Root River at MN-26 Bridge near confluence with Mississippi River (Agency code: RT-3) Descriptive Statistics of Concentration Data (Milligrams/Liter) TN_N NOx_N NHx_N TP_P TSS Cl Total obs. = 142 169 266 263 257 111 Start date = 02/08/79 08/02/76 06/29/67 06/19/58 06/29/67 06/29/67 End date = 09/21/94 09/19/96 09/19/96 07/06/98 07/06/98 09/06/77 Mx smp int days= 154 399 399 2886 1384 160 Mean samp int= 40.5 43.8 40.3 55.8 44.3 33.8 Stdv samp int= 23.8 44.9 37.3 197 89.3 15.5 Mean conc. = 4.11 3.08 0.141 0.263 151.1 9.1 Stdev conc.= 1.62 1.41 0.145 0.462 398.8 9.7 Min conc. = 1.53 0.04 0.010 0.010 1.0 3.0 25% conc. = 2.93 2.00 0.040 0.110 23.0 6.0 Med. conc. = 3.94 3.00 0.120 0.169 68.0 8.0 75% conc. = 5.13 4.00 0.200 0.257 130.0 9.0 Max conc. = 9.80 8.00 1.600 4.900 4090 83.0 Flow summaries are in the LOADEST2 diagnostic information TN_N = Total Nitrogen (as N) (Total Kjeldahl Nitrogen + Nitrate + Nitrite) NOx_N = Nitrate + Nitrite (as N) NHx_N = Total Ammonia (as N) TP_P = Total Phosphorus (as P) TSS = Total Suspended Solids Cl = Total Chloride (as Cl)