Long Branch Near Annandale, Va Realtime Data
LONG BRANCH NEAR ANNANDALE, VA
Realtime Data • Report • Conditions
1
Discharge (cfs)
2.5
Gauge Height (ft)
Streamflow discharge was last observed at 1 cfs, and a gauge height of 2.52 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 3 .
Weather today, Tomorrow,
The stream receives water from various sources, including stormwater runoff, groundwater discharge, and precipitation. It is not impacted by any dams, but there are several smaller tributaries that contribute to its flow. Seasonal trends show higher flow during the spring and fall, and lower flow during the summer and winter. Interesting facts about Long Branch include its historical use as a source of water for agriculture and its current designation as impaired due to high levels of bacteria. Overall, understanding Long Branch's hydrology is important for managing its water quality and protecting the health of the Potomac River watershed.
July 13, 2026
| Elevation | 210.0 ft |
| Last Updated | |
| Gage height, ft | 2.52 ft |
| Streamflow, ft³/s | 0.9 ft3/s |
| Specific conductance, water, unfiltered, microsiemens per centimeter at 25°C | 173.0 uS/cm @25C |
| Count of samples collected by autosampler, number | 0.0 nu |
| Dissolved oxygen, water, unfiltered, mg/L | 6.6 mg/l |
| Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 ±2.5°, formazin nephelometric units (FNU) | 2.4 FNU |
| pH, water, unfiltered, field, standard units | 7.1 std units |
| Temperature, water, °C | 22.9 deg C |
| Percent of Normal | 50% |
| Year Over Year Average | 2 cfs |
| 24hr Flow Prediction | cfs |
| Maximum Recorded | 1,500 cfs |
| Geolocation | 38.81, -77.24 |
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