Table 1. Abbreviated Name and Meaning of Objective Functions 



Name of 

 objective function 



Meaning of items included 



PRIBEN 



PRODUCT 



PRITOT 



PRICOST 



PUBCOST 



SOCCOST 



REVOWAT 



PRINET 



ENVIRONMENTAL 

 QUALITY 



Reflects minimum expenditure by (and opportunity cost) of owners 



and uses of water resources. 



Includes: 



1. Water-based recreation home, tax and amortized value (interest 

 and principal). Reflects minimum owner is willing to pay 

 monthly to own recreation home. 



2. Public park revenue (reflects willingness to pay). 



Returns (value added) to private enterprise. 



1. Value added for farms, forests, water-based industry and private 

 campground and private marinas. 



PRIBEN + PRODUCT 

 Combined benefits 



Private cost of providing water supply and waste-water disposal. 



1. Rural residence water expense (own well and septic tank). 



2. Recreation water expense (same as 1). 



3. Boat treatment of pollution, private treatment of boat pollution. 



4. Village house-water expense: expense to village dwelling for 

 providing own waste-water treatment (septic tank). 



5. Industrial private water expense -as above. 



Public cost of providing water and waste-water disposal. 



1. Recreation public treatment expense (recreation and camp- 

 grounds). 



2. Boat pollution treatment expense. 



3. Urban water-supply treatment expense. 



4. Village water expense. 



5. Industrial public water expense. 



PUBCOST and PRICOST = SOCCOST 



Combined cost in private and public sectors of providing portable 



water and waste-water disposal. 



PRITOT less SOCCOST = REVOWAT 



Net benefits to area. 



PRITOT less PRICOST = PRINET 



Net benefits to private sector. 



Minimum coliform bacteria count or pounds BOD. 



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