Table 3.71. Summary of natural and cultural features of Calcasieu Basin (concluded). 



D2. Total 1974 canal area D4. Estimated sport fishing and hunting supply and 



demand (man-days x 1000) 



Harvest as percent 

 of estimated 

 Supply Demand sustained yield 



109 



329 



127 



86 



89 



Annual volume (m x 10 ) 



Agriculture 

 Municipal 

 Industrial 

 Total 



55.3 



1.4 



57.9 



114.6 



D5. Nutrient and toxin discharges 



Phosphorus (P) loading rates to entire drainage area 



Cultural 



P input 



(g/yrxlO^) 



Natural 



P input 



(g/yrxlO^) 



Total 

 P input 



Urban 

 Industrial 

 Rice 



Non-rice agriculture 

 Total 



30.8 

 0.25 

 715.4 

 4.04 



750.5 



Surface water discharge (m x 10 /yr) 49.8 

 Pload (g/m^/yr) 0.3 



Eutrophic state Dangerous 



Forest 

 Lake 

 Barren land 



43.7 

 1.02 

 0.14 



44.9 



Oil well brine disposal (mbbls) 

 To wells To pits 



3,308.6 50.0 



795.4 



To surface waters 



4,134.6 



Other iroportant pollutants: industrial toxins - heavy loads of organic toxins and heavy metals (Hg, Zn, Cu); 



oyster beds closed each summer due to high coliform counts. 



125 



