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
2024 Flow Normalized Trends
| Trend period (Water Year*) | 2006-2024 |
|---|---|
| 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 2006-2024 | 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 | 0.1171677 | 0.9901961 | HL | UP | 0.0740204 | 0.9313725 | VL | UP |
| Nitrate-Nitrite | 0.1065119 | 0.9901961 | HL | UP | 0.0660051 | 0.9509804 | HL | UP |
| Ammonia | -0.0196019 | 0.9901961 | HL | DWN | -0.0212058 | 0.9901961 | HL | DWN |
| Dissolved Nitrogen | 0.1207003 | 0.9705882 | HL | UP | 0.0793995 | 0.9509804 | HL | UP |
| Nitrate-Nitrite | 0.1473360 | 0.9901961 | HL | UP | 0.1067626 | 0.9901961 | HL | UP |
| Ammonia | -0.0160820 | 0.9901961 | HL | DWN | -0.0184238 | 0.9705882 | HL | DWN |
| Total Phosphorus | -0.0326500 | 0.9901961 | HL | DWN | -0.0370753 | 0.9901961 | HL | DWN |
| Particulate Phosphorus | -0.0053378 | 0.9705882 | HL | DWN | -0.0069342 | 0.8725490 | L | DWN |
| Dissolved Phosphorus | -0.0234784 | 0.9901961 | HL | DWN | -0.0251592 | 0.9901961 | HL | DWN |
| Orthophosphate | -0.0256297 | 0.9901961 | HL | DWN | -0.0250714 | 0.9901961 | HL | DWN |
| Total Organic Carbon | 0.3100279 | 0.9117647 | VL | UP | 0.1776575 | 0.8529412 | L | UP |
| Total Suspended Solids | -3.0818098 | 0.9509804 | HL | DWN | -7.2576782 | 0.8137255 | L | DWN |
| Suspended Sediment | 1.4755314 | 0.6764706 | L | UP | -3.0664629 | 0.6372549 | ALAN | NS |