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
2023 Flow Normalized Trends
| Trend period (Water Year*) | 2013-2023 |
|---|---|
| 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 | |
| East Mahantango 2013-2023 | 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 | -0.1632618 | 0.7941176 | L | DWN | -0.1674685 | 0.9117647 | VL | DWN |
| Nitrate-Nitrite | -0.2096528 | 0.7941176 | L | DWN | -0.1602947 | 0.9313725 | VL | DWN |
| Ammonia | -0.0125415 | 0.8137255 | L | DWN | -0.0054166 | 0.8921569 | L | DWN |
| Dissolved Nitrogen | -0.1505355 | 0.7941176 | L | DWN | -0.1428836 | 0.9117647 | VL | DWN |
| Nitrate-Nitrite | -0.1309422 | 0.7745098 | L | DWN | -0.1386917 | 0.9313725 | VL | DWN |
| Ammonia | -0.0125602 | 0.8921569 | L | DWN | -0.0062179 | 0.9705882 | HL | DWN |
| Total Phosphorus | 0.0072348 | 0.7156863 | L | UP | -0.0042527 | 0.8137255 | L | DWN |
| Particulate Phosphorus | -0.0021806 | 0.7352941 | L | DWN | -0.0041007 | 0.8333333 | L | DWN |
| Dissolved Phosphorus | 0.0096583 | 0.9117647 | VL | UP | -0.0011062 | 0.8137255 | L | DWN |
| Orthophosphate | 0.0052880 | 0.8137255 | L | UP | -0.0021085 | 0.9117647 | VL | DWN |
| Total Organic Carbon | -0.1087058 | 0.7549020 | L | DWN | -0.1884081 | 0.9705882 | HL | DWN |
| Total Suspended Solids | -2.7980007 | 0.7352941 | L | DWN | -8.3961503 | 0.8529412 | L | DWN |
| Suspended Sediment | 7.9044363 | 0.9313725 | VL | UP | -8.5026411 | 0.8725490 | L | DWN |