Pond vs Lake. He asks, how I know the difference? The conundrum is usually pondered over a cocktail or two as we take a break from solving the rest of the worlds problems. Rivers are flowing water bodies that flows into the ground towards ocean,sea or towards another river. However, several conventions with the authority of renowned worldwide scientists share some insights regarding both of them. The main difference between a lake and a pond is the size. Lake or Pond??? River, Lake,Lagoons and Pond are body of water and the main difference is water movement. The bottom sediment, known as the benthic zone, has a surface layer abundant with organisms. One of the most frequently asked questions posed of biologists in the Lake Assessment Section of Maine DEP, is what makes an inland body of freshwater a lake or a pond? (the article continues after the ad) Before we get into it, it’s important here to clarify that the difference mentioned below is somewhat arbitrary as there’s no precise regulation in neither the statues (RSA 485-A and Env-Ws 1700) that regulate the water quality of surface waters. His response is more compelling. My response, if it's too small for water skiing - it's a Pond! My neighbor friend likes to refer to my 1.2 acre Pond as a Lake, as if he's correcting me when I call it a pond. So, without further ado, here’s the difference between a ‘lake’ and a ‘pond’. A lake is usually defined as a body of water large enough to have at least one wind-swept beach; ponds usually are not large enough for winds to blow across the water and create waves to wash away the plants that may be trying to take root. Pond and Lake Ecosystems The limnetic zone is the open water area where light does not generally penetrate all the way to the bottom. Try it now Instructor: Rayna Cummings. Loon Lake, Plymouth, NH (left) vs. Loon Pond, Gilmanton, NH (right) Hampshire is 10 acres or greater in size, then it is considered a “Great Pond”—a waterbody that is regulated by the state and subject to state water quality laws. Commonly, rivers flow in only one direction towards ocean and rest of the waterbodies are standing and available in significant sizes. River. There’s no universally accepted definition for a pond and a lake. All water bodies, in order of size, it would be Pond, Lagoon, Lake, and River; the first three are stagnant, the last is flowing water. Is there a scientific difference between a lake and a pond? The Ramsar Convention, for example, defines a pond as a body of water that is less than 8 hectares or below 20 acres. About half of the 6,000 lakes and ponds that have been assigned a state identification number have been named, many having two or three names. Lake vs. Pond. Lake vs. Pond: Quiz & Worksheet for Kids Quiz; Course; Start today. This is why many become confused in differentiating the two.