Which site-siting principle reduces contamination risk for latrines?

Which site-siting principle reduces contamination risk for latrines?

• A. Proper siting away from water sources
• B. Locate latrines next to wells
• C. Place latrines in flood-prone areas
• D. Place latrines on steep slopes near water

Answer: (A)

Keeping latrines away from water sources is about protecting water quality. Waste from latrines can contain pathogens that, if the latrine is too close to wells, springs, streams, or flood-prone areas, can reach drinking water through soil leaching or surface runoff, especially during rain. In humanitarian settings this risk is heightened because water sources may be limited and shared, so placing latrines at a safe distance helps minimize contamination of drinking water. Ideally, choose not only distance but also good drainage and higher ground to further reduce runoff toward water sources. Placing latrines next to wells, in flood zones, or on slopes near water increases the chance that contaminants reach water supplies, which is why those options are not protective.

Keeping latrines away from water sources is about protecting water quality. Waste from latrines can contain pathogens that, if the latrine is too close to wells, springs, streams, or flood-prone areas, can reach drinking water through soil leaching or surface runoff, especially during rain. In humanitarian settings this risk is heightened because water sources may be limited and shared, so placing latrines at a safe distance helps minimize contamination of drinking water. Ideally, choose not only distance but also good drainage and higher ground to further reduce runoff toward water sources. Placing latrines next to wells, in flood zones, or on slopes near water increases the chance that contaminants reach water supplies, which is why those options are not protective.