Ifeoma Linda Onyekwelu and Daniel Chukwuemeka Ozoko 2026. ASSESSING THE NUTRIENT CHARACTERISTICS AND COLIFORM STATUS OF SHALLOW HAND DUG WELL WATER IN OKPUNO-AWKA, SOUTHEASTERN NIGERIA. International Journal of Earth & Environmental Sciences (IJEES). 11, 1 (Feb. 2026), 26–40. DOI:https://doi.org/10.58885/ijees.v11i1.26.ilo.