Table 1 Proportion of piped water supply source and microbiological acceptability of potable water samples from households in Cattle Colony (CC) and Rehri Goth (RG) peri-urban communities of Karachi, Pakistan
CC | RG | Total | |
|---|---|---|---|
% Piped source | 76 (n = 38) | 34 (n = 17) | 55 (n = 55) |
Median HPC (IQR) | 4004 CFU/mL (1647–5700) | 5700 CFU/mL (2779–5700) | 5700 (1781.5–5700) |
% Microbiologically unacceptable | 92 (n = 46) | 100 (n = 50) | 96 (n = 96) |
% Samples with coliforms isolated | 90 (n = 45) | 94 (n = 47) | 92 (n = 92) |
% Samples with thermotolerant E. coli isolated | 26 (n = 13) | 44 (n = 22) | 35 (n = 35) |
50 | 50 | 100 |