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
- Data File Description
- CHE.xlsx October 2004 to present
2016 Land Use
| Urban | Agricultural | Agricultural | Forested | Other | ||
|---|---|---|---|---|---|---|
| Row Crops | Pasture/Hay | Total | ||||
| 7% | 5% | 23% | 28% | 61% | 4% | |
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
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 | |
| Chemung 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 | 0.0508455 | 0.5588235 | ALAN | NS | -0.0415375 | 0.7156863 | L | DWN |
| Nitrate-Nitrite | 0.1598822 | 0.9705882 | HL | UP | 0.1957674 | 0.8529412 | L | UP |
| Ammonia | -0.0124111 | 0.9705882 | HL | DWN | -0.0509965 | 0.9901961 | HL | DWN |
| Dissolved Nitrogen | -0.0709681 | 0.9509804 | HL | DWN | -0.3075410 | 0.9117647 | VL | DWN |
| Nitrate-Nitrite | 0.0610976 | 0.7352941 | L | UP | 0.0546674 | 0.6372549 | ALAN | NS |
| Ammonia | -0.0169590 | 0.9313725 | VL | DWN | -0.0609537 | 0.9901961 | HL | DWN |
| Total Phosphorus | -0.0667923 | 0.9901961 | HL | DWN | -0.1547367 | 0.9901961 | HL | DWN |
| Particulate Phosphorus | -0.0197738 | 0.9901961 | HL | DWN | -0.0515514 | 0.8529412 | L | DWN |
| Dissolved Phosphorus | -0.0419799 | 0.9509804 | HL | DWN | -0.0810443 | 0.9901961 | HL | DWN |
| Orthophosphate | -0.0436586 | 0.9509804 | HL | DWN | -0.0784185 | 0.9901961 | HL | DWN |
| Total Organic Carbon | -0.1492021 | 0.7941176 | L | DWN | 0.0249261 | 0.5588235 | ALAN | NS |
| Total Suspended Solids | 2.6780227 | 0.6372549 | ALAN | NS | 124.3613881 | 0.7941176 | L | UP |
| Suspended Sediment | 3.3591198 | 0.6176471 | ALAN | NS | 97.8508295 | 0.6960784 | L | UP |