Swimmers urged to guard health

Swimmers, left, visit a Salt Lake County pool. Below, Rolf Larsen, environmental health specialist for the Salt Lake Valley Health Department, checks the pH level at the Cottonwood Heights recreation center's swimming pool on Thursday. With recreational water illnesses on the rise nationally, the health department is urging swimmers to be vigilant about such precautions as showering before swimming, changing diapers often, handwashing and not swimming while suffering from diarrhea.