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This week we collected the  water samples from the sites located in Clarke County on the Main-stem of the Shenandoah River and the one water sample from Opequon Creek on Monday, September 16 for the E. coli testing program.  We then collected the rest of the water samples on Tuesday, September 17.   Below are the E. coli concentration results for the water samples that were collected on both September 16 and 17.  In a freshwater system, these data represent a snapshot of the water quality on the date, time, and under the conditions that the water sample was collected.

FOSR 2019 Summer Quantitative E. coli Concentration Results through 09.17.2019

At 1 of the 15 sites tested on September 16 and 17, 2019 the E. coli levels exceeded the Virginia Water Quality Standard threshold level of 235 colony forming units of E. coli per 100 ml of sample for freshwater beaches.  This site was:

• FW36, Manassas Run, a tributary the feeds into the Main-stem Shenandoah River just upstream of the public boat landing at Morgan’s Ford Bridge on Morgans Ford Road, Warren County

These are the E. coli concentration results for the water samples were collected yesterday, Tuesday, September 10, 2019.  In a freshwater system, these data represent a snapshot of the water quality on the date, time, and under the conditions that the water sample was collected.

FOSR 2019 Summer Quantitative E. coli Concentration Results through 09.10.2019

This is the first time in awhile the E. coli levels at all of the sites tested were below the Virginia Water Quality Standard threshold level of 235 colony forming units of E. coli per 100 ml of sample for freshwater beaches.

It was observed that the flow levels at the sites visited on Tuesday were below the USGS recorded median (spanning 58 – 105 years) for this time of year.

This tranquil scene on the Main-stem of the Shenandoah River in Clarke County was captured by Bud Nagelvoort on August 30, 2019.

These are the E. coli concentration results for the water samples were collected yesterday, Tuesday, September 03, 2019.  In a freshwater system, these data represent a snapshot of the water quality on the date, time, and under the conditions that the water sample was collected.

FOSR 2019 Summer Quantitative E. coli Concentration Results through 09.03.2019

At 1 of the 15 sites tested on September 03, the E. coli levels exceeded the Virginia Water Quality Standard threshold level of 235 colony forming units of E. coli per 100 ml of sample for freshwater beaches.  This site was:

• FW36, Manassas Run, a tributary the feeds into the Main-stem Shenandoah River just upstream of the public boat landing at Morgan’s Ford Bridge on Morgans Ford Road, Warren County

We collected the water samples to test for E. coli levels at the 15 designated public access and recreational use sites yesterday afternoon to be able to provide you with the most current E. coli concentration results for you to make an informed decision about potential associated health risks when recreating in the areas of the river tested going into the holiday weekend.

These are the E. coli concentration results for the water samples were collected yesterday, Thursday, August 29.  In a freshwater system, these data represent a snapshot of the water quality on the date, time, and under the conditions that the water sample was collected.

FOSR 2019 Summer Quantitative E. coli Concentration Results through 08.29.2019

At 1 of the 15 sites tested on August 29, the E. coli levels exceeded the Virginia Water Quality Standard threshold level of 235 colony forming units of E. coli per 100 ml of sample for freshwater beaches.  This site was:

• FW36, Manassas Run, a tributary the feeds into the Main-stem Shenandoah River just upstream of the public boat landing at Morgan’s Ford Bridge on Morgans Ford Road, Warren County

These are the E. coli concentration results for the water samples that I collected on Thursday, August 22.  In a freshwater system, these data represent a snapshot of the water quality on the date, time, and under the conditions that the water sample was collected.  After the water samples were collected yesterday, it rained in many of the areas that the sites are located.  The rain flushes contaminants, including E. coli bacteria,  from all of the exposed surfaces in the urban, suburban, rural, and agricultural areas into the streams and rivers.

FOSR 2019 Summer Quantitative E. coli Concentration Results through 08.22.2019

At 1 of the 16 sites tested on August 22, the E. coli levels exceeded the Virginia Water Quality Standard threshold level of 235 colony forming units of E. coli per 100 ml of sample for freshwater beaches.  This site was:

• FW36, Manassas Run, a tributary the feeds into the Main-stem Shenandoah River just upstream of the public boat landing at Morgan’s Ford Bridge on Morgans Ford Road, Warren County

These are the E. coli concentration results for the water samples that I collected on Thursday, August 15.  Check out the E. coli levels for the water samples collected yesterday shortly after a localized heavy down pour that fell in portions of Clarke County VA.

FOSR 2019 Summer Quantitative E. coli Concentration Results through 08.15.2019

At 5 of the 16 sites tested the E. coli levels exceeded the Virginia Water Quality Standard threshold level of 235 colony forming units of E. coli per 100 ml of sample for freshwater beaches.  These sites were:

FC08, Main-stem Shenandoah River, at Castleman’s Ferry public boat ramp, Route 7 bridge, Clarke County

FC05, Main-stem Shenandoah River, at Lockes Landing public boat landing, Clarke County

FC01, Main-stem Shenandoah River, at at Berry’s public boat ramp, Route 50 bridge, Clarke County

FW36, Manassas Run, a tributary the feeds into the Main-stem Shenandoah River just upstream of the public boat landing at Morgan’s Ford Bridge on Morgans Ford Road, Warren County

FW35, Main-stem Shenandoah River, in the Main-stem Shenandoah River at Morgan’s Ford Bridge public boat landing below confluence with Manassas Run, Warren County

These are the E. coli concentration results for the water samples that I collected and tested on Tuesday, August 6.  In a freshwater system, these data represent a snapshot of the water quality on the date, time, and under the conditions that the water sample was collected.

FOSR 2019 Summer Quantitative E. coli Concentration Results through 08.06.2019

At 1 of the 15 sites tested the E. coli levels exceeded the Virginia Water Quality Standard threshold level of 235 colony forming units of E. coli per 100 ml of sample for freshwater beaches.  This site was:

FW36, Manassas Run, a tributary the feeds into the Main-stem Shenandoah River just upstream of the public boat landing at Morgan’s Ford Bridge on Morgans Ford Road, Warren County

These are the E. coli concentration results for the water samples that I collected on Wednesday, July 31.  In a freshwater system, these data represent a snapshot of the water quality on the date, time, and under the conditions that the water sample was collected.

FOSR 2019 Summer Quantitative E. coli Concentration Results through 07.31.2019

At 3 of the 15 sites tested the E. coli levels exceeded the Virginia Water Quality Standard threshold level of 235 colony forming units of E. coli per 100 ml of sample for freshwater beaches.  These sites were:

FW36, Manassas Run, a tributary the feeds into the Main-stem Shenandoah River just upstream of the public boat landing at Morgan’s Ford Bridge on Morgans Ford Road, Warren County

FW35, Main-stem Shenandoah River, in the Main-stem Shenandoah River at Morgan’s Ford Bridge public boat landing below confluence with Manassas Run, Warren County

FCOC, Opequon Creek, off Neill Road at ford, the dividing line between Clarke & Frederick Counties