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Segment information (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Segment Reporting Information [Line Items]      
Revenues $ 63,822,131 $ 65,450,702 $ 55,154,492
Cost of revenues 40,316,252 43,458,260 36,132,425
Gross profit 23,505,879 21,992,442 19,022,067
General and administrative expenses 15,844,303 14,542,817 13,651,650
Impairment losses 0 521,444 0
Income (loss) from operations 7,661,576 6,928,181 5,370,417
Other income, net 1,486,913 2,695,828 1,181,563
Consolidated net income 9,148,489 9,624,009 6,551,980
Income attributable to non-controlling interests 553,970 308,495 438,762
Net income attributable to Consolidated Water Co. Ltd. stockholders 8,594,519 9,315,514 6,113,218
Property, plant and equipment, net 58,602,886 58,993,406  
Construction in progress 1,450,417 2,612,800  
Goodwill 3,499,037 3,499,037  
Total assets 165,364,854 150,449,086  
Retail [Member]
      
Segment Reporting Information [Line Items]      
Revenues 23,018,498 24,222,895 23,356,338
Cost of revenues 11,023,096 11,548,255 11,496,598
Gross profit 11,995,402 12,674,640 11,859,740
General and administrative expenses 10,812,877 11,304,528 9,102,291
Impairment losses   0  
Income (loss) from operations 1,182,525 1,370,112 2,757,449
Property, plant and equipment, net 26,339,461 24,021,301  
Construction in progress 1,181,628 2,342,248  
Goodwill 1,170,511 1,170,511  
Total assets 115,659,023 63,649,696  
Bulk [Member]
      
Segment Reporting Information [Line Items]      
Revenues 39,960,220 40,758,182 30,757,874
Cost of revenues 28,212,896 31,679,887 24,127,488
Gross profit 11,747,324 9,078,295 6,630,386
General and administrative expenses 1,643,869 1,384,527 1,285,121
Impairment losses   432,727  
Income (loss) from operations 10,103,455 7,261,041 5,345,265
Property, plant and equipment, net 31,736,774 34,308,805  
Construction in progress 98,807 270,552  
Goodwill 2,328,526 2,328,526  
Total assets 42,094,311 83,177,550  
Services [Member]
      
Segment Reporting Information [Line Items]      
Revenues 843,413 469,625 1,040,280
Cost of revenues 1,080,260 230,118 508,339
Gross profit (236,847) 239,507 531,941
General and administrative expenses 3,387,557 1,853,762 3,264,238
Impairment losses   88,717  
Income (loss) from operations (3,624,404) (1,702,972) (2,732,297)
Property, plant and equipment, net 526,651 663,300  
Construction in progress 169,982 0  
Goodwill 0 0  
Total assets $ 7,611,520 $ 3,621,840