean, Drain and Dry” means you check your boat to ensure there are no mussels/animals, no mud or plants on your boat and no water in the bilge, bait wells, ballasts or engine before you leave the launch area after boating.

True

False

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6. Quagga and zebra mussels are highly destructive in our waterways because they can:

a. Compete with native fish and mussels and alter aquatic wildlife habitat

b. Impact recreational opportunities by encrusting docks and beaches

c. Clog water intake structures, threatening municipal water supplies, agricultural irrigation, and power plant operations

d. All of the above

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7. Out of water, quagga and zebra mussels can survive for:

a. Five days in hot California weather

b. Ten days in cool California weather

c. A week in rainy weather

d. All year around in California

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8. You should check your boat, engine and trailer for quagga and zebra mussels:

a. At the beginning of each boating season

b. When you tune up the motor

c. Each time you pull the boat out of the water

d. Before closing your boat up for winter

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9. True or False: If I can’t see any mussels on my boat or watercraft, then I can be sure they aren’t there.

True

False

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10. True or False: If you find quagga or zebra mussels on your boat or equipment you should notify County Parks staff at (707) 234-2875 or the California Department of Fish and Wildlife at (866) 440-9530.

True

False

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