Cannon River at bridge on CSAH-7 near Welch, MN (Agency code: CA-13) Descriptive Statistics of Concentration Data (Milligrams/Liter) TN_N NOx_N NHx_N TP_P TSS Cl Total obs. = 144 158 166 164 179 20 Start date = 02/06/79 10/04/78 04/07/60 06/26/58 01/21/53 01/21/53 End date = 09/08/94 09/18/96 09/18/96 08/22/96 08/22/96 05/31/94 Mx smp int days= 154 413 5726 5726 5726 11E3 Mean samp int= 39.8 41.8 80.7 85.5 89.4 795 Stdv samp int= 22.3 37.0 444 453 438 2617 Mean conc. = 5.08 3.71 0.218 0.300 35.0 15.7 Stdev conc.= 1.88 1.61 0.242 0.436 62.9 17.8 Min conc. = 2.20 0.93 0.020 0.022 0.5 5.0 25% conc. = 3.71 2.60 0.070 0.167 9.0 7.0 Med. conc. = 4.92 3.40 0.120 0.224 19.0 11.5 75% conc. = 6.14 4.60 0.240 0.304 31.0 17.5 Max conc. = 13.30 9.70 1.380 5.240 580.0 88.0 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)