Welcome!

Welcome to the website of the Northwood Lake Watershed Association. Through our website, we seek to keep members, non-members and all those who care about Northwood Lake and its watershed informed and involved in maintaining and enhancing the health and beauty of this precious waterbody.


Save the Date: NLWA Annual Meeting Set for July 15, 2017
The NLWA Annual meeting will be held on Saturday, July 15th at 9am in the Northwood Town Hall (818 1st New Hampshire Turnpike in Northwood). In addition to elections and other NLWA business, our guest speaker will be Marc Bellaud, President of Solitude Lake Management. Solitude is the company that NLWA has contracted with to perform herbicide treatment. Marc will explain and discuss the use of herbicides to combat variable milfoil as well as a range of strategies specific to Northwood Lake. The meeting is open to members and non-members alike. Hope to see you there.
Kevin Ash
President, NLWA


2017 Plan for NLWA's Efforts
Below is a brief description of the NLWA's plans for herbicide treatment and DASH diving efforts to be performed this upcoming season:

Herbicide Treatment
Herbicide 2,4-d to be applied to approximately 29 acres on Tuesday June 27th 2017. All restrictions have now been lifted.

DASH/Diver Harvesting
Harvesting of invasive variable milfoil for a planned 25 days beginning in July and continuing through the season. Please be look out for the dive boats and give them a wide berth.

Lake Host Prevention Program
The Lake Host™ Program is a courtesy boat inspection program administered by NH LAKES in cooperation with the NLWA to prevent the introduction and spread of aquatic invasive species, plants and animals, from waterbody to waterbody. Infestations of invasive species such as variable milfoil in our waterbodies are undesirable because: they make recreation in and on the water dangerous and unpleasant; they disrupt the ecological balance of waterbodies; they reduce shoreline property values; and they are difficult and expensive to control. Trained Lake Hosts staff our boat ramp to:
-Educate boaters about aquatic invasive species
-Conduct a brief boater survey to help us better understand boating traffic on the lake as well as boater's habits
-Teach boaters how to prevent the spread of aquatic invasive species
-Conduct courtesy boat and trailer inspections to remove all hitchhiking aquatic invasive species
-Remind boaters to always open/remove drain plugs before trailering from the ramp
-Send suspicious species fragments to the New Hampshire DES for identification

Please contact the NLWA if you can serve as a volunteer Lake Host. Just a few hours a week will make all the difference.


Facts You Should Know About the NLWA:
The Northwood Lake Watershed Association (NLWA) is a 501(c)(3) non-profit New Hampshire corporation. Our elected officers, directors and members come from all three towns that have a shoreline on Northwood Lake: Northwood, Deerfield, and Epsom. The purpose of The Northwood Lake Watershed Association is to preserve and protect the quality of Northwood Lake and its surroundings. Variable milfoil first appeared in Northwood Lake in 1990. In 1992, the NLWA was formed to deal with the milfoil problem and we have had considerable success in containing and even reducing the presence of milfoil in affected areas. Our activities include the monitoring, treatment and control of milfoil. Our mission is entirely one of protection and conservation. We have been working closely with the Boards of Selectmen in Northwood, Deerfield and Epsom as well as residents and local businesses to secure much-needed, ongoing economic support... an effort that has been largely successful.

NLWA’s efforts are focused on three methods of treatment and containment:

Herbicide Treatment: 2,4-D – trade names Aqua Kleen and Navigate. 2,4-D is generally applied to the aquatic environment after being mixed with clay and formulated into pellets. Once on the waterbody bottom, the herbicide is slowly released over time and is absorbed by the roots and leaves of the plants causing abnormal growth responses. This usually kills the plants within two weeks.

DASH (Diver Assisted Suction Harvesting): is a very productive and effective method of removal. When suction harvesting, a diver physically removes (hand pulls) the targeted plant, being careful to remove the entire root system and minimize fragmentation. They then place the plant into a suction hose that takes the plant to the surface. We are not dredging the lake bottom, but simply hand pulling the target plants and using suction to get them to the surface.


Make Sure You Are In Touch With The NLWA
We are looking forward to making extensive use of our membership email list in order to stay in touch and keep everyone up to date as to what's going on with the NLWA. If you are not receiving email from the association, or have changed your email address, please click here to email us so that we can keep our list as complete and current as possible. We want to keep everyone in the loop!


The NLWA Would Like To Thank Our Corporate Sponsors For Their Support:
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