Ten provinces with most water sold: 2009 - 2011
 2009 
RankProvincesCubic Metre
1Chon Buri95,542,231
2Pathum Thani88,173,244
3Samut Sakhon60,155,808
4Khon Kaen36,015,641
5Songkhla32,417,102
6Chiang Mai30,605,381
7Surat Thani25,627,680
8Chachoengsao24,787,241
9Rayong24,018,032
10Phra Nakhon Si Ayutthaya21,647,583
 Whole Kingdom 
 2010 
RankProvincesCubic Metre
1Chon Buri101,291,586
2Pathum Thani95,691,316
3Samut Sakhon68,292,573
4Khon Kaen39,969,645
5Songkhla35,751,317
6Chiang Mai33,206,796
7Chachoengsao26,433,401
8Surat Thani26,405,655
9Rayong25,917,982
10Phra Nakhon Si Ayutthaya24,020,179
 Whole Kingdom959,613,961
 2011 
RankProvincesCubic Metre
1Chon Buri105,305,980
2Pathum Thani100,421,736
3Samut Sakhon73,100,979
4Khon Kaen40,250,787
5Songkhla35,631,968
6Chiang Mai33,442,239
7Chachoengsao28,460,014
8Rayong26,707,075
9Phra Nakhon Si Ayutthaya26,262,783
10Surat Thani25,626,686
 Whole Kingdom982,386,396
Souce : The Provincial Waterworks Authority
Compiled by : Statistical Forecasting Bureau,  National Statistical Office