Research Article
Rainwater as a Source of Drinking Water: Health Impacts and Rainwater Treatment
Table 2
Average turbidity level in rainwater before and after treatment.
| City/regency area | Subdistrict/village | before treatment (NTU) | after treatment (NTU) | Drinking water requirement |
| Pontianak | Siantan Hulu | 22.261 | 9.839 | 5 NTU | Siantan Tengah | 21.572 | 7.872 | | Kubu Raya | Limbung village | 17.675 | 2.114 | | Kuala Dua village | 18.502 | 2.831 | | Mean | | 20.00 | 5.67 | | Median (min.-max.) | | 18.95 (15.06–26.81) | 2.92 (0.14–14.96) | | SD | | 3.33 | 5.15 | | Pa | ≤0.001 |
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Source: primary data; aT-test ( α = 5%); significant at . |