FOSR’s 2021 Summer E. coli Results through 07.21.2021

Once again the E. coli levels of >2,419.6 measured at site FW36, Manassas Run upstream of the confluence with main-stem Shenandoah River, just upstream of the public boat landing, on Wednesday, July 21, 2021, 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.

FOSR 2021 Summer Quantitative E. coli Concentration Results through 07.21.2021

The water level in the North Fork and South Fork of the Shenandoah River dropped again this week.  Also seeing algae blooms at many of the sites we collect water samples from.

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