How do man made lakes get fish?
How do man made lakes get fish? But in the case of most man made lakes, which are usually very small, only a few acres or less in extent, the owners of the lake simply buy fish, or go out and catch some, and transport them and turn them into the lake.
Why I never swim in lakes?
Lakes are a bastion for bacteria, and predators.
How do you know if a lake is clean?
Look for signs of poor water quality, such as algal blooms and dirty or turbid water. Do not swim in water that smells like rotten eggs or sewage. Avoid swimming near pipes that drain into lakes or streams.