Groundwater NO3 concentration and its potential health effects in Beni Moussa perimeter (Tadla plain, Morocco)

In this research, the concentrations of nitrates were investigated in well water sampled from the irrigated perimeter of Beni Moussa (Tadla plain, Morocco), and human health risks via ingestion and dermal pathways for individuals in different age brackets were assessed using the chronic daily intake...

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Bibliographic Details
Published in:Geoenvironmental disasters 2020-04, Vol.7 (1), p.1-11, Article 14
Main Author: Barakat, Ahmed
Format: Article
Language:English
Subjects:
Anthropogenic factors
Aquifers
Assessment
Beni Moussa irrigated perimeter
Brackets
Carcinogens
Domestic wastewater
Drinking water
Earth and Environmental Science
Earth Sciences
Environment
Environmental management
Environmental Science and Engineering
Geoecology/Natural Processes
Geography
Groundwater
Groundwater quality
Health risk assessment
Health risks
Human influences
Industrial plants
Industrial wastewater
Infants
Ingestion
Natural Hazards
Nitrates
NO3 contamination
Population density
Public health risks
Receptors
Skin
Spatial variations
Wastewater
Water analysis
Water quality
Water sampling
Well water
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Summary:In this research, the concentrations of nitrates were investigated in well water sampled from the irrigated perimeter of Beni Moussa (Tadla plain, Morocco), and human health risks via ingestion and dermal pathways for individuals in different age brackets were assessed using the chronic daily intake, the dermal absorbed dose and hazard index (HI). The results showed that the groundwater NO 3 contents were between 4.20 to 80.46 mg L − 1 , with an average of 32.11 mg L − 1 , indicating anthropogenic inputs caused by the infiltration of nitrates not consumed by plants or surface industrial and domestic wastewater into the shallow aquifer. Compared to the Moroccan standard, 17.78%, 40.00%, 37.78% and 4.44% of sampled wells showed poor, fair, good or excellent quality, respectively. For non-carcinogenic risk, the oral ingestion of nitrate appeared to be the main exposure pathway for local human receptors causing the high non-carcinogenic risk, and the dermal exposure met within the accepted precautionary criterion. Infants in the study area are more likely to experience adverse effects to higher nitrate level in groundwater (3.04E-01 
ISSN:2197-8670
2197-8670
DOI:10.1186/s40677-020-00149-9