Friends of the Shenandoah River continues our Summer E. coli Testing Program at public access locations on the main stem, South Fork, and North Fork of the Shenandoah River. Real-time monitoring results are made available on all digital devices to help you make an informed decision about getting on or in the water.
FOSR utilizes WaterWatch*, a comprehensive digital platform that supports data collection, management, and visualization. FOSR provides unrestricted access to our water-quality data. We ask that acknowledgment and credit be given when using and referring to these data.
Check out our station QR codes to get the latest reading from your favorite access point.
The test results in the map below 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.
* Learn more about The Downstream Project’s WaterWatch program here.
Guidance
Click on a map pin or select site from the sidebar to see details.
Click blue circle in the lower right corner to refresh.
Hover over section dividers to activate tool to resize sections.
Most Recent Test Results
🛑 KNOW BEFORE YOU GO! Planning to hit the river for the 4th of July weekend? 🦅 🗽🎆 🎇🍔 🌭 🍉 🥤 🥳 Before you pack up the family and gear ☀️🕶️🎣🚣♂️, check out the
🛑 KNOW BEFORE YOU GO! Yesterday’s water samples across our 14 monitored sites brought in a mixed bag of E. coli results. ⚠️ Notably, the high bacteria levels were widespread: in every single county we
💧Drought conditions continue, causing decreasing water levels, as pictured. On the bright side, the measured E. coli levels at all the South Fork, North Fork and Main-stem River sites tested were well below the
Wednesday 06.10.2026: Water levels in the Shenandoah River watershed continued to recede. Despite only sporadic rainfall across the region since the testing event last week, four specific monitoring locations exhibited a notable spike in E.
This Wednesday, June 3, 2026, water levels at all but one of our monitored sites had receded back to normal levels for this time of year. Notably, E. coli levels also decreased at every location.
After five days of rainfall, E. coli bacteria levels in the North Fork, South Fork, and Main-stem of the Shenandoah River have risen significantly since our tests on May 19. Out of 14 sites monitored