SNAP Penns Creek at Penns Creek, PA
SNAP

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

2000 Land Use

Urban Agricultural Agricultural Forested Other
Row Crops Pasture/Hay Total
6% 51% 14% 65% 22% 7%
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.

Clear
2015 Flow Normalized Trends
Trend period (Water Year) 2005-2015
FNC (Flow Normalized Concentration) (mg/L) FNC Slope – mg/L/yr
FNF (Flow Normalized Flux) 10^6 kg/yr FNF Slope – 10^6 kg/yr/yr
Trend & Direction NS – Not significant,  UP – Increasing trend,  DOWN – Decreasing trend
SMK – Seasonal Mann-Kendall for flow trends, alpha level 0.05
FNC/FNF alpha level 0.1
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
Parameter/code Trend Test Change Slope % Change Over the Period of Record Hypothesis Test Likelihood Test
P-value Trend Value Descriptor Direction
TN / 600 FNC -1.33 -0.13 -16 <0.05 Down 0.99 HL Down
FNF -0.2262 -0.023 -15 <0.05 Down 0.99 HL Down
TNOx / 630 FNC -0.874 -0.087 -12 0.09 Down 0.96 HL Down
FNF -0.139 -0.014 -12 0.14 NS 0.93 VL Down
TON / 605 FNC -0.589 -0.059 -47 <0.05 Down 0.98 HL Down
FNF -0.1276 -0.013 -40 0.11 NS 0.95 VL Down
TNH3 / 610 FNC 0.024 0.0024 38 0.20 NS 0.89 L Up
FNF 0.0079 0.00079 38 0.34 NS 0.84 L Up
DN / 602 FNC -1.38 -0.14 -17 <0.05 Down 0.99 HL Down
FNF -0.2253 -0.023 -16 <0.05 Down 0.99 HL Down
DNOx / 631 FNC -0.706 -0.071 -10 0.26 NS 0.86 L Down
FNF -0.1139 -0.011 -9.7 0.34 NS 0.84 L Down
DON / 607 FNC -0.728 -0.073 -61 <0.05 Down 0.99 HL Down
FNF -0.13 -0.013 -59 <0.05 Down 0.99 HL Down
DNH3 / 608 FNC 0.0336 0.0034 58 0.13 NS 0.94 VL Up
FNF 0.0102 0.001 54 0.27 NS 0.87 L Up
TP / 665 FNC 0.0725 0.0072 39 0.33 NS 0.84 L Up
FNF 0.0152 0.0015 18 0.53 NS 0.74 L Up
DP / 666 FNC 0.0592 0.0059 56 <0.05 Up 0.98 HL Up
FNF 0.0143 0.0014 43 0.17 NS 0.91 VL Up
DOP / 671 FNC 0.0612 0.061 66 0.05 Up 0.97 HL Up
FNF 0.01679 0.0017 58 0.16 NS 0.92 VL Up
TOC / 680 FNC 0.0911 0.0091 2.8 0.96 NS 0.51 ALAN Up
FNF 0.06776 0.0068 7.2 0.98 NS 0.51 ALAN Up
SSC-TSS / 80154 FNC 7.32 0.73 16 0.64 NS 0.69 L Up
FNF 3.435 0.34 6.7 0.80 NS 0.61 ALAN Up