Table 4. Nutrient comparisons between Lost Creek and Clark Fork River 



Clark Fork River below Warm Springs 



1989 



SRP 



(mg/1) 



TP 



(mg/1) 



Nitrate 

 (mg/1) 



TKN 



(mg/1) 



TN 



(mg/1) 



Discharge TN Load 

 (cfs) (kg/day) 



TP Load 

 (kg/day) 



Nitrate Load 

 (kg/day) 



Mean 

 Max. 

 Min. 



0.014 

 0.027 

 0.003 



0.057 

 0.079 

 0.028 



0.046 

 0.070 

 0.030 



0.500 

 1.300 

 0.200 



0.546 

 1.340 

 0.230 



137 

 219 

 30 



172 

 498 



47 



36 

 6 



15 



22 

 i 



1990 



Mean 

 Max. 

 Min. 



0.027 

 0.053 

 0.017 



0.053 

 0.077 

 0.038 



0.032 

 0.050 

 0.010 



0.400 

 0.500 

 0.300 



0.432 

 0.510 

 0.350 



111 

 238 

 23 



111 



244 

 29 



13 



25 



3 



9 



20 



1999 



Mean 

 Max. 

 Min. 



0.011 

 0.019 

 0.003 



0.037 

 0.066 

 0.011 



0.060 

 0.100 

 0.030 



0.222 

 0.380 

 0.130 



0.282 

 0.450 

 0.160 



226 

 373 

 87 



160 

 301 

 34 



21 

 43 

 5 



39 

 91 

 6 



Lost Creek at Frontage 



1989 



SRP 



TP 



Nitrate 



TKN 

 (mg/1) 



TN 



Discharge 



TNLoad 



(kg/day) 



TPLoad 



(kg/day) 



Nitrate Load 

 (kg/day) 



Mean 

 Max. 

 Min. 



0.006 

 0.017 

 0.002 



0.023 

 0.036 

 0.013 



0.110 

 0.300 

 0.010 



0.486 

 1.300 

 0.200 



0.596 

 1.600 

 0.220 



15 



35 



2 



31 

 138 



1 



1 



3 

 



6 



26 

 



1990 



Mean 

 Max. 

 Min. 



0.005 

 0.008 

 0.003 



0.014 

 0.019 

 0.010 



0.104 

 0.280 

 0.005 



0.283 

 0.300 

 0.200 



0.388 

 0.580 

 0.305 



12 

 24 

 5 



12 

 23 

 4 







1 

 



4 

 11 

 



1999 



Mean 

 Max. 

 Min. 



0.004 

 0.005 

 0.003 



0.012 

 0.017 

 0.004 



0.179 

 0.550 

 0.030 



0.290 

 0.470 

 0.120 



0.469 

 0.740 

 0.240 



15 

 30 

 6 



19 

 49 

 4 



9 

 40 



1 



20 



