Tests reveal high levels of E. coli in parts of Bear Creek and nearby waterways Officials said that samples collected June 29 exceeded state water quality standards for bacteria. Posted: Jul 7, 2021 4:33 PM Updated: Jul 7, 2021 4:40 PM Posted By: Jamie Parfitt MEDFORD, Ore. — Local officials are cautioning the public to avoid recreation in part so fo the Bear Creek Greenway and its tributaries after routine tests exceeded state water quality standards for the E. coli bacteria. People are asked to use caution when in contact with these waterways and avoid ingestion or contact with open wounds. Very young children should be fully supervised if playing in the water to avoid swallowing, which could cause illness. Officials do not recommend wading or swimming in these areas, either.