SNAP

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

2016 Land Use

Urban Agricultural Agricultural Forested Other
Row Crops Pasture/Hay Total
6% 4% 22% 26% 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.

Clear
2021 Flow Normalized Trends
Trend period (Water Year*) 2005-2021
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
Waverly 2005-2021 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 -0.1202793 0.9901961 HL DWN -0.9171403 0.9509804 HL DWN
Nitrate-Nitrite -0.0426694 0.8529412 L DWN -0.5484805 0.9705882 HL DWN
Ammonia -0.0257584 0.9901961 HL DWN -0.2524373 0.9901961 HL DWN
Dissolved Nitrogen -0.1523349 0.9901961 HL DWN -1.2595673 0.9901961 HL DWN
Nitrate-Nitrite -0.0307793 0.7352941 L DWN -0.3978009 0.9705882 HL DWN
Ammonia -0.0266490 0.9901961 HL DWN -0.2259113 0.9901961 HL DWN
Total Phosphorus -0.0380957 0.9901961 HL DWN -0.3421927 0.9901961 HL DWN
Particulate Phosphorus -0.0201043 0.9901961 HL DWN -0.1388534 0.9313725 VL DWN
Dissolved Phosphorus -0.0224243 0.9901961 HL DWN -0.1900649 0.9901961 HL DWN
Orthophosphate -0.0185888 0.9901961 HL DWN -0.1715571 0.9901961 HL DWN
Total Organic Carbon -0.2203856 0.9509804 HL DWN -0.3123335 0.5980392 ALAN NS
Total Suspended Solids 9.0283590 0.9313725 VL UP 391.9078505 0.9705882 HL UP
Suspended Sediment 12.1015571 0.8725490 L UP 343.2180685 0.8333333 L UP