It is the duty of the City inspector to ascertain and cause all nuisances declared to be such in this chapter to be abated, and the City inspector shall have authority in the daytime to enter any house, stable, store, or any building in order to make a thorough examination of cellars, vaults, sinks or drains; to enter upon all lots and grounds and cause all stagnant waters to be drained off and pools, sinks, vaults, drains, holes or low grounds to be cleaned, filled up or otherwise purified, and to cause all noisome substances to be abated or removed. (1986 Code)