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Treatment of downstate public ponds for the aquatic weed hydrilla

 

DOVER, DELAWARE--With inland water temperatures rising and aquatic plants emerging, DNREC’s Division of Fish and Wildlife is treating downstate public ponds for the nuisance aquatic weed hydrilla. Uncontrolled hydrilla can choke the water, crowding out beneficial plant species and preventing fishing and boating access. Ponds being treated this year are Griffiths Pond near Milford, Concord Pond near Seaford, and Wagamons Pond in Milton. Signs are posted at the boat ramp of each pond on the day of treatment.

Sonar, registered and approved by the U.S. Environmental Protection Agency, is an aquatic herbicide containing fluridone. It is used to treat Hydrilla, a non-native, invasive plant that likely entered the state through the aquarium trade. Sonar has been used in Delaware since the 1980s, and has proven to be environmentally-compatible and effective for controlling hydrilla. Sonar does not pose a threat to wildlife, including fish, nor are there any restrictions placed on fishing or consumption of fish as a result of these treatments.

The only special restriction is to not use water from the treated ponds for irrigation for 30 days from the date of treatment. Residents and farmers along and directly downstream of treated ponds should not use the water to irrigate their gardens, yards, or agricultural lands during that period to avoid possible damage to their plantings, and landowners with permits to use water from these ponds will be have been directly notified before treatment.

To prevent the spread of hydrilla and other invasive aquatic vegetation, anglers and boaters are encouraged to remove all hydrilla and other aquatic plants from their boats, trailers, and gear before leaving the boat ramp area.

For additional information, contact the DNREC Division of Fish and Wildlife Fisheries section at 302-739-9914. 

About DNREC

The Delaware Department of Natural Resources and Environmental Control protects and manages the state’s natural resources, protects public health, provides outdoor recreational opportunities, and educates Delawareans about the environment. The Division of Fish and Wildlife conserves and manages Delaware’s fish and wildlife and their habitats, and provides fishing, hunting, wildlife viewing and boating access on nearly 65,000 acres of public land. For more information, visit the website and connect with DNREC on Facebook, Twitter or LinkedIn.

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