Table 2.

Water quality

	Unfiltered samples (N = 93)	Filtered samples (N = 87)	Stored filtered samples (N = 87)
Fecal contamination (TTC/100 mL)
< 1	9 (9.7%)	66 (75.9%)	49 (56.3%)
1–10	8 (8.6%)	13 (14.9%)	14 (16.1%)
11–100	26 (28.0%)	6 (6.9%)	7 (8.1%)
101–1000	24 (25.8%)	2 (2.3%)	11 (12.6%)
> 1,000	26 (28.0%)	0 (0.0%)	6 (6.9%)
Geometric mean TTC/100 mL	166 (95% CI = 97–286)	1.7 (95% CI = 1.3–2.3)	6.1 (95% CI = 3.5–10.5)
Samples with > 100 TTC/100 mL	50 (53.8%)	2 (2.3%)	17 (19.5%)
Mean log10 removal	N/A	2.0 (95% CI = 1.8–2.2)	1.5 (95% CI = 1.2–1.7)
Samples with > 1 log10 removal	N/A	77 (88.5%)	60 (69.0%)

N/A = not applicable.