Lake Geneva to swim at some beaches of the lake; indeed, visibility under water was near zero. By the 1980s, intense environmental pollution (eutrophication) had almost wiped out all the fish. Today, pollution levels have been dramatically cut back, and it is again considered safe to swim in the lake. Major leisure activities practiced include sailing, wind surfing, boating (including water skiing and wakeboarding), rowing, scuba diving and bathing. On a scientific footnote, in 1827, Lake Geneva was the site for the first measurement of the speed of sound in (fresh) water. French mathematician Jacques Charles François Sturm and Swiss Physicist Daniel
The Riviera (Lake Geneva, Wisconsin) of transportation around Geneva Lake. Starting in 1912, the United States Postal Service began summertime mail delivery from this point. By the 1930s, residents felt the need for a new recreational facility at this location. Despite the ongoing Great Depression, residents approved an $85,000 bond issue to raise funds for construction. A small island was created by building a rubble mound and allowing sediment to build up. To improve the stability of the structure, 280 piles were driven into the bedrock below. The first pile was put in place on March 29, 1932, and the entire building was completed in