Susquehanna River at Smithboro, NY
Discharge Measurement: USGS 01515000 Susquehanna River near Waverly, NY
Overview
- Station Id: 01515000
- County: Tioga
- Drainage Area: 4,734 sq.mi.
- Station Coordinates: 42.028°, -76.384°
- Period of record: 10/04 to present
Location Description
Station is on the bridge 0.87 miles east of Smithboro on 17C. 0.38 miles south on SR 282.
Data
- Data File Description
- SMI.xlsx October 2004 to present
2021 Land Use
| Urban | Agricultural | Agricultural | Forested | Other | ||
|---|---|---|---|---|---|---|
| Row Crops | Pasture/Hay | Total | ||||
| 7% | 4% | 21% | 25% | 61% | 7% | |
Site Drainage Area
Please select a parameter from the list to view graphs of loads and concentrations. You may need to scroll down to view graphs.
Loads
Concentrations
Data
2023 Flow Normalized Trends
| Trend period (Water Year*) | 2005-2023 |
|---|---|
| Trend & Direction | NS – Not significant, UP – Increasing trend, DOWN – Decreasing trend |
| Hypothesis Test significance level (i.e. α) | 0.1 |
| * Water Year runs from October 1st to September 30th of the following year | |
| Likelihood Descriptor | Range of values** |
|---|---|
| HL (Highly Likely) | ≥0.95 and ≤1.00 |
| VL (Very Likely) | ≥0.90 and <0.95 |
| L (Likely) | ≥0.66 and <0.90 |
| ALAN (About as Likely as Not) | >0.33 and <0.66 |
| ** Values represent the posterior mean estimate of the probability of a trend | |
| Smithboro 2005-2023 | Flow Normalized Concentration (mg/L) | Flow Normalized Load (Millions Kg/yr) | ||||||
|---|---|---|---|---|---|---|---|---|
| Likelihood Test | Likelihood Test | |||||||
| Parameter | Change | Value | Descriptor | Trend | Change | Value | Descriptor | Trend |
| Total Nitrogen | -0.1332083 | 0.9901961 | HL | DWN | -1.1848784 | 0.9705882 | HL | DWN |
| Nitrate-Nitrite | -0.0659789 | 0.9705882 | HL | DWN | -0.6700096 | 0.9705882 | HL | DWN |
| Ammonia | -0.0296839 | 0.9901961 | HL | DWN | -0.2765414 | 0.9901961 | HL | DWN |
| Dissolved Nitrogen | -0.1512339 | 0.9901961 | HL | DWN | -1.2690395 | 0.9901961 | HL | DWN |
| Nitrate-Nitrite | -0.0489635 | 0.7941176 | L | DWN | -0.5218367 | 0.9705882 | HL | DWN |
| Ammonia | -0.0307093 | 0.9901961 | HL | DWN | -0.2551444 | 0.9901961 | HL | DWN |
| Total Phosphorus | -0.0413071 | 0.9901961 | HL | DWN | -0.3836589 | 0.9901961 | HL | DWN |
| Particulate Phosphorus | -0.0224030 | 0.9901961 | HL | DWN | -0.1693537 | 0.9509804 | HL | DWN |
| Dissolved Phosphorus | -0.0236129 | 0.9901961 | HL | DWN | -0.2008289 | 0.9901961 | HL | DWN |
| Orthophosphate | -0.0200873 | 0.9901961 | HL | DWN | -0.1814299 | 0.9901961 | HL | DWN |
| Total Organic Carbon | -0.0157542 | 0.5980392 | ALAN | NS | 0.4283736 | 0.6372549 | ALAN | NS |
| Total Suspended Solids | 8.1718396 | 0.9313725 | VL | UP | 440.6521632 | 0.9705882 | HL | UP |
| Suspended Sediment | 26.9630729 | 0.9901961 | HL | UP | 718.1075610 | 0.9901961 | HL | UP |