Water Level
Water Level: Summer High
Boat Launch Remains Closed – June 13–14 Weekend
The Madison Board of Selectmen has decided to keep the public boat launch closed for the weekend of June 13–14 to help prevent boat wakes from causing damage to shorelines and waterfront property. As of 8:00 AM on Saturday, June 13, the lake level had receded approximately 4 inches from its extreme flood level and
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Lake Level Update – June 11, 7:00 PM
Following last night’s unexpected deluge of approximately 3.5 inches of rain, the lake reached record-high water levels. As of 7:00 PM on Thursday, June 11, with the dam gates fully open, the water level has receded by approximately one inch. We will continue to monitor conditions and provide updates as the lake level changes.
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Time to Renew Your Membership and Support SLAM’s Vital Work
It’s that time of year again—membership renewal season! Your support enables SLAM to continue its mission of protecting and preserving our lake. The water is up, boats are launching, and our dedicated Lake Hosts are already at work. Water testing is scheduled, the Watershed Management Plan is moving forward, and we’re actively advocating for important
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Boat Launch Stickers
Boat launch stickers are available at Madison Town Hall during open hours (Monday–Thursday, 8 AM– 4 PM). You can also use this link for mail-in instructions and a list of the information you’ll need to provide.
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Dam Boards Installed | Water Levels near Normal for Summer
The boards are in on the Silver Lake dam, and May water levels are near their normal summer range. The dam has some leaks and aging cracks, but it is not in any immediate danger. A new Dam Committee has been formed to evaluate long-term solutions, and a new Selectman has applied for a federal
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New Hampshire Lake – LakeSmart Program
If you’ve noticed LakeSmart signs around Silver Lake, they mark properties participating in the NH Lakes LakeSmart Program—a voluntary initiative that helps homeowners protect the lake through practical, science-based improvements. The program focuses on reducing runoff, limiting erosion, and maintaining healthy shorelines. A LakeSmart visit includes a free, non-regulatory evaluation of your property, along with
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NH Lakes LakeSmart
Have you seen this sign around Silver Lake? The LakeSmart program recognizes homeowners who are protecting water quality, reducing runoff, and strengthening their shoreline with simple, proven practices. Join your neighbors in helping preserve the lake—see the news article for more information.
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September 12, 2025 Surface Layer Survey
On September 12, Cliff Cabral of New England Milfoil spent 9.5 hours performing a surface survey of Silver Lake. The visibility was perfect; low wind, flat water, and a sunny day! See the news post for results!
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September 12, 2025 Surface Layer Survey Details
Here are the final results from the lake survey by Cliff Cabral of New England Milfoil – this time with a map that shows the “hot spots” that our weed watchers should be paying closer attention to: Referencing the below map: We estimate that approximately half of the Silver Lake shoreline is rocky/sandy, making it
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