Tioga River Near Erwins flow report
As of July 13, 2026, Tioga River Near Erwins is flowing at 415 cfs with a gage height of 1.30 ft, receding 5% over the past 24 hours. Source: USGS gauge #01526500, refreshed throughout the day.
Historical Data
Tioga River Near Erwins at a glance
How Tioga River Near Erwins is running right now, where it sits on the map, and the key gauge stats.
Tioga River Near Erwins is flowing at 415 cfs, with the water sitting 1.30 ft at the gage. Flow is down 5% since yesterday as the gauge recedes.
This is USGS gauge #01526500 in New York. Over the past 10 days the average has been 761 cfs, peaking at 2,310 cfs.
Over the next 5 days, Tioga River Near Erwins Ny is expected to recede from today's 415 cfs, toward roughly 294 cfs by 2026-07-18 (likely range 105-822 cfs) -- drier than normal for the date.
For real-time updates and historical context, see the realtime view or the historical comparison. Browse other gauges in the New York flow report.
Streamflow Forecast
Powered by PULSE — Snoflo’s Predictive Unified Learning & Simulation Engine, which learns from how this river has answered every past storm, snowmelt, and dry spell to forecast where it’s headed with a precision generic models can’t match.
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.
Weather Forecast
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day forecast
Daily temperatures, snow, and rain projected over the next two weeks.
Tioga River Near Erwins
The primary constituents of the river include various species of fish such as brown trout, brook trout, and smallmouth bass. There are several tributaries that feed into the Tioga River including Catlin Creek and Park Creek, which can affect its flow. The river experiences seasonal trends, with higher flows in the spring due to snowmelt and increased precipitation. In the summer, flow levels tend to be lower. The Tioga River is also home to a dam at the Pennsylvania state line, which helps to regulate the river's flow. Interesting facts about the hydrology of the Tioga River include its role in providing drinking water to the city of Elmira and its historical significance as a transportation route for early settlers.
Nearby streamflow levels
Cross-check Tioga River Near Erwins's discharge against nearby gauges to spot whether the change here is local or regional.
| Gauge | Streamflow |
|---|---|
| Tioga River Near Erwins Ny | 415 cfs |
| Chemung River At Corning Ny | 142 cfs |
| Tioga River At Lindley Ny | 59 cfs |
| Cowanesque River Near Lawrenceville | 90 cfs |
| Tuscarora Creek Above South Addison Ny | 5 cfs |
| Cohocton River Near Campbell Ny | 124 cfs |
Nearby snowpack data
Snowpack at SNOTEL stations near Tioga River Near Erwins. Spring snowmelt is the dominant driver of streamflow in mountain basins -- a deep snowpack upstream means more runoff later in the season.
| SNOTEL station | Snowpack |
|---|---|
| Corning | 0 in |
| Addison | 0 in |
| Cowanesque Dam | 0 in |
| Elmira | 0 in |
| Covington 2wsw | 0 in |
| Mecklenburg 4 Sw | 2 in |
Plan a trip
Reservoirs, boat launches, river runs, and fishing spots within driving distance of Tioga River Near Erwins.
Boat launches
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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 Tioga River Near Erwins in the Snoflo app
Save this gauge as a favorite, set push alerts when streamflow crosses a threshold (e.g. "alert me when Tioga River Near Erwins crosses 5,000 cfs"), and Snoflo's iOS app will push the moment USGS reports the crossing.
About Tioga River Near Erwins
Where does the streamflow data for Tioga River Near Erwins come from?
Discharge, gage height, and water temperature come directly from the USGS streamflow gauge 01526500. 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 Tioga River Near Erwins 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.
Access the free Tioga River Near Erwins report
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