This category is within the scope of WikiProject Africa, a collaborative effort to improve the coverage of Africa on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.AfricaWikipedia:WikiProject AfricaTemplate:WikiProject AfricaAfrica
This category is within the scope of WikiProject Sanitation, a collaborative effort to improve the coverage of Sanitation on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.SanitationWikipedia:WikiProject SanitationTemplate:WikiProject Sanitationsanitation
This category is within the scope of WikiProject Water, a collaborative effort to improve the coverage of Water supply-related subjects on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.WaterWikipedia:WikiProject WaterTemplate:WikiProject WaterWater
Start a discussion about improving the Category:Water supply and sanitation in Tanzania page