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
Geneva, Ohio township and form their own township, which then became Geneva Township, named after Geneva, New York. In 1866, the town of Geneva then became a village, and, nearly one hundred years later, in 1958, Geneva was incorporated as a city. Geneva is located at (41.800098, -80.945784), east of Cleveland and west of Erie, Pennsylvania. The city is bordered to the north, east and west by Geneva Township and by Harpersfield Township to the south. The Grand River flows around Geneva to the south in Harpersfield and to the west in Lake County. The Geneva State Park is located to the