CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Retail water revenues	$ 5,869,254	$ 6,554,876	$ 12,435,382	$ 12,928,391
Bulk water revenues	10,212,669	7,774,643	20,281,886	14,941,480
Services revenues	148,856	506,353	242,238	872,621
Total revenues	16,230,779	14,835,872	32,959,506	28,742,492
Cost of retail revenues	2,885,657	3,072,727	5,928,405	5,953,601
Cost of bulk revenues	7,868,487	6,330,567	15,523,939	11,932,934
Cost of services revenues	71,225	181,373	153,903	354,196
Total cost of revenues	10,825,369	9,584,667	21,606,247	18,240,731
Gross profit	5,405,410	5,251,205	11,353,259	10,501,761
General and administrative expenses	3,442,283	3,180,879	6,956,968	6,973,294
Income from operations	1,963,127	2,070,326	4,396,291	3,528,467
Other income (expense):
Interest income	235,460	314,292	450,890	661,951
Interest expense	(206,815)	(343,913)	(590,450)	(694,285)
Other income	44,032	77,593	155,167	141,544
Equity in earnings of OC-BVI	44,823	88,978	101,761	632,472
Other income (expense), net	117,500	136,950	117,368	741,682
Net income	2,080,627	2,207,276	4,513,659	4,270,149
Income attributable to non-controlling interests	123,135	277,614	213,501	347,477
Net income attributable to Consolidated Water Co. Ltd. stockholders	$ 1,957,492	$ 1,929,662	$ 4,300,158	$ 3,922,672
Basic earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders (in dollar per share)	$ 0.13	$ 0.13	$ 0.29	$ 0.27
Diluted earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders (in dollar per share)	$ 0.13	$ 0.13	$ 0.29	$ 0.27
Dividends declared per common share (in dollar per share)	$ 0.075	$ 0.075	$ 0.150	$ 0.150
Weighted average number of common shares used in the determination of:
Basic earnings per share (in shares)	14,579,496	14,558,937	14,574,689	14,557,606
Diluted earnings per share (in shares)	14,603,852	14,595,085	14,598,054	14,597,043