Landfill leachate a new threat to water quality: a case study from the Temperate Himalayas

Landfills are commonly seen as the most cost-efficient and practical approach to waste management in various regions around the world. Nonetheless, the infiltration of hazardous materials from poorly managed dumping sites remains a significant environmental issue in most developing countries such as...

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Bibliographic Details
Published in:Environmental monitoring and assessment 2023-06, Vol.195 (6), p.689-689, Article 689
Main Authors: Islam, Shayesta, Bano, Haleema, Bhat, Javeed Iqbal Ahmad, Aziz, Malik Asif, Bhat, Shahid ul Islam, Nazir, Nageena, Ali, Tahir, Wani, Owais Ali
Format: Article
Language:English
Subjects:
Atmospheric Protection/Air Quality Control/Air Pollution
Body temperature
Calcium
Contamination
Copper
Developing countries
Earth and Environmental Science
Ecology
Ecotoxicology
Environment
Environmental Management
Environmental Monitoring
Environmental science
Groundwater
Hazardous materials
Humans
Iron
Landfill
Landfills
LDCs
Leachates
Magnesium
Manganese
Monitoring/Environmental Analysis
Nitrogen
Ocean dumping
Outflow
Parameters
Physicochemical processes
Refuse Disposal
Seasons
Soil contamination
Soil water
Summer
Surface water
Surface water quality
Surface-groundwater relations
Temperature
Turbidity
Waste Disposal Facilities
Waste disposal sites
Waste management
Water bodies
Water Pollutants, Chemical - analysis
Water pollution
Water Quality
Water sources
Winter
Zinc
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Summary:Landfills are commonly seen as the most cost-efficient and practical approach to waste management in various regions around the world. Nonetheless, the infiltration of hazardous materials from poorly managed dumping sites remains a significant environmental issue in most developing countries such as India. Leachate serves as a prominent point source of contamination in many environmental media like soil, groundwater, and surface water around the world. So the prime issues humans are experiencing are associated with water quality. Thus, the investigation was undertaken to assess the impact of leachate from the Achan landfill on surface water quality in the Temperate Himalayas. Monitoring was done during in all four seasons, viz., spring, summer, autumn, and winter. Among the sites, the leachate outflow site was found to have the highest mean value of pH (7.95), EC (2.16 dS/m), total nitrogen (2.64 mg/l), P (4.75 mg/l), K (1.41 mg/l), Ca (107.45 mg/l), Mg (54.93 mg/l), Zn (0.8 mg/l), Fe (1.78 mg/l), Cu (0.66 mg/l), Mn (0.81 mg/l), BOD (21.47 mg/l), COD (66.24 mg/l), temperature (14.22 °C), turbidity (14.29 NTU), while lowest mean values of all parameters were recorded at control site. Among the seasons, summer season was found to have maximum value of pH (7.9), EC (2.36 dS/m), total nitrogen (2.54 mg/l), P (4.0 mg/l), K (0.89 mg/l), Ca (85.94 mg/l), Mg (43.91 mg/l), Fe (1.4 mg/l), Cu (0.52 mg/l), Mn (0.64 mg/l), BOD (22.82 mg/l), COD (65.87 mg/l), temperature (18.99 °C), and turbidity (8.49 NTU). The maximum mean value of Zn (0.66 mg/l) was recorded during winter season, while other parameters were found to be minimum during winter season. From this study, we concluded that a decreasing trend was observed during all the seasons in the concentration of all physico-chemical parameters with an increase in distance from the landfill. So it is recommended that the leachate should be treated at the source before disposing into the water body and the landfill should be lined properly to prevent the entry of leachate into water sources.
ISSN:0167-6369
1573-2959
DOI:10.1007/s10661-023-11305-7