LEAPFROG • E-FREE TRANSLATION.COM • Definition of Leapfrog

... third or less of the organic material, but by their very existence they tend to lull communities into a false conviction that they are doing their part toward clean rivers. Tiny plants of the sort authorized locally for new leapfrog subdivisions and vacation colonies are usually doomed to restricted efficiency by their very size. These often are underdesigned even for initial loads, let alone for the growth that comes later, and most of ...

— The Nation's River - The Department of the Interior Official Report on the Potomac • United States Department of the Interior