What percentage of Americans purchase or own purified water coolers
and accessories that stand alone or that attach to faucets (i.e.
reverse osmosis and other various types)?  How much is spent on this
stuff in America annually?

<$ Americans spend on water.

38% of consumers use a water treatment device other than bottled
water. (Source: Kinetico.)
http://www.kinetico.com/residntl/survey.htm

Approximately 2 million water treatment devices are sold in Canada and
the USA each year. (Source: Dalton.)
http://www.doulton.ca/chapt6.html

US Consumer water purification equipment 2003
Total $820 million
Point of Entry $325 million
Point of Use $495 million
1998, 2008 figures and growth rates are also given here. (Source: Freedonia.)
http://www.the-infoshop.com/press/fd23272_en.shtml

The point-of-use water treatment market is divided into three segments:
1. bottled water market
2. residential softening and drinking water market
3. industrial market
Total market - $3 billion
Residential market and bottled water market ? $1.8 billion
Industrial market - $1.2 billion.
(Source: Dalton.)
http://www.doulton.ca/chapt4.html

US demand for home water purification will grow by 5.6% annually through 2008.
The home water purification and air cleaning industry is a $1.2 billion market.
(Source: Freedonia.)
http://freedonia.ecnext.com/coms2/summary__0001_002078_000005_000013_0001_1


<Search strategy:>

<"point of use" "water treatment market" billion>
<://www.google.com/search?hl=en&lr=&rls=GGLD%2CGGLD%3A2004-31%2CGGLD%3Aen&q=%22point+of+use%22+%22water+treatment+market%22+billion>

<"point of entry market" "water treatment">
<://www.google.com/search?hl=en&lr=&q=%22point+of+entry+market%22+%22water+treatment%22#>

<"consumer water treatment"  billion>
<://www.google.com/search?hl=en&lr=&rls=GGLD%2CGGLD%3A2004-31%2CGGLD%3Aen&q=%22consumer+water+treatment%22++billion&btnG=Search>


<Hope this helps.>

Thanks! I've got lots of other Qs posted re: Water if you wanna take a
stab at those too :)