1998 to present
Mode of Collection
Census: reports on the fluoridation status of all community water systems.
The Water Fluoridation Reporting System (WFRS) is an online tool that helps states manage the quality of their water fluoridation programs. WFRS information is also the basis for national reports that describe the percentage of the U.S. population who receive fluoridated drinking water through community water systems.
Community water systems in the United States.