Susquehanna River At Danville flow report

Pennsylvania, USA USGS #01540500 ↗

As of July 14, 2026, Susquehanna River At Danville is flowing at 4,120 cfs with a gage height of 3.11 ft, receding 19% over the past 24 hours. Source: USGS gauge #01540500, refreshed throughout the day.

⚠ Heat Advisory · Heat Advisory issued July 14 at 2:13PM EDT until July 15 at 8:00PM EDT by NWS State College PA
Stale data This gauge hasn’t reported in days (last reading unknown). The readings below may not reflect current conditions.
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Right now · latest observation
Susquehanna River At Danville
USGS gauge #01540500
4,120 cfs streamflow
Latest reading from this gauge.
Gage height
3.11ft
Water temp
--
% of median
Since yesterday
↓ -19%
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Conditions summary

Susquehanna River At Danville at a glance

How Susquehanna River At Danville is running right now, where it sits on the map, and the key gauge stats.

Susquehanna River At Danville is flowing at 4,120 cfs, with the water sitting 3.11 ft at the gage. Flow is down 19% since yesterday as the gauge recedes.

This is USGS gauge #01540500 in Pennsylvania. Over the past 10 days the average has been 5,331 cfs, peaking at 7,270 cfs.

For real-time updates and historical context, see the realtime view or the historical comparison. Browse other gauges in the Pennsylvania flow report.

Susquehanna River At Danville on the map Open map →
Site IDUSGS 01540500
Last updated2026-07-14
Gage height, ft3.11 ft
Stream water level elevation above NAVD 1988, in ft433.65 ft
Streamflow, ft³/s4120.0 ft3/s
Specific conductance, water, unfiltered, microsiemens per centimeter at 25°C380.0 uS/cm @25C
Dissolved oxygen, water, unfiltered, mg/L7.6 mg/l
pH, water, unfiltered, field, standard units7.3 std units
Temperature, water, °C27.8 deg C
Max recorded287,000 cfs
Streamflow outlook

Streamflow Forecast

Over the next 5 days, Susquehanna River At Danville is expected to recede from today's 4120 cfs, toward roughly 3555 cfs by 2026-07-19 (likely range 1390-9090 cfs) -- running well below the seasonal normal.

Powered by PULSE — Snoflo’s forecast engine, trained on this gauge’s full record of storms, snowmelt, and dry spells.

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Historical context

How does this compare to past years?

Year-over-year overlay, annual peak discharge, the full distribution of daily flows on record, and the gauge's rating curve.

Detailed forecast

Weather Forecast

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

5-day forecast table

Every 3 hours, broken out across temperature, snow, rain, humidity, and wind.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day forecast

Daily temperatures, snow, and rain projected over the next two weeks.

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About this location

Susquehanna River At Danville

The river is fed by many tributaries, including the West Branch Susquehanna, which is dammed at several locations for hydroelectric power. Seasonally, the river experiences high flows in the spring due to snowmelt and precipitation, and low flows in the summer and fall. Interesting facts about the hydrology of the Susquehanna River include its status as the longest river on the East Coast and its importance as a water source for millions of people in the Chesapeake Bay watershed.

Regional streamflow

Nearby streamflow levels

Cross-check Susquehanna River At Danville's discharge against nearby gauges to spot whether the change here is local or regional.

Regional snowpack

Nearby snowpack data

Snowpack at SNOTEL stations near Susquehanna River At Danville. Spring snowmelt is the dominant driver of streamflow in mountain basins -- a deep snowpack upstream means more runoff later in the season.

SNOTEL stationSnowpack
Mahantango Ck 0 in
Valley View 0.5 W 0 in
Williamsport Rgnl 0 in
Tremont 0.4 Nnw 0 in
Pine Grove 0 in
Laporte 0 in
Nearby recreation

Plan a trip

Reservoirs, boat launches, river runs, and fishing spots within driving distance of Susquehanna River At Danville.

River levels & flood safety

Read the level before you go
A river that's runnable at one flow can be deadly at another. Check current discharge and gage height — like the values shown above — against the flood-stage thresholds, and remember levels can spike fast after rain or a dam release.
Respect cold water
Snowmelt rivers run cold even in summer. Sudden immersion triggers cold-water shock and saps strength within minutes. Wear a PFD, dress for the water temperature (not the air), and never wade or paddle alone.
Watch for swiftwater hazards
Strainers (downed trees), undercut rocks, and low-head dams are the deadliest features on moving water. High, fast, muddy water hides them. If in doubt, scout from shore and portage.
Mind flash floods & releases
Narrow canyons can flood from a storm miles upstream, and dam-controlled reaches can rise without warning. Know the forecast, the release schedule, and your exit before you launch.

Track Susquehanna River At Danville in the Snoflo app

Save this gauge as a favorite, set push alerts when streamflow crosses a threshold (e.g. "alert me when Susquehanna River At Danville crosses 5,000 cfs"), and Snoflo's iOS app will push the moment USGS reports the crossing.

FAQ

About Susquehanna River At Danville

Where does the streamflow data for Susquehanna River At Danville come from?

Discharge, gage height, and water temperature come directly from the USGS streamflow gauge 01540500. Snoflo refreshes the time series throughout the day. Forecasts come from the NOAA / yr.no feed Snoflo's iOS app uses.

How often is the report updated?

USGS gauges report continuously (typically every 15 minutes). Snoflo pulls fresh values throughout the day — look for the "as of" timestamp on the streamflow hero card.

What's the difference between discharge and gage height?

Discharge (cubic feet per second, or cfs) is the volume of water flowing past the gauge each second. Gage height is how high the water sits at the gauge (feet). They're related by a rating curve specific to each gauge — higher water means more flow, but the exact ratio depends on channel shape.

How is "percent of median" calculated?

Today's discharge is compared to the historical median discharge on this calendar day across the gauge's full record. 100% = right on median; 200% = a very high year; 30% = a drought-level low.

What are flood stages, and is this river safe right now?

Flood stages are NWS-defined gage-height thresholds — Action, Minor, Moderate, Major — marking when nearby roads or floodplains start to be affected. "Safe" depends on your activity and skill: a level that's a fun paddle for an expert can be lethal for a wader. Always check the current level against the thresholds above and the safety links, and when in doubt, stay off the water.

Can I get alerts when Susquehanna River At Danville rises?

Yes — flow alerts are managed in the Snoflo iOS app. Favorite this gauge, set a streamflow threshold (e.g. "alert me when discharge crosses 5,000 cfs"), and you'll get a push the moment USGS reports the crossing.