East Mahantango near Dalmatia, Pa.
Overview
- Station Id: 01555500
- County: Northumberland
- Drainage Area: 162 sq.mi.
- Station Coordinates: 40.611°, -76.911°
- Period of record: 1/12 to present
Location Description
Site located on Kiwanis Farm Road bridge 3 miles south of Dalmatia.
Data
- Data File Description
- MAH.xlsx October 2004 to present
2021 Land Use
| Urban | Agricultural | Agricultural | Forested | Other | ||
|---|---|---|---|---|---|---|
| Row Crops | Pasture/Hay | Total | ||||
| 8% | 31% | 9% | 40% | 49% | 3% | |
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*) | 2013-2024 |
|---|---|
| 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 | |
| East Mahantango 2013-2024 | 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 | -0.3030853 | 0.8137255 | L | DWN | -0.2234594 | 0.9509804 | HL | DWN |
| Nitrate-Nitrite | -0.3373583 | 0.8529412 | L | DWN | -0.2115842 | 0.9705882 | HL | DWN |
| Ammonia | -0.0149791 | 0.9313725 | VL | DWN | -0.0065940 | 0.9313725 | VL | DWN |
| Dissolved Nitrogen | -0.2748019 | 0.7941176 | L | DWN | -0.1927351 | 0.9313725 | VL | DWN |
| Nitrate-Nitrite | -0.2842667 | 0.7941176 | L | DWN | -0.1950842 | 0.9509804 | HL | DWN |
| Ammonia | -0.0122700 | 0.9313725 | VL | DWN | -0.0062997 | 0.9705882 | HL | DWN |
| Total Phosphorus | -0.0033826 | 0.5392157 | ALAN | NS | -0.0102153 | 0.9509804 | HL | DWN |
| Particulate Phosphorus | -0.0110866 | 0.8725490 | L | DWN | -0.0121356 | 0.9509804 | HL | DWN |
| Dissolved Phosphorus | 0.0095332 | 0.8529412 | L | UP | -0.0007088 | 0.7156863 | L | DWN |
| Orthophosphate | 0.0025868 | 0.5588235 | ALAN | NS | -0.0024238 | 0.9313725 | VL | DWN |
| Total Organic Carbon | -0.0711876 | 0.7549020 | L | DWN | -0.1845772 | 0.9313725 | VL | DWN |
| Total Suspended Solids | -9.5514612 | 0.9705882 | HL | DWN | -19.0217378 | 0.8921569 | L | DWN |
| Suspended Sediment | 10.0682433 | 0.9117647 | VL | UP | -9.1956054 | 0.7941176 | L | DWN |