This page provides annotated links to a variety of web based resources that may be helpful in developing lake management plans, building organizational capacity, and enhancing the ecological integrity of your lake or stream.
Wikipedia actually has pretty good background information on many Minnesota lakes (see, for example, Otter Tail Lake). It might even be a good place to develop and disseminate your collaborative and evolving management plan.
Minnesota Waters: citizen protecting our lakes and rivers. An excellent partner in capacity building activities.