SNAP

Susquehanna River at 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
2019 Flow Normalized Trends
Trend period (Water Year*) 2005-2019
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 2005-2019 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 -0.011 0.52 ALAN NS -0.255 0.68 L DOWN
Nitrate-Nitrite 0.028 0.62 ALAN NS -0.303 0.81 L DOWN
Ammonia -0.007 0.83 L DOWN -0.148 0.99 HL DOWN
Dissolved Nitrogen -0.010 0.50 ALAN NS -0.492 0.91 VL DOWN
Nitrate-Nitrite 0.030 0.77 L UP -0.161 0.77 L DOWN
Ammonia -0.009 0.89 L DOWN -0.112 0.97 HL DOWN
Total Phosphorus -0.029 0.99 HL DOWN -0.228 0.97 HL DOWN
Particulate Phosphorus -0.014 0.99 HL DOWN -0.029 0.66 ALAN NS
Dissolved Phosphorus -0.018 0.97 HL DOWN -0.166 0.99 HL DOWN
Orthophosphate -0.016 0.97 HL DOWN -0.156 0.99 HL DOWN
Total Organic Carbon -0.122 0.85 L DOWN 0.560 0.64 ALAN NS
Total Suspended Solids 12.551 0.95 HL UP 444.264 0.97 HL UP
Suspended Sediment 8.363 0.89 L UP 293.376 0.87 L UP