Cowans11.jpgThe number of confirmed cases in an E coli O157:H7 outbreak linked to Cowans Gap State Park is now 14, the Pennsylvania Department of Health announced Thursday. In a statement, health department officials said 11 cases involve Pennsylvania residents — six from Franklin County, four from Lancaster County and one from Huntingdon County. Three cases were confirmed in Maryland residents, officials said.

All swam in the lake at Cowans Gap State Park, although the source of the bacteria has not yet been found. State officials continue to test the 42-acre lake in Fulton County, Pennsylvania The lake was closed to all activities effective 5:30 p.m. August 9 as a precaution. The park remains open for other activities. A well at the park has tested positive for E. coli, but not the strain that has made people sick.