Occurrence of nitrate in Tanzanian groundwater aquifers: A review

摘要: More than 25 % of Tanzanian depends on groundwater as the main source water for drinking, irrigation and industrial activities. The current trend land use may lead to groundwater contamination thus increasing risks associated with usage contaminated water. Nitrate is one contaminants resulting largely from anthropogenic activities that find its way aquifers threatening quality groundwater. Elevated levels nitrate in human health environmental problems. Tanzania high population growth, poor sanitation facilities fertilizer This paper therefore aimed at providing an overview what extent have altered concentration Tanzania. variable highest values observable Dar es Salaam (up 477.6 mg/l), Dodoma 441.1 mg/l), Tanga (above 100 mg/l) Manyara (180 mg/l). Such can be attributed various including onsite urban centres agricultural rural areas. Furthermore, there are some signs time areas response increased However, reports trends many regions country lacking. For appropriately address issue contamination, a deliberate move determine required, well protection recharge basins improvement systems.