CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Jun. 30, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 34,855,601	$ 33,892,655
Marketable securities	8,575,899	8,570,338
Accounts receivable, net	14,450,906	12,516,466
Inventory	1,590,684	1,757,601
Prepaid expenses and other current assets	3,241,097	2,709,185
Current portion of loans receivable	1,782,992	1,812,532
Total current assets	64,497,179	61,258,777
Property, plant and equipment, net	57,581,143	58,993,406
Construction in progress	3,603,878	2,612,800
Inventory, non-current	3,963,258	3,970,241
Loans receivable	8,159,288	9,028,279
Investment in OC-BVI	6,854,775	6,925,346
Intangible assets, net	1,275,556	1,455,015
Goodwill	3,499,037	3,499,037
Investment in land	12,025,566	0
Other assets	2,829,583	2,706,185
Total assets	164,289,263	150,449,086
LIABILITIES AND EQUITY
Accounts payable and other current liabilities	5,291,529	5,867,456
Dividends payable	1,163,728	1,158,967
Current portion of long term debt	1,708,946	1,647,493
Land purchase obligation	10,050,000	0
Total current liabilities	18,214,203	8,673,916
Long term debt	4,335,050	5,205,167
Other liabilities	350,551	435,413
Total liabilities	22,899,804	14,314,496
Equity
Redeemable preferred stock, $0.60 par value. Authorized 200,000 shares; issued and outstanding 39,941 and 30,265 shares, respectively	23,965	18,159
Additional paid-in capital	83,007,617	82,467,421
Retained earnings	47,361,298	42,965,179
Total Consolidated Water Co. Ltd. stockholders' equity	139,178,363	134,206,566
Non-controlling interests	2,211,096	1,928,024
Total equity	141,389,459	136,134,590
Total liabilities and equity	164,289,263	150,449,086
Class A Common Stock [Member]
Equity
Common stock	8,785,483	8,755,807
Common Class B [Member]
Equity
Common stock	$ 0	$ 0