Friends of the Shenandoah River

E. coli Testing Results for July 30, 2025

Good news! Our latest E. coli results show lower levels
New infographic with this week’s testing results.

While collecting water samples yesterday along the North Fork, South Fork, and Main-stem of the Shenandoah River, we couldn’t help but notice how many people were out enjoying the River! From fishing and kayaking to tubing and good old-fashioned splashing around, it was a lively day on the water.  We were greeted with genuine interest and appreciation, thank you to everyone who stopped to chat with us!

Young kayakers showing us how it’s done! Front Royal public boat landing, South Fork Shenandoah River, Warren County VA

Here’s the positive news: E. coli levels at all our River sampling sites were below the EPA’s recommended threshold of 235 CFU per 100mL. Explore our new interactive map and QR codes for every monitoring site at the button links below.

The recent stretch of dry weather has given the River a break from heavy rain that causes an increase in runoff.  We observed a noticeable improvement in water clarity; less silt and sediment and the riverbed was visible at most locations.

And it’s not just the air heating up… at Castleman’s Ferry (Main-stem, Clarke County), we recorded the highest water temp of the summer so far: 85.1ºF!

We’ll continue monitoring the Shenandoah and sharing updates to keep you informed about the health of your River.

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E. Coli Test results for July 31, 2025

These results provide a snapshot of the E. coli bacteria concentrations at the designated sites on the date, time, and under the conditions that the water samples were collected.

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Test Results Archive

The two sites that have routinely exceeded freshwater Beach Action Value (BAV) of 235 CFU of E. coli bacteria per 100 mL of water sample are tributaries. Site FPHCTL located on the Hawksbill Creek of

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Below is the link to the E. coli results for the water samples collected yesterday, 06.11.2024, as part of Friends of the Shenandoah River’s Summer E. coli Testing Program. To confirm the previous 3 consecutive

These are the E. coli results for the water samples collected on Wednesday June 05, 2024 as part of Friends of the Shenandoah River (FOSR) Summer E. coli Testing Program at public access locations on

These are the E. coli results for the water samples collected on Thursday May 30, 2024 as part of Friends of the Shenandoah River (FOSR) Summer E. coli Testing Program at public access locations on

Friends of the Shenandoah River (FOSR) launched our Summer E. coli Testing Program at public access locations on the Main-stem, South Fork, and North Fork of the Shenandoah River yesterday, Tuesday May 21, 2024. We