Section 6(7)(p) in Tamil Nadu Fire Service Rules, 1990
(p)keep himself and his staff acquainted with the water-supply within the area under his charge. In cases, where fire hydrants, fire alarm, underground reservoirs, fire-fighting tube-wells are provided, it shall be his duty to examine, with the help of his staff, those hydrants and water-supply arrangements falling within his jurisdiction periodically as may be fixed, from time to time;