Pequea Creek at Martic Forge, Pa.
Overview
- Station Id: 01576787
- County: Lancaster
- Drainage Area: 149 sq.mi.
- Station Coordinates: 39.906°, -76.328°
- Period of record: 10/04 - Present
Location Description
Station is on the bridge 0.06 miles Northwest of Martic Forge on Route 324.
Data
- Data File Description
- PEQ.xlsx October 2004 to present
2021 Land Use
| Urban | Agricultural | Agricultural | Forested | Other | ||
|---|---|---|---|---|---|---|
| Row Crops | Pasture/Hay | Total | ||||
| 17% | 45% | 15% | 60% | 21% | 2% | |
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 | |
| Martic Forge 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 | -1.3745529 | 0.9901961 | HL | DWN | -0.2227878 | 0.9901961 | HL | DWN |
| Nitrate-Nitrite | -1.0011071 | 0.9901961 | HL | DWN | -0.1575903 | 0.9901961 | HL | DWN |
| Ammonia | 0.0073210 | 0.6960784 | L | UP | 0.0031521 | 0.7156863 | L | UP |
| Dissolved Nitrogen | -1.4371354 | 0.9901961 | HL | DWN | -0.2348470 | 0.9901961 | HL | DWN |
| Nitrate-Nitrite | -0.8356116 | 0.9901961 | HL | DWN | -0.1318569 | 0.9901961 | HL | DWN |
| Ammonia | 0.0080922 | 0.7352941 | L | UP | 0.0030159 | 0.6960784 | L | UP |
| Total Phosphorus | 0.0482246 | 0.8529412 | L | UP | 0.0261500 | 0.8921569 | L | UP |
| Particulate Phosphorus | 0.0117178 | 0.7549020 | L | UP | 0.0140390 | 0.7941176 | L | UP |
| Dissolved Phosphorus | 0.0345332 | 0.9313725 | VL | UP | 0.0109617 | 0.9509804 | HL | UP |
| Orthophosphate | 0.0276071 | 0.8725490 | L | UP | 0.0092660 | 0.9509804 | HL | UP |
| Total Organic Carbon | -0.3225242 | 0.6764706 | L | DWN | -0.1592574 | 0.9117647 | VL | DWN |
| Total Suspended Solids | -3.2782199 | 0.6176471 | ALAN | NS | -2.5063423 | 0.6568627 | ALAN | NS |
| Suspended Sediment | 87.9548869 | 0.8725490 | L | UP | 29.5370109 | 0.8725490 | L | UP |