Ten provinces with least water sold: 2009 - 2011   2009   Rank Provinces Cubic Metre 1 Pattani 410,313 2 Uttaradit 482,472 3 Uthai Thani 1,424,509 4 Sing Buri 2,083,010 5 Chai Nat 2,134,961 6 Mae Hong Son 2,189,393 7 Amnat Charoen 2,199,522 8 Nong Bua Lam Phu 2,265,915 9 Lamphun 2,542,262 10 Yala 2,596,064   Whole Kingdom 883,584,951   2010   Rank Provinces Cubic Metre 1 Pattani 421,080 2 Uttaradit 548,932 3 Uthai Thani 1,571,127 4 Sing Buri 2,204,140 5 Chai Nat 2,362,804 6 Nong Bua Lam Phu 2,390,687 7 Mae Hong Son 2,498,573 8 Amnat Charoen 2,501,778 9 Yala 2,740,936 10 Lamphun 2,766,470   Whole Kingdom 959,613,961   2011   Rank Provinces Cubic Metre 1 Pattani 429,294 2 Uttaradit 504,678 3 Uthai Thani 1,456,048 4 Sing Buri 2,132,870 5 Chai Nat 2,298,876 6 Mae Hong Son 2,351,501 7 Nong Bua Lam Phu 2,389,600 8 Amnat Charoen 2,555,746 9 Lamphun 2,707,024 10 Yala 2,888,685   Whole Kingdom 982,386,396 Souce : The Provincial Waterworks Authority Compiled by : Statistical Forecasting Bureau,  National Statistical Office