Water Quality Testing
Surface water may be tested for E. coli. The only natural habitat of E. coli is the intestinal tract of warm-blooded animals. The recreational water guideline is less than 235 MPN/100 mL. An advisory is recommended between and 235 MPN/100 mL and 1000 MPN/100 mL. A closure is recommended at greater than 1000 MPN/100 mL.