The Mnasra region, located within the Gharb Plain of Morocco, is one of the country’s most fertile and agriculturally significant areas. Known for its extensive farming activities, the region produces a wide variety of crops, including cereals, vegetables, and fruits, supporting both local consumption and export markets. However, the intensive agricultural practices in the Mnasra region have led to severe environmental challenges, particularly concerning water quality.

The widespread use of chemical fertilizers, especially nitrogen-based compounds, has resulted in significant nitrate pollution in both groundwater and surface water sources. Nitrate contamination is a serious issue as it poses risks to human health, particularly when found in drinking water, and can lead to conditions such as methemoglobinemia, also known as “blue baby syndrome.” In addition, the high levels of nitrate pollution contribute to the eutrophication of water bodies, degrading aquatic ecosystems and affecting biodiversity.

Studies conducted in the Mnasra region have revealed elevated nitrate concentrations, often exceeding the World Health Organization’s (WHO) safe drinking water limits. The region’s shallow water table and permeable soils exacerbate the problem, allowing nitrates to leach easily into groundwater. Furthermore, inadequate irrigation and water management practices compound the issue, making nitrate pollution a persistent environmental concern in the area.

Efforts are being made to address these challenges through the promotion of sustainable agricultural practices, improved water management, and the development of policies aimed at reducing fertilizer usage. However, the ongoing contamination of water resources remains a critical concern, requiring continuous monitoring and the implementation of effective mitigation strategies.