Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Assets
Property, plant and equipment, at cost	$ 4,616,437	$ 4,488,195
Less: accumulated depreciation	1,060,585	1,020,395
Net property, plant and equipment	3,555,852	3,467,800
Current assets:
Cash and cash equivalents	6,917	5,934
Accounts receivable and unbilled revenues, net	93,579	85,881
Income tax receivable	33,600	33,600
Deferred income taxes	18,950
Inventory, materials and supplies	11,794	10,616
Prepayments and other current assets	13,189	10,846
Total current assets	178,029	146,877
Regulatory assets	226,875	217,376
Deferred charges and other assets, net	57,237	65,093
Funds restricted for construction activity	134,411	135,086
Goodwill	40,778	40,234
Total assets	4,193,182	4,072,466
Aqua America stockholders' equity:
Common stock at $.50 par value, authorized 300,000,000 shares, issued 139,105,938 and 138,449,039 in 2011 and 2010	69,552	69,223
Capital in excess of par value	676,888	664,369
Retained earnings	477,574	452,470
Treasury stock, at cost, 703,065 and 673,472 shares in 2011 and 2010	(12,980)	(12,307)
Accumulated other comprehensive income	522	499
Total Aqua America stockholders' equity	1,211,556	1,174,254
Noncontrolling interest	581	572
Total equity	1,212,137	1,174,826
Long-term debt, excluding current portion	1,468,525	1,531,976
Commitments and contingencies
Current liabilities:
Current portion of long-term debt	90,502	28,413
Loans payable	118,884	89,668
Accounts payable	42,708	45,382
Accrued interest	16,930	15,891
Accrued taxes	10,632	16,401
Other accrued liabilities	27,226	27,960
Total current liabilities	306,882	223,715
Deferred credits and other liabilities:
Deferred income taxes and investment tax credits	545,102	478,705
Customers' advances for construction	66,143	66,966
Regulatory liabilities	39,489	35,921
Other	107,122	116,250
Total deferred credits and other liabilities	757,856	697,842
Contributions in aid of construction	447,782	444,107
Total liabilities and stockholders' equity	$ 4,193,182	$ 4,072,466