Upper Mississippi River Restoration Program

Upper Mississippi River Restoration Program

Long Term Resource Monitoring

 

Water Quality



Comparison of 2016 water quality conditions to normal conditions *

Key: H = very high
  h = high
  . = normal
  l = low
  L = very low
 
Reach Season Stratum TEMP DO COND pH TURB SS VSS CHL TN NOX NHX TP SRP
Pool 4 Winter POOL . . . . . . . . H H . l L
MC . . . . . . . . h h . . .
SC . . . . . . . . H H . . l
BWC . . . . . . . . H H . . .
LP . . . . . . . . H H . l l
Spring POOL . . . . l . . . . . . . l
MC . . . . l l . . . . . . .
SC . . . . . . . . . . . . .
BWC . . . . . . . . . . . . .
LP . . . . . . . . . . . . .
Summer POOL . l . L l l . . . . . . .
MC . l . L l l . . . . . . .
SC . l . L . l . . . . . . .
BWC . l l L l l l l . . . . .
LP . . . l . . . . . . . . .
Fall POOL . . H . . . . . H H . . .
MC . . h . . . . . h h . . .
SC . . h . . h . . h h . . .
BWC . . h . . . . . h H . . .
LP . . H . . . . . H H . . .
  TEMP DO COND pH TURB SS VSS CHL TN NOX NHX TP SRP
Pool 8 Winter POOL . . . . . . . . H H . . .
MC . . . . . . . . H H . . .
SC . . . . . . . . H H . . .
BWC . . . . . . . . h h . . .
IMP . . . . . . . . h h . . .
Spring POOL . . . . l l . . . . . l l
MC . . . . L l l . . . . L .
SC . . . . . l . . . . . . .
BWC . . . . . l . . . . . l l
IMP . . . . l . . . . . . . .
Summer POOL . L . L l l L L . . . . .
MC . L l L . . . . . . . . .
SC . L . L . . . l . . . . .
BWC . . . L . l l l . . . . .
IMP . l . L . l l l . . . . .
Fall POOL . . H . . . . . H H . . .
MC . . H . . . . . H H . . .
SC . . H . . . . . H H . . .
BWC . . h . . . . . H H . . .
IMP . . H . . . . . H H . . .
  TEMP DO COND pH TURB SS VSS CHL TN NOX NHX TP SRP
Pool 13 Winter POOL . . . . . . . . H H . . .
MC . . . . . . . . H H . . .
SC . . . . . . . . . . . . .
BWC . H . . . . . . h h . . .
IMP . . . . . . . . H H . . .
Spring POOL . . . . L . . . . . l L .
MC h . . . L . . . . . . L .
SC . . . . l . . . . . . L .
BWC . . . . l l . . . . . l .
IMP . . . . L . . . . . . l .
Summer POOL . l . L . . . L . . . . .
MC . . l L . . . . . . . . .
SC . l l L . . . . . . . . .
BWC . . . l l l . l . . . l .
IMP . . . . . . . l . . . . .
Fall POOL . . . . . . . . H H l . .
MC . . . . . . . . H H . . .
SC . . . . . . . . h H . . .
BWC . . . . . . . l h h . . .
IMP . . . . . . . . h h . . .
  TEMP DO COND pH TURB SS VSS CHL TN NOX NHX TP SRP
Pool 26 Winter POOL . . . . . . . . H H . . .
MC . . . . . . . . h H . . .
SC . . . . . . . . . H . . .
BWC . . . . . . . . . . . . .
SL H . . . . . . . . . . . h
IMP . . . . . . . . H H . . .
Spring POOL . . . . . . . . . . . l .
MC . . . . . . . . . . . . .
SC . . . . . . . . . . . l .
BWC . . . . . . . . . . . . .
SL . L . . . . . . . . . . .
IMP . . . . . . . . . . . . .
Summer POOL . . . . . . . . . . l . .
MC . . . . . . . . . . . . .
SC . . . . . . . . . . . . .
BWC . . . . . . . . . . . . .
SL . . . . . . . . . . . . .
IMP . . . . . . . . . . . . .
Fall POOL . . . . . . . . . h . . .
MC . . . . . . . . . . . . .
SC . . . . . . . . . . . . .
BWC . . . . . . . . . . . . .
SL . . . . . . . . . . . . .
IMP . . . . H H H H . . . H .
  TEMP DO COND pH TURB SS VSS CHL TN NOX NHX TP SRP
Open River Winter POOL . . . . . . . . . H . . .
MC . . . . . . . . . H . . .
SC . . . . . . . . . H . . .
Spring POOL h . . . H H H . . . l . .
MC h . . . H . H . . . l . .
SC . l . . H H H . . . l H h
Summer POOL . . . . . . . . . . . . .
MC . . . . . . . . . . . . .
SC . . . . . . . . . . . . .
Fall POOL . . . . . . . . H H . . .
MC . . . . . . . . H H . . .
SC . . . . . . . . H H . . .
  TEMP DO COND pH TURB SS VSS CHL TN NOX NHX TP SRP
La Grange Winter POOL . . . . . . . . . . . L l
MC . . . . . . . . . . . l .
SC . . . . . . . . . . . . .
BWC . . . . . . . . . . . . .
Spring POOL . . . . . . . . . . . . .
MC . . . . . . . . . . . . .
SC . . . . . . . . . . . . .
BWC h . . . . . . . l l . . l
Summer POOL . . . l . . . . . . . . .
MC . . . . . . . . . . . . .
SC . . . . . . . . . . . . .
BWC . . . . . . . . . . . . .
Fall POOL . . . . . . . l h h . . .
MC . . l . . . . l . . . l .
SC . . l . . . . . . . . . .
BWC h . . . . . . . h h . . .

*Data acquired over a 15-yr period (1994-2009; data missing in 2003) was used to determine annual 95% upper confidence limits (UCL) and 95% lower confidence limits (LCL) of the mean for each variable/reach/episode/stratum. Estimates of the 95% upper and lower confidence limit for the year of interest (e.g., 2010; a year outside the 15-yr period), along with the median, were compared to the 15-yr annual extremes to determine unusual conditions. Estimates where the median was higher than the highest annual 15-yr UCL or lower than the lowest annual 15-yr LCL were "low" or "high," respectively. Estimates where the LCL was higher than the highest annual 15-yr UCL or the UCL was lower than the lowest annual 15-yr LCL were "very low" or "very high", respectively.

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