USGS Station 01536500 • Lat 41.2514°, Long -75.8796° • Elevation Pennsylvania Basin
Current flow requires caution. Scout all rapid entrances.
Check local hatch charts and water temperature before wading.
Pins show this gauge (highlighted) and up to 5 nearby USGS stations. Tap any pin or use the list to check conditions upstream or downstream.
National Water Information System (NWIS) • Automated satellite telemetry transmission every 15 to 60 minutes.
Data transmitted via USGS satellite telemetry every 15 to 60 minutes. ClearGauge computes Low / Normal / High / Flood Risk verdicts using historical daily-mean percentiles from the USGS record. All readings shown are sourced directly from USGS NWIS.
River Safety & Autonomous Human Verification Notice
River conditions can change abruptly due to upstream reservoir releases, sudden mountain thunderstorms, flash flooding, and seasonal snowmelt surges. Always scout rapids prior to commitment, wear an approved USCG Type III/V Personal Flotation Device (PFD), carry appropriate rescue gear, and check local emergency management bulletins before launching.
Potomac River near Washington, DC
USGS Station 01646500 • 171.958036640449 mi away
