Wapsipinicon River near confluence with Mississippi River (Agency code: WP02.6M) 

Descriptive Statistics of Concentration Data (Milligrams/Liter)

                  TN_N     NOx_N     NHx_N      TP_P     SRP_P       TSS        Cl   SiO2_Si
Total obs. =       128       132       132       123        94       129       130       130
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   =  06/18/98  06/18/98  06/18/98  06/18/98  06/18/98  06/18/98  06/18/98  06/18/98
Mx smp int days=    39        22        22        71       381        57        29        29
Mean samp int=    14.7      14.3      14.3      15.3      20.1      14.6      14.5      14.5
Stdv samp int=     3.2       1.6       1.6       6.2      39.0       4.1       2.4       2.4
Mean conc. =      5.70      4.67     0.101     0.284     0.034     159.6      18.4      3.32
Stdev conc.=      2.72      2.92     0.179     0.430     0.059     625.3       5.3      1.93
Min conc.  =      0.97      0.07     0.001     0.032     0.001       1.5       8.7      0.01
25% conc.  =      3.71      2.00     0.020     0.106     0.002      25.2      15.6      1.82
Med. conc. =      5.60      5.07     0.045     0.194     0.014      73.0      18.3      3.99
75% conc.  =      7.33      6.30     0.085     0.304     0.035     124.3      20.8      4.77
Max conc.  =     13.10     11.45     1.390     3.500     0.296      6966      53.0      6.62

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)