West Branch Susquehanna River at Karthaus, Pa.
Overview
- Station Id: 01542500
- County: Clearfield
- Drainage Area: 1,391 sq.mi.
- Station Coordinates: 41.117°, -78.109°
- Period of record: 10/04 to present
Location Description
Water quality samples are collected off the Route 879 bridge located on the eastern side of Karthaus.
Data
- Data File Description
- KAR.xlsx October 2004 to present
2021 Land Use
| Urban | Agricultural | Agricultural | Forested | Other | ||
|---|---|---|---|---|---|---|
| Row Crops | Pasture/Hay | Total | ||||
| 7% | 2% | 10% | 12% | 75% | 6% | |
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*) | 2005-2024 |
|---|---|
| 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 | |
| Karthaus 2005-2024 | 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 | -0.0035157 | 0.5784314 | ALAN | NS | 0.0308486 | 0.6764706 | L | UP |
| Nitrate-Nitrite | -0.0275807 | 0.8921569 | L | DWN | 0.0623295 | 0.7352941 | L | UP |
| Ammonia | -0.0304604 | 0.9901961 | HL | DWN | -0.0642050 | 0.9901961 | HL | DWN |
| Dissolved Nitrogen | -0.0467227 | 0.8921569 | L | DWN | -0.0298056 | 0.6176471 | ALAN | NS |
| Nitrate-Nitrite | -0.0177444 | 0.8529412 | L | DWN | 0.0721495 | 0.7745098 | L | UP |
| Ammonia | -0.0274327 | 0.9901961 | HL | DWN | -0.0605397 | 0.9901961 | HL | DWN |
| Total Phosphorus | -0.0184314 | 0.9901961 | HL | DWN | -0.0365482 | 0.9901961 | HL | DWN |
| Particulate Phosphorus | -0.0112659 | 0.9901961 | HL | DWN | -0.0255518 | 0.9901961 | HL | DWN |
| Dissolved Phosphorus | -0.0109657 | 0.9901961 | HL | DWN | -0.0154379 | 0.9901961 | HL | DWN |
| Orthophosphate | -0.0088531 | 0.9901961 | HL | DWN | -0.0139237 | 0.9901961 | HL | DWN |
| Total Organic Carbon | 0.0290551 | 0.5196078 | ALAN | NS | -0.0731296 | 0.6372549 | ALAN | NS |
| Total Suspended Solids | -1.8829278 | 0.8137255 | L | DWN | -8.3744774 | 0.8137255 | L | DWN |
| Suspended Sediment | 8.3074220 | 0.7549020 | L | UP | 11.2559558 | 0.5980392 | ALAN | NS |