At one of the sites that we collected water samples at yesterday, Wednesday July 07, 2021  the E. coli  level exceeded the previous Virginia water-quality standard threshold of 235 E. coli colony forming  units per 100 mL of water sample for primary recreational use.

FW36 – Manassas Run upstream of the confluence with main-stem Shenandoah River, just upstream  of the public boat landing, 1,413.6 MPN of E. coli colony-forming units per 100 mL

FOSR 2021 Summer Quantitative E. coli Concentration Results through 07.07.2021

The post FOSR’s 2021 Summer E. coli Results through 07.07.2021 appeared first on FOSR.