THE PREDICTION MODEL TO HELP PLANNERS SELECT SUITABLE WATER AND WASTE WATER TREATMENT PROCESSES REQUIRES THE INPUT OF CERTAIN TYPES OF DATA. FOR THAT PURPOSE DATA HAS BEEN FORMULATED BY THE FOLLOWING CATAGORIES: 1. BASIC INFORMATION NECESSARY TO USE THE PREDICTIVE MODEL CONSISTING OF DEMOGRAPHIC DATA AND SOCIOECONOMIC DATA; AND 2. PROCESS INFORMATION USED FOR DETAILED ANALYSES OF SPECIFIC TECHNOLOGY. MODIFICATIONS AND IMPROVEMENTS ARE NECESSARY TO KEEP THESE DATA UP TO DATE. THESE DATA ARE FORMATTED FOR COMPLETENESS, EASY COMPARISON, AND EASY REDUCTION BY COMPUTER.