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
2021 Land Use
| Urban | Agricultural | Agricultural | Forested | Other | ||
|---|---|---|---|---|---|---|
| Row Crops | Pasture/Hay | Total | ||||
| 6% | 7% | 25% | 32% | 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
2023 Flow Normalized Trends
| Trend period (Water Year*) | 2006-2023 |
|---|---|
| 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 2006-2023 | 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 | 0.1033205 | 0.9705882 | HL | UP | 0.0678370 | 0.8725490 | L | UP |
| Nitrate-Nitrite | 0.1053275 | 0.9901961 | HL | UP | 0.0720093 | 0.9313725 | VL | UP |
| Ammonia | -0.0221797 | 0.9901961 | HL | DWN | -0.0232371 | 0.9901961 | HL | DWN |
| Dissolved Nitrogen | 0.1000984 | 0.9313725 | VL | UP | 0.0669315 | 0.8921569 | L | UP |
| Nitrate-Nitrite | 0.1435436 | 0.9901961 | HL | UP | 0.1092804 | 0.9509804 | HL | UP |
| Ammonia | -0.0177443 | 0.9901961 | HL | DWN | -0.0190300 | 0.9705882 | HL | DWN |
| Total Phosphorus | -0.0330707 | 0.9901961 | HL | DWN | -0.0369977 | 0.9901961 | HL | DWN |
| Particulate Phosphorus | -0.0057362 | 0.9509804 | HL | DWN | -0.0080218 | 0.8137255 | L | DWN |
| Dissolved Phosphorus | -0.0239417 | 0.9901961 | HL | DWN | -0.0254082 | 0.9901961 | HL | DWN |
| Orthophosphate | -0.0256225 | 0.9901961 | HL | DWN | -0.0253760 | 0.9901961 | HL | DWN |
| Total Organic Carbon | 0.3803459 | 0.9705882 | HL | UP | 0.3749603 | 0.9313725 | VL | UP |
| Total Suspended Solids | -1.8952566 | 0.7745098 | L | DWN | -1.1668249 | 0.5980392 | ALAN | NS |
| Suspended Sediment | 2.2890081 | 0.7549020 | L | UP | 2.8666335 | 0.6568627 | ALAN | NS |