Sherman Creek at Shermans Dale, Pa.
Overview
- Station Id: 01568000
- County: Perry
- Drainage Area: 188 sq.mi.
- Station Coordinates: 40.344°, -77.194°
- Period of record: 10/84 to 12/89 & 10/04 to present
Location Description
Pisgah State Road bridge at Dromgold.
Data
- Data File Description
- SHE8489.xlsx October 1984 to December 1989
- SHE.xlsx October 2004 to present
2021 Land Use
| Urban | Agricultural | Agricultural | Forested | Other | ||
|---|---|---|---|---|---|---|
| Row Crops | Pasture/Hay | Total | ||||
| 6% | 13% | 12% | 25% | 67% | 1% | |
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*) | 2005-2023 |
|---|---|
| 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 | |
| Shermans Dale 2005-2023 | 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 | -0.0498395 | 0.8137255 | L | DWN | 0.0070852 | 0.6176471 | ALAN | NS |
| Nitrate-Nitrite | -0.0711637 | 0.7745098 | L | DWN | 0.0074572 | 0.5588235 | ALAN | NS |
| Ammonia | -0.0146329 | 0.9901961 | HL | DWN | -0.0055236 | 0.9705882 | HL | DWN |
| Dissolved Nitrogen | -0.0799266 | 0.9117647 | VL | DWN | -0.0020208 | 0.6960784 | L | DWN |
| Nitrate-Nitrite | -0.0670949 | 0.7549020 | L | DWN | 0.0052884 | 0.5588235 | ALAN | NS |
| Ammonia | -0.0144872 | 0.9901961 | HL | DWN | -0.0060668 | 0.9705882 | HL | DWN |
| Total Phosphorus | 0.0019058 | 0.6372549 | ALAN | NS | 0.0004399 | 0.6176471 | ALAN | NS |
| Particulate Phosphorus | -0.0003062 | 0.6372549 | ALAN | NS | -0.0016461 | 0.8137255 | L | DWN |
| Dissolved Phosphorus | 0.0017041 | 0.7549020 | L | UP | 0.0011646 | 0.5196078 | ALAN | NS |
| Orthophosphate | 0.0005952 | 0.6568627 | ALAN | NS | 0.0011913 | 0.6176471 | ALAN | NS |
| Total Organic Carbon | -0.1302504 | 0.6372549 | ALAN | NS | -0.1500972 | 0.8725490 | L | DWN |
| Total Suspended Solids | -2.9589837 | 0.8921569 | L | DWN | -3.8391638 | 0.9117647 | VL | DWN |
| Suspended Sediment | 1.5767438 | 0.6176471 | ALAN | NS | -2.9409847 | 0.8529412 | L | DWN |