A fundraising letter was sent out at the end of August. The third and last of this year’s letters will go out in November. It is expected that we will reach our projected donation amount for the year.

Discussion followed as to where in 2020 we should apply for grants.

Lake Management
It was reported that phosphorus testing by Pond and Lake Connection (PLC), as approved at our September meeting, has been taking place. Water and sediment samples have been taken from five areas around the lake, including one in front of houses on Mamanasco Road and one sample by a culvert. Those ten samples are being tested for amounts of phosphorus. Additionally we will obtain data to understand if the excessive phosphorus in our lake results from internal or external loading. We should have the results for the November meeting, as well as the yearly PLC report. Understanding the phosphorus load will allow us to get a more accurate cost projection if we choose to use Phoslock throughout the lake in the future.

It was reported that we had eight algae treatments this year, seven that we paid for and one extra.

It was noted that PLC received a call from the state regarding someone dumping weeds by the boat ramp.

The state will be using an Electro fishing boat to survey for mercury at dark on Wednesday, Otober 9 for 3-4 hours.

A Committee has been working on the MLIF bylaw revisions. They were emailed to Board members in August, discussed at the September meeting and presented for approval this evening. There being no questions or comments, the revisions to the MLIF Bylaws were approved.


Connecticut Lakes Conference
A Board member attended the Connecticut Lakes Conference in September and a session on cyanobacteria. The speaker suggested that lakes do a survey regarding septic leakage and fertilizers entering the lake. Speakers noted that because of climate change there are fewer dormant periods for lakes. Formerly in our region active lake plants and algae growth took place over a six-month period; now this period has extended to 9 months for many lakes.

Speakers noted that barley straw is now being used to remove filamentous algae. Speakers spoke about especially problematic plants Hydrilla and Water Hyacinths which, fortunately, are not currently found in our lake.

Low impact sustainable development was a topic. Best practices were stressed, such as no lawns at the edge of the lake, use of rain gardens and swales, reduction of sand and salt draining into lakes. It was noted that for many years MLIF has sent a letter to the town Public Works Dept. to remind them to send the street sweeper and the vac truck along Mamanasco Road early in the spring, among the first areas to be cleaned, to reduce the amount of sand, salt and leaf residue entering the lake.


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Mamanasco Lake Improvement Fund P.O. Box 246 Ridgefield, CT06877

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