Enhancing Water Quality Surveillance: A Comparative Analysis of Water Testing Portable Microbiological Lab and the Colilert Quanti-Tray 2000: https://dx.doi.org/10.4314/ajhs.v36i3.7. AJHS. 2023;36(3). Accessed April 15, 2026. https://ojs.ajhsjournal.or.ke/index.php/home/article/view/127