SOUTHWICK, Mass. (WWLP) – In Southwick, the North, Middle and South Ponds will be treated Wednesday to control the growth of vegetation, that will force use restrictions over the next few days.

“That is to treat the two invasive that have been found in Congamond, one is the Curly-leaf Pondweed and Eurasian Watermilfoil both are water plants aquatics and they tend to grow unchecked unless you treat them.

Drinking and cooking with the water, swimming in it, or using it for livestock and irrigation are all restricted starting Wednesday. Swimming can begin again Thursday.

Watering of Livestock can resume Friday, human drinking and cooking use can resume on Sunday and irrigation should wait until next Tuesday, June 14. There are no restrictions on boating and fishing.

Twenty years ago, the lake received an extensive treatment to help get rid of the plants and now it is treated annually to keep them from making a come back. It’s important to keep the plants from coming back because they can pose a hazard to boaters and swimmers and can result in algae blooms.