
Measured E. coli concentrations in Limestone Branch Tributary 3 starting in February 2022. The Virginia DEQ single sample recreational use threshold of 235 CFU is exceeded in 21 out of 28 sampling events, with values up to nearly 41 times the threshold.
Loudoun Wildlife is grateful to Friends of the Shenandoah River for providing the baseline E. coli data from February 2022 for this project.