Vermillion River near confluence with Mississippi River (Agency code: VM00.1M) Descriptive Statistics of Concentration Data (Milligrams/Liter) TN_N NOx_N NHx_N TP_P SRP_P TSS Cl SiO2_Si Total obs. = 148 156 156 143 154 118 155 154 Start date = 06/11/91 06/11/91 06/11/91 06/11/91 06/11/91 04/28/93 06/11/91 06/11/91 End date = 05/21/98 06/19/98 06/19/98 05/21/98 06/19/98 06/19/98 06/19/98 06/19/98 Mx smp int days= 76 41 41 70 41 41 41 41 Mean samp int= 17.3 16.5 16.5 17.9 16.8 16.1 16.7 16.8 Stdv samp int= 8.5 5.6 5.6 9.0 5.8 5.1 5.7 5.8 Mean conc. = 3.91 2.83 0.109 0.205 0.076 26.2 22.5 6.69 Stdev conc.= 1.38 1.12 0.196 0.092 0.069 17.9 6.0 2.09 Min conc. = 1.47 0.01 0.001 0.025 0.001 1.7 0.0 0.15 25% conc. = 3.09 2.05 0.022 0.142 0.031 6.7 18.2 5.54 Med. conc. = 3.70 2.78 0.060 0.191 0.062 25.0 22.4 6.91 75% conc. = 4.32 3.58 0.124 0.257 0.109 41.0 27.2 8.10 Max conc. = 10.54 5.75 1.590 0.800 0.559 68.6 37.1 11.80 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)