Texas Parks & Wildlife Magazine   




No More Zebra Mussels in Lake Waco

Invasive zebra mussels have been successfully eradicated from Lake Waco, preventing property damage, protecting water supply infrastructure and avoiding harm to the aquatic ecosystem. 

Eradication was made possible only by very early detection and a multi-agency rapid response effort. Zebra mussels were discovered at a localized area of the lake in late 2014; partner agencies worked together to install nearly an acre of plastic sheeting over the shoreline and lake bottom in the affected area, weighted down with sandbags. This method blocks oxygen to the mussels and impedes their reproduction. After five months, the plastic was removed to reveal success.

Since then, TPWD and the City of Waco have continued to monitor the lake intensively. The results confirm that Lake Waco will now be downgraded to “undetected/negative” status.

Boaters can take three simple steps and help stop the spread of zebra mussels: Clean, drain and dry your boat when leaving any body of water.

 Sonja Sommerfeld | TPWD

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