Property owners on the water or near wetlands have a special responsibility to protect the ecosystem. On this page you will find valuable resources like this brochure and this tutorial on eutrophication, and this guide from Candlewood Lake, and the infographic below for managing your waterline, from septic care to rain gardens. Here is another resource looking at the importance of frogs as a kind of canary in the coal mine for the ecosystem. The New York Times details some of the problems with algae blooms that result at least partly from poor septic systems near the water.