There must be something in the water — still — because local cases of a waterborne diarrheal disease continue to climb, surpassing 250 by Tuesday. That number, which exceeds the cases in Franklin and Delaware counties combined in the past five years, probably will keep rising over the next few weeks before it levels off, health officials say.adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-LOCAL","nativepaywallcategory" : "NATIVE_PREM-LOCAL"};