If the water test results indicate possible fecal contamination (e.g.: high count of fecal coliforms), test agricultural water for Hepatitis A virus (HAV) and Norovirus (NoV).
If the water test results indicate possible fecal contamination (e.g.: high count of fecal coliforms), test agricultural water for Hepatitis A virus (HAV) and Norovirus (NoV).