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Water Fluoridation Statistics for 2006
This table presents the water fluoridation statistics for the nation. and
by state for the year 2006. This data was prepared using the Intercessional
Census of 2006 with water system data reported by states to the CDC Water
Fluoridation Reporting System as of December 31, 2006.
| Total U.S. Population, personsa |
299,398,484 |
| U.S. Population on Public Water Systems, personsb |
262,690,043 |
| Total U.S. Population on fluoridated drinking water
systems, personsb |
184,028,038 |
| Percentage of U.S. .population receiving fluoridated
waterc |
61.5% |
Percentage of U.S. population on public water
systems receiving
fluoridated waterd |
69.2% |
| Total number of Community Water Systems (CWS) in
United Statesb |
53,429 |
| Number of CWS providing fluoridated waterb |
16,412 |
| Number of CWS adjusting fluorideb |
6,368 |
| Number of CWS consecutive to systems with optimal
fluoride levelsb |
6,705 |
| Number of CWS with naturally occurring fluoride at
or above optimal levelsb |
3,339 |
| Population served by CWS with naturally occurring
fluorideb |
8,078,890 |
| State |
% |
Persons receiving fluoridated water |
Persons served
by CWS |
|
State |
Rank |
| United States |
69.2 |
184,028,038 |
265,794,252 |
|
Kentucky |
1 |
| Alabamaf |
82.9 |
3,814,295f |
4,599,030f |
|
Illinois |
2 |
| Alaska |
59.5 |
308,801 |
519,379 |
|
Minnesota |
3 |
| Arizonag |
56.1 |
3,147,245 |
5,611,581 |
|
North Dakota |
4 |
| Arkansas |
64.4 |
1,648,317 |
2,561,312 |
|
Georgia |
5 |
| California |
27.1h |
9,881,390f |
36,457,549f |
|
Indiana |
6 |
| Coloradof |
73.6 |
3,085,319 |
4,190,698 |
|
South Dakota |
Tied for
7 |
| Connecticut |
88.9 |
2,393,487 |
2,691,412 |
|
Virginia |
Tied for
7 |
| Delawaref |
73.6 |
603,207 |
819,176 |
|
South Carolina |
9 |
| District of Columbia |
100.0 |
581,530f |
581,530f |
|
Maryland |
10 |
| Florida |
77.7 |
13,006,128 |
16,729,803 |
|
Tennessee |
11 |
| Georgia |
95.8 |
8,974,302f |
9,393,941f |
|
Iowa |
12 |
| Hawaii |
8.4h |
107,684f |
1,285,498f |
|
West Virginia |
13 |
| Idahog |
31.3 |
316,350 |
1,011,949 |
|
Michigan |
14 |
| Illinois |
98.9 |
11,355,747 |
11,484,994 |
|
Wisconsin |
15 |
| Indianaf |
95.1 |
4,327,916 |
4,550,057 |
|
Ohio |
16 |
| Iowa |
92.4 |
2,363,277 |
2,558,575 |
|
Connecticut |
17 |
| Kansas |
65.1 |
1,669,657 |
2,563,505 |
|
North Carolina |
18 |
| Kentucky |
99.8 |
4,199,519f |
4,206,074f |
|
Rhode Island |
19 |
| Louisiana |
40.4 |
1,731,807f |
4,287,768f |
|
Alabama |
20 |
| Mainef |
79.6 |
501,290 |
630,136 |
|
Missouri |
21 |
| Maryland |
93.8 |
4,549,055 |
4,847,653 |
|
Maine |
22 |
| Massachusettsf |
59.1 |
3,802,732f |
6,437,193f |
|
Texas |
23 |
| Michigan |
90.9 |
6,664,706 |
7,335,365 |
|
Florida |
24 |
| Minnesota |
98.7 |
3,905,754 |
3,956,659 |
|
New Mexico |
25 |
| Mississippi |
50.9 |
1,480,601f |
2,910,540f |
|
Colorado |
Tied for
26 |
| Missourif |
79.7 |
3,928,100 |
4,928,689 |
|
Delaware |
Tied for
26 |
| Montanag |
31.3 |
248,850 |
794,563 |
|
Oklahoma |
28 |
| Nebraskaf |
69.8 |
991,292 |
1,420,624 |
|
New York |
29 |
| Nevadaf |
72.0 |
1,744,984 |
2,422,152 |
|
Nevada |
30 |
| New Hampshire |
42.6 |
354,637 |
832,656 |
|
Nebraska |
31 |
| New Jerseyg |
22.6 |
1,771,324 |
7,839,608 |
|
Kansas |
32 |
| New Mexico |
77.0 |
1,207,034 |
1,567,857 |
|
Arkansas |
33 |
| New York |
72.9 |
12,733,582 |
17,471,590 |
|
Washington |
34 |
| North Carolina |
87.6 |
5,689,906 |
6,498,294 |
|
Alaska |
35 |
| North Dakota |
96.2 |
552,785 |
574,346 |
|
Massachusetts |
36 |
| Ohiof |
89.3 |
8,948,975 |
10,021,630 |
|
Vermont |
37 |
| Oklahomaf |
73.5 |
2,493,521 |
3,392,725 |
|
Arizona |
38 |
| Oregong |
27.4 |
839,727 |
3,069,204 |
|
Utah |
39 |
| Pennsylvania |
54.0 |
5,610,873 |
10,390,234 |
|
Pennsylvania |
40 |
| Rhode Islandf |
84.6 |
826,863 |
977,261 |
|
Mississippi |
41 |
| South Carolina |
94.6 |
3,355,873 |
3,545,617 |
|
New Hampshire |
42 |
| South Dakotaf |
95.0 |
657,022 |
691,333 |
|
Louisiana |
43 |
| Tennessee |
93.7 |
4,889,987 |
5,220,410 |
|
Wyoming |
44 |
| Texas |
78.1 |
16,979,975 |
21,731,824 |
|
Idaho |
Tied for
45 |
| Utah |
54.3 |
1,216,980 |
2,242,897 |
|
Montana |
Tied for
45 |
| Vermontf |
58.7 |
310,953 |
529,441 |
|
Oregon |
47 |
| Virginia |
95.0 |
5,830,328 |
6,135,847 |
|
California |
48 |
| Washington |
62.9 |
3,542,948 |
5,628,782 |
|
New Jersey |
49 |
| West Virginiaf |
91.7 |
1,247,301 |
1,360,193 |
|
Hawaii |
50 |
| Wisconsinf |
89.7 |
3,471,706 |
3,868,775 |
|
|
|
| Wyomingf |
36.4 |
162,396 |
446,323 |
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Footnotes
a. Annual Population Estimates and Estimated Components of Population
Change for the United States and States: April 1, 2000 to July 1, 2006
Source: Population Estimates Program, U.S. Bureau of the Census. Internet
Release date: 12–22–06 Population, Population change and estimated
components of population change: April 1, 2000 to July 1, 2006 available at
http://www.census.gov/popest/datasets.html.
b. Reported in CDC Water Fluoridation Reporting System.
c. Fluoridated population divided by total population.
d. Fluoridated population divided by population served by community water
systems.
e. Changes over time are due in part to improvements in the quality and
accuracy of WFRS data.
f . Population served by CWS exceeded the U.S. Census intercensal state
population estimate; number of persons was reduced by the ratio of the
intercensal population estimate to the CWS population estimate.
g. Changes over time are due in part to improvements in WFRS data for CWS
with naturally occurring fluoride concentrations.
h. Complete data were not available from WFRS; State provided additional
information.
Page last reviewed: October 20, 2008
Page last modified: September 17, 2008
Content source:
Division of Oral Health, National Center for Chronic Disease Prevention and
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