When water demand goes down at night, the pump can replace the water in the tower. Also, if the power goes out and the cityâs water pumps fail, the water tower can keep water running smoothly for at least 24 hours.
WI - Wisconsin. 1  NY New York. 2  DC District of Columbia. 3  NC North Carolina.  NM New 1  Mexico. SC South Carolina.  ND North 1  Dakota. NJ New Jersey.  NH New 1  Hampshire. WV West Virginia.  SD 1  South Dakota. RI Rhode  Island. PR 1  Puerto Rico. VI Virgin  Islands. AS American Samoa.
Contact the state of Wisconsin's Office of Quality Assurance within the Department of Health Services by phone at 608.266.8481 or 800.642.6552, email at webmaster@dhfs.state.wi.us, or in writing addressed to the Department of Health Services, P.O. Box 2969, Madison, WI 53701.