Hand-powered reverse osmosis brings safe drinking water to off-grid rural India

Source water conditions reflected the contrasting geographies: Namkhana well water had TDS levels between 685 and 692 mg/L. Udaipur reservoir water …

Source water conditions reflected the contrasting geographies: Namkhana well water had TDS levels between 685 and 692 mg/L. Udaipur reservoir water …

Source: Off-grid water/well

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