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is the eighth largest city of the nine incorporated cities in Stanislaus County, California, United States. The population was 6,924 at the 2000 census, but is believed to number over 9,000 today. It is part of the Modesto Metropolitan Statistical Area.
According to the United States Census Bureau, the city has a total area of 1.6 square miles (4.2 km²), of which, 1.56 square miles (4.1 km²) of it is land and 0.04 square miles (0.1 km²) of it (1.23%) is water.
City population signs report that Waterford's elevation is above sea level.