Regulatory Assets and Liabilities

Regulatory assets and liabilities were comprised of the following as of June 30, 2016 and December 31, 2015:



	June 30, 2016		December 31, 2015
Regulatory Assets
Pension and retiree group health	$	205,285	$	205,614
Property-related temporary differences (tax benefits flowed through to customers)	81,522		81,522
Other accrued benefits	28,058		27,327
Net WRAM and MCBA long-term accounts receivable	14,716		15,410
Asset retirement obligations, net	15,329		14,682
Interim rates long-term accounts receivable	4,697		5,238
Tank coating	8,036		6,829
Health care balancing account	3,809		3,503
Other regulatory assets	1,869		1,768
Total Regulatory Assets	$	363,321	$	361,893

Regulatory Liabilities
Future tax benefits due to customers	$	29,505	$	29,505
Conservation program	2,673		2,317
Pension balancing account	3,159		792
Net WRAM and MCBA long-term payable	5,656		488
Other regulatory liabilities	2,955		2,162
Total Regulatory Liabilities	$	43,948	$	35,264

Short-term regulatory assets and liabilities are excluded from the above table. The short-term regulatory assets were $26.5 million as of June 30, 2016 and $35.1 million as of December 31, 2015. The short-term regulatory assets were primarily interim rate memorandum account receivable and net WRAM and MCBA accounts receivable as of June 30, 2016 and December 31, 2015. The short-term portions of regulatory liabilities were $2.7 million as of June 30, 2016 and $2.2 million as of December 31, 2015. The short-term regulatory liabilities were primarily short term net WRAM payables as of June 30, 2016. The short-term regulatory liabilities were primarily short term net WRAM payables and net refund balances to rate payers for the water conservation program from the 2009 General Rate Case (GRC) as of December 31, 2015.