Unadilla River at Rockdale, NY
Overview
- Station Id: 01502500
- County: Chenango
- Drainage Area: 520 sq.mi.
- Station Coordinates: 42.379°, -75.406°
- Period of record: 10/05 to present
Location Description
Station is on bridge 0.09 miles east of Rockdale on CR 40.
Data
- Data File Description
- UNA.xlsx October 2005 to December 2019
2016 Land Use
| Urban | Agricultural | Agricultural | Forested | Other | ||
|---|---|---|---|---|---|---|
| Row Crops | Pasture/Hay | Total | ||||
| 5% | 7% | 27% | 33% | 54% | 8% | |
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*) | 2006-2021 |
|---|---|
| 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 | |
| Rockdale 2006-2021 | 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 | 0.0922205 | 0.9117647 | VL | UP | 0.0685285 | 0.8137255 | L | UP |
| Nitrate-Nitrite | 0.1047598 | 0.9705882 | HL | UP | 0.0759475 | 0.8921569 | L | UP |
| Ammonia | -0.0243274 | 0.9901961 | HL | DN | -0.0268664 | 0.9901961 | HL | DN |
| Dissolved Nitrogen | 0.0824258 | 0.7941176 | L | UP | 0.0608947 | 0.7156863 | L | UP |
| Nitrate-Nitrite | 0.1369684 | 0.9901961 | HL | UP | 0.1066543 | 0.9509804 | HL | UP |
| Ammonia | -0.0196528 | 0.9901961 | HL | DN | -0.0226928 | 0.9901961 | HL | DN |
| Total Phosphorus | -0.0352809 | 0.9901961 | HL | DN | -0.0421606 | 0.9901961 | HL | DN |
| Particulate Phosphorus | -0.0061902 | 0.9705882 | HL | DN | -0.0105736 | 0.9509804 | HL | DN |
| Dissolved Phosphorus | -0.0249530 | 0.9901961 | HL | DN | -0.0263389 | 0.9901961 | HL | DN |
| Orthophosphate | -0.0260463 | 0.9705882 | HL | DN | -0.0258542 | 0.9705882 | HL | DN |
| Total Organic Carbon | -0.0191293 | 0.5196078 | ALAN | NS | 0.0756632 | 0.7745098 | L | UP |
| Total Suspended Solids | -1.8266157 | 0.8725490 | L | DN | -4.1052554 | 0.6764706 | L | DN |
| Suspended Sediment | -0.0975185 | 0.5980392 | ALAN | NS | -4.2360512 | 0.6960784 | L | DN |