Mezue ahịrịokwu a:
1 Nọvemba 1755 ala ọma jijiji mere obere mmebi na saịtị ahụ. Dabere na akụkọ nke António Manuel de Novais Mendonça (tupu Chaves) na "Memórias Paroquiais", nke ụbọchị 27 Machị 1758, àkwà mmiri ahụ gụnyere ogwe osisi 12 (ebe ọ bụ na n'otu oge e nwere ogwe osisi 18) na "nnukwu na magburu onwe" okwute. Nke a kara akara obodo Madalena ruo Couraças na àkwà mmiri ahụ nwere steepụ geometric 92 n'ogologo, 3 ụkwụ n'obosara. Ihe osise nke 1762 nke àkwà mmiri ahụ gosipụtara ya na ogwe aka 12 na 1762, na-enweghị ihe ọ bụla e ji chọọ ya mma na ogidi ya abụọ n'akụkụ obodo nke osimiri ahụ.