Overview
  • Station Id: 01576754
  • County: Lancaster
  • Drainage Area: 470 sq.mi.
  • Station Coordinates: 39.939°, -76.367°
  • Period of record: 10/84 to present
Location Description
Station and gage are located on south bank, 2.6 miles up from the mouth of the Conestoga River and 1,500 feet downstream of the Little Conestoga Creek.
Data
2000 Land Use
Urban Agricultural Forested Other
Urban Agricultural Forested Other
Row Crops Pasture/Hay Total
21% 42% 9% 51% 20% 8%
Site Drainage Area
Conestoga

Please select a parameter from the list to view graphs of loads and concentrations. After a selection is made, you may need to scroll down to view the graphs.

2015 Flow Normalized Trends

Trend period (Water Year) 1984-2015
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
FLOW / 60 SMK - - - 0.074 NS - - -
TN / 600 FNC -2.300 -0.077 -27 <0.05 Down 0.99 HL Down
FNF -1.87 -0.062 -34 <0.05 Down 0.99 HL Down
TNOx / 630 FNC -1.170 -0.039 -17 <0.05 Down 0.99 HL Down
FNF -0.80 -0.027 -20 <0.05 Down 0.99 HL Down
TON / 605 FNC -0.844 -0.028 -61 <0.05 Down 0.99 HL Down
FNF -0.89 -0.03 -66 0.061 Down 0.97 HL Down
TNH3 / 610 FNC -0.329 -0.011 -83 <0.05 Down 0.99 HL Down
FNF -0.26 -0.0086 -80 <0.05 Down 0.99 HL Down
DN / 602 FNC -1.600 -0.053 -21 <0.05 Down 0.97 HL Down
FNF -1.16 -0.039 -25 <0.05 Down 0.99 HL Down
DNOx / 631 FNC -1.060 -0.035 -16 <0.05 Down 0.99 HL Down
FNF -0.73 -0.024 -19 <0.05 Down 0.99 HL Down
DON / 607 FNC -0.345 -0.011 -44 <0.05 Down 0.99 HL Down
FNF -0.26 -0.0085 -48 <0.05 Down 0.99 HL Down
DNH3 / 608 FNC -0.309 -0.01 -83 <0.05 Down 0.99 HL Down
FNF -0.24 -0.0082 -80 <0.05 Down 0.99 HL Down
TP / 665 FNC -0.338 -0.011 -62 <0.05 Down 0.99 HL Down
FNF -0.24 -0.0079 -56 0.07 Down 0.97 HL Down
DP / 666 FNC -0.186 -0.0062 -54 <0.05 Down 0.99 HL Down
FNF -0.08 -0.0026 -41 <0.05 Down 0.99 HL Down
DOP / 671 FNC -0.192 -0.0064 -58 <0.05 Down 1.00 HL Down
FNF -0.06 -0.0021 -38 0.086 Down 0.96 HL Down
TOC / 680 FNC -5.650 -0.19 -65 <0.05 Down 0.99 HL Down
FNF -3.94 -0.13 -60 <0.05 Down 0.99 HL Down
SSC / 80154 FNC -100.0 -3.3 -79 0.12 NS 0.95 VL Down
FNF -193 -6.4 -78 0.19 NS 0.91 VL Down