The Tanzanian coastal city of Dar es Salaam receives an annual rainfall of over 1000 mm. Its main rainy seasons are the short rainy season from October to December and the long rainy season from March to May. For quite some time, heavy rainfall that the city receives has been contributing to the occurrences of damaging flash and pluvial floods in the Msimbazi river valley.  The notable floods in the Msimbazi river valley happened in 1997, 2009, 2010, 2011, 2014, 2015, 2017, 2018, 2019, and 2020. These floods damaged buildings, public infrastructure, private properties, and livelihoods; perpetuated the spread of malaria cases, cholera and diarrhoea; and temporarily or permanently displaced thousands of the Msimbazi river valley residents. In particular, the 2011 flooding events claimed 40 lives, injured about 200 people and displaced approximately 10,000 people from about 2,000 households. Given that the city has continued to record flooding events that displace people and destroy personal and public properties, an important question is who is responsible for the persistence occurrences of such harmful flooding events? This paper sets to answer this important question by conducting analysis of data generated from interviews with residents of the Msimbazi river valley and from dedicated online discussions about the flooding of Msimbazi valley at the JamiiForum with the view to underscore the basis and ways through which these residents frame and attribute responsibilities for persistent flooding in Dar es Salaam’s Msimbazi valley.