The National Park Service has detected elevated levels of E. coli around the Point Reyes National Seashore in several locations downstream of ranches and dairies—but also in an area where cattle don’t congregate.
The findings are included in the park’s first annual report on water quality on the Pacific side of the seashore. It analyzes the results of two six-week rounds of testing, one conducted last winter after heavy rains battered the region, and another…