Keep Maine Lakes
Clear and Clean
Summer Campaign

Near Real-Time Lake Data

View Current Water Quality Conditions
View Current Ice Out/In Data

View Current Water Quality Conditions on Maine Lakes

The goal of this Near Real-Time Lake Data Pilot Project is to provide volunteers and the public with a statewide perspective on current water quality conditions for several lakes that are geographically distributed throughout Maine. Lake water clarity (aka: transparency) is an important and reliable indicator of lake health. Click on the image below to view current water clarity conditions for the pilot lakes. The information is updated regularly by participating certified Lake Stewards of Maine (LSM) lake monitors. Check back frequently to see how water clarity conditions vary from lake to lake, region to region, throughout the monitoring season.


View Near Real-Time Ice Out/In Data for Maine Lakes

LSM Lake Monitors and collaborators submit ice out and ice in data on numerous lakes in Maine. The maps below shows all lakes that have reported ice out/ice in. Click on a star to see information about the lake. Send ice data for your lake to christine@lakestewardsme.org or call 207-783-7733. Include your name, the lake name, town and date of ice out/ice in.

Lake Ice-Out Map

How to use this Map: The map below shows all Maine lakes for which we have ice out data in 2018. To find out more about a specific lake, click on the star to view the information. Lake data can also be found by clicking the list icon in the upper left-hand corner of the map and choosing a lake name from the list.

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Lake Ice-In Map

How to use this Map: The map below shows all Maine lakes for which we have ice in data in 2017. To find out more about a specific lake, click on the star to view the information. Lake data can also be found by clicking the list icon in the upper left-hand corner of the map and choosing a lake name from the list. NOTE: Ice-in may happen on some lakes one or more times before the ice becomes permanent for the season, even when the ice was stable for a week or more. Please contact us if you have information about a previously iced over lake unfreezing.

Our Mission

The Mission of the Lake Stewards of Maine (LSM) is to help protect Maine lakes through widespread citizen participation in the gathering and dissemination of credible scientific information pertaining to lake health. The LSM trains, certifies and provides technical support to hundreds of volunteers who monitor a wide range of indicators of water quality, assess watershed health and function, and screen lakes for invasive aquatic plants and animals. In addition to being the primary source of lake data in the State of Maine, LSM volunteers benefit their local lakes by playing key stewardship and leadership roles in their communities.

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The LSM is a non-profit 501(c)(3) organization committed to the collection of information pertaining to lake water quality. For 40 years, trained volunteers throughout Maine have donated their time so that we may all learn more about one of Maine’s most beautiful and important resources — our lakes.