Report finds bacteria from fecal matter affecting Pennsylvania rivers and streams
A report found rivers and streams across Pennsylvania are testing positive for harmful levels of the bacteria E. coli, which spreads through fecal matter. The nonprofit PennEnvironment found that at 55% of 653 monitoring sites, levels of E. coli reached potentially unsafe levels for swimmers in 2024 and 2025. Nearly 40% of testing sites tested positive for unsafe levels of the bacteria on at least one-quarter of the days they were tested. E. coli is especially harmful for swimmers. It can cause gastrointestinal illness, respiratory disease and infections of the skin, ears and eyes. ...