ArticleEnvironmental science & technology2012
Implications of fecal bacteria input from latrine-polluted ponds for wells in sandy aquifers.
Article in Environmental science & technology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed.
- Do Sanitation Improvements Reduce Fecal Contamination of Water, Hands, Food, Soil, and Flies? Evidence from a Cluster-Randomized Controlled Trial in Rural Bangladesh.Environmental science & technology · 2018Trial
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- Hotspots of Dissolved Arsenic Generated from Buried Silt Layers along Fluctuating Rivers.Environmental science & technology · 2024Article
- Top 5 Things Health Professions Students Should Know About Ecology and Waste Management.AMA journal of ethics · 2024Article
- Microbial utilization of recently fixed, plant-derived organic carbon in shallow Holocene and Pleistocene aquifers in Bangladesh.Organic geochemistry · 2023Article
- Influence of community-level sanitation coverage and population density on environmental fecal contamination and child health in a longitudinal cohort in rural Bangladesh.International journal of hygiene and environmental health · 2022Article
- Escherichia coli, Species C Human Adenovirus, and Enterovirus in Water Samples Consumed in Rural Areas of Goiás, Brazil.Food and environmental virology · 2022Article
- Electrochemical Disinfection in Water and Wastewater Treatment: Identifying Impacts of Water Quality and Operating Conditions on Performance.Environmental science & technology · 2021Review
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- Human and livestock waste as a reduced carbon source contributing to the release of arsenic to shallow Bangladesh groundwater.The Science of the total environment · 2017Article
- Animal Feces Contribute to Domestic Fecal Contamination: Evidence from E. coli Measured in Water, Hands, Food, Flies, and Soil in Bangladesh.Environmental science & technology · 2017Article
- Enteric Viruses and Fecal Bacteria Indicators to Assess Groundwater Quality and Suitability for Irrigation.International journal of environmental research and public health · 2017Article
- Can Sanitary Inspection Surveys Predict Risk of Microbiological Contamination of Groundwater Sources? Evidence from Shallow Tubewells in Rural Bangladesh.The American journal of tropical medicine and hygiene · 2017Article
- Safe distances between groundwater-based water wells and pit latrines at different hydrogeological conditions in the Ganges Atrai floodplains of Bangladesh.Journal of health, population, and nutrition · 2016Article
- VULNERABILITY OF LOW-ARSENIC AQUIFERS TO MUNICIPAL PUMPING IN BANGLADESH.Journal of hydrology · 2016Article
- Influence of Climate Extremes and Land Use on Fecal Contamination of Shallow Tubewells in Bangladesh.Environmental science & technology · 2016Article
- Dissolved Organic Matter Quality in a Shallow Aquifer of Bangladesh: Implications for Arsenic Mobility.Environmental science & technology · 2015Article
- Importance of Reversible Attachment in PredictingAdvances in water resources · 2014Article
- Transport ofWater resources research · 2013Article
- Unsealed tubewells lead to increased fecal contamination of drinking water.Journal of water and health · 2012Article
Corrections and comments
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Authors and funding
17 authors.
Funding
Abstract
Ponds receiving latrine effluents may serve as sources of fecal contamination to shallow aquifers tapped by millions of tube-wells in Bangladesh. To test this hypothesis, transects of monitoring wells radiating away from four ponds were installed in a shallow sandy aquifer underlying a densely populated village and monitored for 14 months. Two of the ponds extended to medium sand. Another pond was sited within silty sand and the last in silt. The fecal indicator bacterium E. coli was rarely detected along the transects during the dry season and was only detected near the ponds extending to medium sand up to 7 m away during the monsoon. A log-linear decline in E. coli and Bacteroidales concentrations with distance along the transects in the early monsoon indicates that ponds excavated in medium sand were the likely source of contamination. Spatial removal rates ranged from 0.5 to 1.3 log(10)/m. After the ponds were artificially filled with groundwater to simulate the impact of a rain storm, E. coli levels increased near a pond recently excavated in medium sand, but no others. These observations show that adjacent sediment grain-size and how recently a pond was excavated influence the how much fecal contamination ponds receiving latrine effluents contribute to neighboring groundwater.
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Registered trials
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