SNAP

Penns Creek at Penns Creek, Pa.

Overview
  • Station Id: 01555000
  • County: Snyder/Union
  • Drainage Area: 305 sq.mi.
  • Station Coordinates: 40.867°, -77.049°
  • Period of record: 10/04 - Present
Location Description

Station is located 0.63 miles north of Penns Creek on Route 104.

Data

2016 Land Use

Urban Agricultural Agricultural Forested Other
Row Crops Pasture/Hay Total
5% 13% 9% 23% 70% 2%
Site Drainage Area

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Clear
2019 Flow Normalized Trends
Trend period (Water Year*) 2005-2019
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
Penns Creek 2005-2019 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 0.186 0.99 HL UP 0.090 0.95 HL UP
Nitrate-Nitrite 0.211 0.99 HL UP 0.084 0.99 HL UP
Ammonia -0.008 0.93 VL DOWN -0.004 0.83 L DOWN
Dissolved Nitrogen 0.162 0.99 HL UP 0.071 0.97 HL UP
Nitrate-Nitrite 0.215 0.99 HL UP 0.085 0.99 HL UP
Ammonia -0.007 0.95 HL DOWN -0.004 0.91 VL DOWN
Total Phosphorus -0.026 0.99 HL DOWN -0.011 0.95 HL DOWN
Particulate Phosphorus 0.004 0.75 L UP 0.003 0.54 ALAN NS
Dissolved Phosphorus -0.029 0.99 HL DOWN -0.013 0.99 HL DOWN
Orthophosphate -0.021 0.99 HL DOWN -0.008 0.99 HL DOWN
Total Organic Carbon -0.322 0.89 L DOWN -0.145 0.83 L DOWN
Total Suspended Solids -1.875 0.77 L DOWN -2.176 0.77 L DOWN
Suspended Sediment -3.090 0.89 L DOWN -7.230 0.93 VL DOWN