Gravity problems | Loss of supply; that water does not reach some areas due to drop in pressure and causes insufficient water quantity. | 3 | 2 | 6 | M | Li: site visits, consumers complain, C: due to gravity many areas are getting little or no water. | ECM: No | 3 | 2 | 6 | M |
Construction activities | Blockages of pipeline with construction debris, breakages of pipeline allowing entry of contamination. | 3 | 2 | 6 | M | Li: site visits, customers complaint C: loss of supply | ECM: No | 3 |
| 6 | M |
4) Consumers | |||||||||||
Unhygienic practice during collection | Introduction of microbial pathogen into water (M) | 3 | 3 | 9 | H | Li: visual inspection during consumers survey (drop of foreign materials into water), water analysis (presence of coliforms in water C: bacterial contamination affects the public health | ECM: No | 3 | 3 | 9 | H |
Collection vessels designed for dipping | Introduction of microbial pathogens from dipping hands (M) | 3 | 3 | 9 | H | Li: consumers questionnaire, site visits, water analysis results (presence of staphylococcus) C: public health concern | ECM: No | 3 | 3 | 9 | H |
Lack of disinfecting storage tanks regularly | Allow algae growth and other microorganisms (M) | 3 | 3 | 9 | H | Li: sanitary inspection visits, consumers survey showed low level of home treatment practices and water analysis showed bacterial growth in tanks (Corynebacteria Specie, Bacillus Albus) C: not disinfecting storage tanks allows the growth of pathogens, thus effects on public health. | ECM: No | 3 | 3 | 9 | H |
Using dipper with short or no handle to collect water | Possible contamination from dirty hands being immersed into water(M) | 3 | 3 | 9 | H | L: visual inspection during site visits, water quality results (presence of Staphylococcus albus in water) C: public health | ECM: No | 3 | 3 | 9 | H |
Storage, and collection points accessible to children | Possible microbiological contamination by children introducing foreign materials into water (M). | 3 | 3 | 9 | H | L: consumers survey, visual inspection, water quality results (showed Escherichia coli in stored water) C: public health concern | ECM: No | 3 | 3 | 9 | H |