Maquoketa River near confluence with Mississippi River (Agency code: MQ02.1M) 

Descriptive Statistics of Concentration Data (Milligrams/Liter)

                  TN_N     NOx_N     NHx_N      TP_P     SRP_P       TSS        Cl   SiO2_Si
Total obs. =       128       130       131       121        90       128       128       128
Start date =  05/05/93  05/05/93  05/05/93  05/05/93  05/05/93  05/05/93  05/05/93  05/05/93
End date   =  06/17/98  06/17/98  06/17/98  06/17/98  06/17/98  06/17/98  06/17/98  06/17/98
Mx smp int days=    42        28        28        71       386        54        31        31
Mean samp int=    14.7      14.5      14.4      15.6      21.0      14.7      14.7      14.7
Stdv samp int=     3.7       2.7       2.4       7.7      40.4       4.3       3.3       3.3
Mean conc. =      6.84      6.12     0.134     0.360     0.061     176.2      15.9      4.72
Stdev conc.=      2.68      2.30     0.293     0.572     0.089     475.6       3.0      1.26
Min conc.  =      0.71      0.01     0.001     0.001     0.001       2.4       7.6      0.67
25% conc.  =      5.12      4.68     0.020     0.122     0.013      24.2      14.2      4.08
Med. conc. =      6.51      6.01     0.042     0.222     0.031      56.3      15.4      4.73
75% conc.  =      7.74      7.31     0.086     0.372     0.071     135.2      16.9      5.58
Max conc.  =     18.82     12.27     1.720     4.646     0.575      3772      31.6      7.30

Flow summaries are in the LOADEST2 diagnostic information

TN_N    = Total Nitrogen (as N)
NOx_N   = Total Nitrate + Nitrite (as N)
NHx_N   = Dissolved Ammonia (as N)
TP_P    = Total Phosphorus (as P)
SRP_P   = Soluble Reactive Phosphorus (as P)
TSS     = Total Suspended Solids
Cl      = Dissolved Chloride (as Cl)
SiO2_Si = Dissolved Silicon (as Si)