DIFFICULT RUN NEAR GREAT FALLS, VA
USGSVirginia (38.97594, -77.24581) · View on map
Current reading
6.89 CFS
Gauge height: 2.47 FT
Read 22 minutes ago · Aug 26, 2026 2:15 PM EDT
Flow history — last 6 days
No readings recorded in the last 6 days.
Runs on this gauge
No runs currently read this gauge.