Overview
  • Station Id: 01576000
  • County: Lancaster
  • Drainage Area: 25,996 sq.mi.
  • Station Coordinates: 40.029°, -76.518°
  • Period of record: 10/86 to present
Location Description
Sample location is along the Route 30 bridge. The gage is located on the east bank upstream of the Route 30 bridge and 1 mile downstream of Marietta, Pa.
Data
2000 Land Use
Urban Agricultural Forested Other
Urban Agricultural Forested Other
Row Crops Pasture/Hay Total
4% 13% 13% 26% 65% 5%
Site Drainage Area

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) 1986-2015
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 - - - 0.323 NS - - -
TN / 600 FNC -0.674 -0.024 -37 <0.05 Down 0.99 HL Down
FNF -27.89 -1 -38 <0.05 Down 0.99 HL Down
TNOx / 630 FNC -0.298 -0.011 -27 0.07 Down 0.97 HL Down
FNF -11.90 -0.43 -28 0.058 Down 0.97 HL Down
TON / 605 FNC -0.305 -0.011 -46 <0.05 Down 0.99 HL Down
FNF -14.52 -0.52 -49 <0.05 Down 0.99 HL Down
TNH3 / 610 FNC -0.030 -0.0011 -46 <0.05 Down 0.99 HL Down
FNF -1.25 -0.045 -47 <0.05 Down 0.99 HL Down
DN / 602 FNC -0.507 -0.018 -33 <0.05 Down 0.99 HL Down
FNF -19.12 -0.68 -33 <0.05 Down 0.99 HL Down
DNOx / 631 FNC -0.293 -0.01 -27 <0.05 Down 0.99 HL Down
FNF -12.18 -0.43 -28 <0.05 Down 0.99 HL Down
DON / 607 FNC -0.171 -0.0061 -45 <0.05 Down 0.99 HL Down
FNF -5.88 -0.21 -46 <0.05 Down 0.99 HL Down
DNH3 / 608 FNC -0.030 -0.0011 -49 <0.05 Down 0.99 HL Down
FNF -1.19 -0.042 -48 <0.05 Down 0.99 HL Down
TP / 665 FNC -0.041 -0.0015 -42 <0.05 Down 0.99 HL Down
FNF -1.34 -0.048 -30 <0.05 Down 0.99 HL Down
DP / 666 FNC -0.021 -0.00073 -54 <0.05 Down 0.99 HL Down
FNF -0.71 -0.025 -53 <0.05 Down 0.99 HL Down
DOP / 671 FNC 0.005 0.00019 71 0.11 NS 0.95 VL UP
FNF 0.23 0.0081 96 <0.05 Up 1.00 HL UP
TOC / 680 FNC -0.069 -0.0025 -1.9 0.8 NS 0.61 ALAN Down
FNF 2.51 0.09 1.8 0.98 NS 0.51 ALAN UP
SSC / 80154 FNC -17.00 -0.61 -35 <0.05 Down 1.00 HL Down
FNF -1405 -50 -35 0.15 NS 0.93 VL Down