Friends of the Shenandoah River

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Summer E. coli Testing Program

FOSR’s 2021 Summer E. coli Results through 07.07.2021

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

Test Results Archive