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 Forested Other
Urban Agricultural Forested Other
Row Crops Pasture/Hay Total
3% 12% 20% 32% 59% 6%
Site Drainage Area

Please select a parameter from the list to view graphs of loads and concentrations. After a selection is made, you may need to scroll down to view the graphs.

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