Management Economic aspects 2 Benchmarking (Management) 1 By-products 1 Disinfection 1 Drought relief 1 Droughts 1 more ... Economic conditions 1 Economic policy 1 Environmental permits 1 Environmental policy 1 Exports 1 Government policy 1 Hospitality industry 1 Imports 1 International trade 1 Maintenance and repair 1 Management information systems 1 Mathematical models 1 Microbial contamination 1 Municipal water supply 1 Natural resources 1 Planning 1 Prices 1 Privatization 1 Purification 1 Rates 1 Regional planning 1 Sanitary engineering 1 Security measures 1 less ...