Background: Consumption of vegetable plays important role in human health. Above 60% of Addis Ababa, vegetable demand is covered by smallholder farmers who grow various vegetables by using the Akaki River as their main water source for irrigation. However, applying faecally contaminated water for irrigation could expose fresh vegetable consumers to many health problems. Therefore, this study aimed to evaluate the microbial contamination of irrigation water and freshly produced vegetables. The study assessed the quality of Akaki river water and vegetables. Fresh vegetables including Ethiopian Kale, Lettuce, Cabbage, and Spinach were collected from 14 farmlands, irrigated with Akaki River water, in the dry and wet seasons. Using standard methods, analysis of E.coli, Non-E.coli, Total coliform, fecal coliform, and Total Aerobic Plate Count were done among the Akaki River water and vegetables. Result: The finding of the study indicated that all fresh vegetables were contaminated with total coliforms, fecal coliforms, and Total aerobic in the dry and wet seasons. The overall mean count of E. coli and Non-E. Coli from water samples were 2.09 and >3.48 log10 CFU 10 mL−1. The mean count of TC, FC, and TAC on sampled vegetables were 3.22, 1.37, and 4.72 in the dry season, and 3.87, 2.57, and 5.09 log10 CFU per gram in the wet season, respectively.Conclusion: The Akaki River has been contaminated with non-E. Coli & E. coli coliforms and did not meet the WHO guideline criteria for safe irrigation. The microbial contamination of vegetables was found high and exceeded the HACCPTQM and ICMSF limit values for safe consumption. This calls for farmers and the consumer has to insist on properly processed/stored/sliced fresh vegetables needs to be aware.

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