SNAP

Chemung River at Chemung, NY

Overview
  • Station Id: 01531000
  • County: Chemung
  • Drainage Area: 2,507 sq.mi.
  • Station Coordinates: 42.003°, -76.635°
  • Period of record: 10/04 to present
  • Elevation: 779 ft.
Location Description

Station is located on the bridge 0.76 miles southwest of Chemung on Route 3.

Data

2000 Land Use

Urban Agricultural Agricultural Forested Other
Row Crops Pasture/Hay Total
3% 12% 20% 32% 69% 6%
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
2015 Flow Normalized Trends
Trend period (Water Year) 2004-2015
FNC (Flow Normalized Concentration) (mg/L) FNC Slope – mg/L/yr
FNF (Flow Normalized Flux) 10^6 kg/yr FNF Slope – 10^6 kg/yr/yr
Trend & Direction NS – Not significant,  UP – Increasing trend,  DOWN – Decreasing trend
SMK – Seasonal Mann-Kendall for flow trends, alpha level 0.05
FNC/FNF alpha level 0.1
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
Parameter/code Trend Test Change Slope % Change Over the Period of Record Hypothesis Test Likelihood Test
P-value Trend Value Descriptor Direction
TN / 600 FNC 0.0073 0.00073 0.67 0.8 NS 0.613 ALAN UP
FNF -0.1064 -0.011 -3.4 0.73 NS 0.637 ALAN Down
TNOx / 630 FNC 0.026 0.0026 4.1 0.53 NS 0.74 L Up
FNF -0.041 -0.0041 -2.6 0.79 NS 0.61 ALAN Down
TON / 605 FNC -0.0027 -0.00027 -0.67 0.89 NS 0.56 ALAN Down
FNF -0.0004 -0.00005 -0.032 0.88 NS 0.56 ALAN Down
TNH3 / 610 FNC 0.0013 0.00013 4 0.78 NS 0.61 ALAN Up
FNF 0.0041 0.00041 3.7 NS 0.61 ALAN Up
DN / 602 FNC -0.143 -0.0014 -1.4 0.77 NS 0.61 ALAN Down
FNF -0.0195 -0.002 -0.75 1.0 NS 0.51 ALAN Down
DNOx / 631 FNC -0.0142 -0.0014 -2.1 0.86 NS 0.56 ALAN Down
FNF -0.0163 -0.0016 -1.0 0.96 NS 0.51 ALAN Down
DON / 607 FNC 0.0107 0.0011 3.3 0.93 NS 0.54 ALAN Up
FNF 0.0159 0.0016 1.9 0.74 NS 0.64 ALAN Up
DNH3 / 608 FNC -0.0003 -0.00003 -0.75 0.93 NS 0.54 ALAN Down
FNF 0.0034 0.00034 3.2 0.97 NS 0.51 ALAN Up
TP / 665 FNC -0.0454 -0.0045 -43 <0.05 Down 0.99 HL Down
FNF -0.0772 -0.0077 -21 0.32 NS 0.84 L Down
DP / 666 FNC -0.0327 -0.0033 -57 <0.05 Down 0.99 HL Down
FNF -0.057 -0.0057 -51 <0.05 Down 0.99 HL Down
DOP / 671 FNC -0.033 -0.0033 -62 0.073 Down 0.97 HL Down
FNF -0.052 -0.0052 -58 <0.05 Down 0.99 HL Down
TOC / 680 FNC 0.197 0.02 6.1 0.16 NS 0.92 VL Up
FNF 1.018 0.1 11 0.15 NS 0.92 VL Up
SSC-TSS / 80154 FNC -7.15 -0.71 -22 0.3 NS 0.84 L Down
FNF -96.99 -9.7 -28 0.27 NS 0.86 L Down