CONSOLIDATED BALANCE SHEETS (USD $)	Dec. 31, 2011	Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 37,624,179	$ 46,130,237
Restricted cash	7,500,000
Marketable securities	8,496,372
Accounts receivable, net	8,537,232	12,132,730
Inventory	1,451,639	1,434,811
Prepaid expenses and other current assets	1,880,105	2,294,747
Current portion of loans receivable	1,843,600	1,733,799
Total current assets	67,333,127	63,726,324
Property, plant and equipment, net	64,185,110	55,923,731
Construction in progress	141,204	249,300
Inventory, non-current	3,861,470	3,538,912
Loans receivable	10,758,873	12,602,419
Investment in OC-BVI	6,634,598	7,812,523
Intangible assets, net	1,501,824	1,710,737
Goodwill	3,587,754	3,587,754
Other assets	2,855,471	3,049,866
Total assets	160,859,431	152,201,566
Current liabilities
Accounts payable and other current liabilities	4,617,770	4,316,125
Dividends payable	1,156,081	1,152,614
Current portion of long term debt	17,531,134	1,422,991
Total current liabilities	23,304,985	6,891,730
Long term debt	6,852,660	16,883,794
Other liabilities	420,430	442,919
Total liabilities	30,578,075	24,218,443
Consolidated Water Co. Ltd. stockholders' equity
Redeemable preferred stock, $0.60 par value. Authorized 200,000 shares; issued and outstanding 22,427 and 16,784 shares, respectively	13,456	10,070
Additional paid-in capital	81,939,211	81,349,944
Retained earnings	38,030,943	36,289,706
Total Consolidated Water Co. Ltd. stockholders' equity	128,724,827	126,382,956
Non-controlling interests	1,556,529	1,600,167
Total equity	130,281,356	127,983,123
Total liabilities and equity	160,859,431	152,201,566
Common Class A
Consolidated Water Co. Ltd. stockholders' equity
Common stock	$ 8,741,217	$ 8,733,236