<p>Overall prevalence of detectable viral load (&gt;50 copies/ml) among HIV clients on ART was 18.9% among whom 54.2% were females;10.3% had viral load copies above 1000copies/ml and 53.1% were also females. Being young from 0-17 years [Adjusted ODDS ratio-AOR 2.1:CI (1.2-2.5)], being divorced AOR 1.4:CI (1.2-6.2)], history of treatment interruption [AOR 2.8:CI (1.3-6.2)], mobile occupation [AOR 2.6:CI (1.1-4.1)] and lack of knowledge on the meaning and impact of detectable viral-load on HIV transmission risk [AOR 1.3:CI (1.1-4.1)] were significantly risk factors for detectable viral load. HIV disclosure to spouse, and community [AOR 0.3:CI (0.09-0.9)] was a significant protective factor.</p>