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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

From: High heterotrophic counts in potable water and antimicrobial resistance among indicator organisms in two 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