Any well designed for the supply of water for human consumption which may, after the inspection by the Department of Public Health or its duly authorized representatives, be found to be unwholesome and contaminated with disease germs, is hereby declared to be and constitute a nuisance and dangerous to the public health of the city. The Director of Public Health is hereby authorized and empowered to abate this nuisance, or direct the same to be abated, by destroying the well or in any manner that may, in the opinion of the Director of Public Health, be proper to prevent the further use of the water supply from that well, and any person participating in the abatement proceedings shall incur liability therefor.