Table 3.
Percentage of point-of-consumption water samples in each contamination category, by water source, sanitation type and water storage status.
| Variable | Category | Ghana |
Bangladesh |
Nepal |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 0 CFU | 1–31 CFU | >31 CFU | 0 CFU | 1–31 CFU | >31 CFU | 0 CFU | 1–31 CFU | >31 CFU | ||
| Water source | Piped to premises | 34.5% | 45.1% | 20.5% | 22.8% | 16.8% | 60.3% | 27.2% | 39.6% | 33.3% |
| Standpipe, tanker or neighbours tap | 13.8% | 29.1% | 57.1% | 44.5% | 25.2% | 30.3% | 11.4% | 44.5% | 44.1% | |
| Tubewell or borehole* |
10.5% | 29.2% | 60.3% | 39.2% | 38.6% | 22.2% | 18.5% | 43.9% | 37.6% | |
| Protected well or spring* | 11.8% | 27.5% | 60.7% | 9.6% | 44.5% | 45.9% | ||||
| Unprotected well or spring | 12.2% | 25.1% | 62.6% | 23.7% | 28.3% | 48.0% | 3.8% | 39.8% | 56.4% | |
| Surface water | 5.1% | 8.4% | 86.6% | 4.6% | 52.5% | 42.9% | 9.1% | 25.7% | 65.2% | |
| Sachet or bottled water | 68.8% | 27.7% | 3.5% | 34.0% | 35.5% | 30.5% | ||||
| Rainwater | 7.1% | 42.3% | 50.6% | |||||||
| Sanitation | Improved | 31.5% | 29.1% | 39.4% | 38.6% | 36.3% | 25.2% | 19.7% | 41.8% | 38.5% |
| Unimproved | 13.6% | 26.9% | 59.5% | 33.3% | 38.3% | 28.4% | 12.6% | 44.9% | 42.6% | |
| Water storage | Not stored | 47.1% | 28.6% | 24.2% | 49.8% | 31.8% | 18.5% | 17.6% | 44.6% | 37.9% |
| Stored in covered vessel or filter | 17.4% | 29.7% | 52.9% | 32.9% | 35.9% | 31.3% | 27.6% | 40.5% | 31.9% | |
| Stored in uncovered vessel | 6.4% | 20.1% | 73.5% | 35.6% | 41.2% | 23.2% | 5.1% | 42.1% | 52.7% | |
For Bangladesh, the water sources “tubewell or borehole” and “protected well or spring” were merged due to a small number of households reporting the latter water source.