Hi There!,

I wish to know how many sewerage plants there are in China.

Hi! Thanks for the interesting question.

According to the Water China website there are currently 400 sewage
plants in China.

Water China 2002
http://www.waterchina.net/water_exh_1_t.htm

Currently there are 1000 sewerage plants being constructed in China.
Sewage Treatment Benefits Health, Commerce
http://216.239.33.100/search?q=cache:j2_EXjvCOcgC:www.sinoprojects.com/English/environmental/NewsOleContent.asp%3FintNewsitem%3D4+China+total+sewage+plants&hl=en


Search terms used
total sewage plants +in China

I hope that this would help you in your research. If you do need
further information please do not hesistate to ask for a
clarification. Thanks for being a part of Google Answers.

Regards,
Easterangel-ga

The best info I could find was dated from 1997.

"As of October 1997, there were only 150 sewage treatment plants in
China,  most of which were constructed after 1988."

Available at - http://www.chinaenvironment.net/sino/sino5/page33.html