The invasive Lotus plant is now covering about half of Concord’s two-acre White Park pond.
The Parks and Recreation department is looking at short-term and long-term options to manage and ultimately eradicate the plant.
Late last fall, the pond underwent a procedure to clear enough of the plants so ice could form without disruption ahead of the winter skating season. In August, and again in October, a mechanical harvester will again be used ahead of winter to manage the plant.
The city now has two options for a plan that will eradicate the plant by next year.
The first option is dredging, which is both complex and costly. Another option is hydro-raking, which uses a barge like boat to remove sediment and Lotus plant and most of the materials. The city is currently assessing costs and the effectiveness of both options. In either case, a long-term management plan will be used to keep the plant, which can lay dormant for years, from returning.
For more information on the issue visit concordnh.gov/1896/White-Park-Pond.
