SNAP

Kishacoquillas Creek at Reedsville, Pa.

Overview
  • Station Id: 01565000
  • County: Mifflin
  • Drainage Area: 163 sq.mi.
  • Station Coordinates: 40.654°, -77.583°
  • Period of record: 1/12 to present
Location Description

Site located on Manns Narrows Bridge north of Yeagertown.

Data

2016 Land Use

Urban Agricultural Agricultural Forested Other
Row Crops Pasture/Hay Total
7% 20% 10% 30% 61% 1%
Site Drainage Area

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Clear
2019 Flow Normalized Trends
Trend period (Water Year*) 2013-2019
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
Reedsville 2013-2019 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 0.545 0.87 L UP 0.109 0.85 L UP
Nitrate-Nitrite 0.500 0.83 L UP 0.101 0.83 L UP
Ammonia 0.001 0.64 ALAN NS 0.000 0.62 ALAN NS
Dissolved Nitrogen 0.571 0.89 L UP 0.109 0.87 L UP
Nitrate-Nitrite 0.549 0.87 L UP 0.107 0.87 L UP
Ammonia -0.005 0.77 L DOWN -0.002 0.89 L DOWN
Total Phosphorus -0.022 0.93 VL DOWN -0.006 0.89 L DOWN
Particulate Phosphorus 0.001 0.52 ALAN NS 0.000 0.68 L DOWN
Dissolved Phosphorus -0.025 0.97 HL DOWN -0.006 0.97 HL DOWN
Orthophosphate -0.017 0.97 HL DOWN -0.003 0.95 HL DOWN
Total Organic Carbon -0.927 0.97 HL DOWN -0.338 0.95 HL DOWN
Total Suspended Solids -9.849 0.89 L DOWN -3.934 0.81 L DOWN
Suspended Sediment -7.302 0.83 L DOWN -3.612 0.79 L DOWN