rapid assessment of drinking-water quality in the republic of tajikistan

Table of contents
Foreword....................................................................................................................................................viii
Acknowledgements......................................................................................................................................ix
Acronyms...................................................................................................................................................... x
Executive summary......................................................................................................................................xi
1 Introduction...................................................................................................................................... 1
1.1 The WHO/UNICEF Joint Monitoring Programme for Water Supply and Sanitation................... 1
1.2 Historical water-quality data, the current water-quality surveillance/monitoring system
and national standards in Tajikistan ........................................................................................ 3
2 Methods............................................................................................................................................ 7
2.1 Survey design........................................................................................................................ 7
2.2 Country-specific survey design............................................................................................... 7
2.3 Field implementation and data recording............................................................................... 14
2.4 Data analysis ....................................................................................................................... 15
3 Results............................................................................................................................................ 17
3.1 Microbiological parameters .................................................................................................. 17
3.2 Chemical parameters............................................................................................................ 19
3.3 Aesthetic parameters............................................................................................................ 21
3.4 Overall compliance.............................................................................................................. 25
3.5 Sanitary risk factors ............................................................................................................. 25
3.6 Risk-to-health analysis......................................................................................................... 28
3.7 Analysis of proxy parameters ............................................................................................... 28
3.8 Household water quality....................................................................................................... 29
3.9 Quality control procedures ................................................................................................... 32
4 Conclusions and recommendations................................................................................................ 34
4.1 Drinking-water quality......................................................................................................... 34
4.2 Project management and implementation............................................................................... 35
4.3 Field kits............................................................................................................................. 36
4.4 Added value of the project and potential future uses............................................................... 36
4.5 Suggestions for improving the RADWQ methodology ........................................................... 37
5 References and further reading ...................................................................................................... 38
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