In the summer, body weight can go up by several pounds due to increased body water. This is accomplished through fluid-conserving hormones such as aldosterone, which allows the kidney to retain more fluid and reduces the amount of salt in sweat, a measure that also aids in water retention.
The population of Mason County has slightly increased since 2010. The largest city is Shelton, population 9,777, with the balance of residents living in unincorporated areas. Shelton has seen a 0.7 percent decline in population since 2010.
Larger Map. Mason Lake is a natural freshwater lake with an elongated shape located in Mason County, part of Washington state's Olympic Peninsula tourism region. Mason Lake is the largest and deepest lake in Mason County, which boasts a total of 118 lakes. With its steep, rocky shoreline, Mason Lake is a favorite fishing location for largemouth bass, yellow perch, rock bass, and cutthroat trout.