Overview
  • Station Id: 01576787
  • County: Lancaster
  • Drainage Area: 149 sq.mi.
  • Station Coordinates: 39.906°, -76.328°
  • Period of record: 10/04 to present
Location Description
Station is on the bridge 0.06 miles Northwest of Martic Forge on Route 324.
Data
2000 Land Use
Urban Agricultural Forested Other
Urban Agricultural Forested Other
Row Crops Pasture/Hay Total
6% 51% 14% 65% 22% 7%
Site Drainage Area

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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