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
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 | |
| Martic Forge 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 | -1.2051252 | 0.9901961 | HL | DWN | -0.1671123 | 0.9901961 | HL | DWN |
| Nitrate-Nitrite | -0.9799209 | 0.9901961 | HL | DWN | -0.1455517 | 0.9705882 | HL | DWN |
| Ammonia | 0.0195477 | 0.9117647 | VL | UP | 0.0115777 | 0.9901961 | HL | UP |
| Dissolved Nitrogen | -1.3171467 | 0.9901961 | HL | DWN | -0.1944202 | 0.9901961 | HL | DWN |
| Nitrate-Nitrite | -0.8117130 | 0.9901961 | HL | DWN | -0.1195324 | 0.9509804 | HL | DWN |
| Ammonia | 0.0174890 | 0.8921569 | L | UP | 0.0103932 | 0.9901961 | HL | UP |
| Total Phosphorus | 0.0530092 | 0.9313725 | VL | UP | 0.0293586 | 0.8921569 | L | UP |
| Particulate Phosphorus | 0.0232991 | 0.8529412 | L | UP | 0.0199698 | 0.8921569 | L | UP |
| Dissolved Phosphorus | 0.0296567 | 0.9705882 | HL | UP | 0.0101129 | 0.9509804 | HL | UP |
| Orthophosphate | 0.0254203 | 0.9509804 | HL | UP | 0.0088550 | 0.9117647 | VL | UP |
| Total Organic Carbon | -0.2952434 | 0.6960784 | L | DWN | -0.1183590 | 0.8333333 | L | DWN |
| Total Suspended Solids | 4.6597973 | 0.5000000 | ALAN | NS | 2.2571218 | 0.5196078 | ALAN | NS |
| Suspended Sediment | 99.9536546 | 0.8725490 | L | UP | 40.5101028 | 0.8137255 | L | UP |