Exhibit 12

Casella Waste Systems, Inc.

Statement of Computation of Consolidated Ratios of Earnings to Combined Fixed Charges and Preferred Stock Dividends

(in thousands, except ratios)

	Three Months Ended March 31, 2018			Fiscal Year Ended December 31,									Eight Months Ended December 31, 2014			Fiscal Year Ended April 30,
				2017			2016			2015						2014			2013
Loss from continuing operations before income taxes, discontinued operations and cumulative effect of change in accounting principle	$	(5,498	)	$	(37,052	)	$	(6,364	)	$	(10,430	)	$	(5,107	)	$	(25,511	)	$	(52,509	)
Loss from equity method investments		—			—			—			—			—			936			4,441
Fixed charges		7,686			30,249			43,784			44,667			28,118			41,149			44,394
Less: interest capitalized		(7	)		(295	)		(273	)		(62	)		(333	)		(256	)		(368	)
Earnings	$	2,181		$	(7,098	)	$	37,147		$	34,175		$	22,678		$	16,318		$	(4,042	)
Interest expense (includes amortization of any premium, discount and deferred financing costs)	$	6,454		$	25,160		$	38,942		$	40,420		$	25,639		$	38,175		$	41,570
Estimate of interest within rental expense		1,225			4,794			4,569			4,185			2,146			2,718			2,456
Interest capitalized		7			295			273			62			333			256			368
Fixed charges	$	7,686		$	30,249		$	43,784		$	44,667		$	28,118		$	41,149		$	44,394
Consolidated ratio of earnings to fixed charges		—			—			—			—			—			—			—
Deficiency of earnings to fixed charges	$	(5,505	)	$	(37,347	)	$	(6,637	)	$	(10,492	)	$	(5,440	)	$	(24,831	)	$	(48,436	)
Fixed charges from above	$	7,686		$	30,249		$	43,784		$	44,667		$	28,118		$	41,149		$	44,394
Preferred stock dividends		—			—			—			—			—			—			—
Combined fixed charges and preferred stock dividends	$	7,686		$	30,249		$	43,784		$	44,667		$	28,118		$	41,149		$	44,394
Consolidated ratio of earnings to combined fixed charges and preferred stock dividends		—			—			—			—			—			—			—
Deficiency of earnings to combined fixed charges and preferred stock dividends	$	(5,505	)	$	(37,347	)	$	(6,637	)	$	(10,492	)	$	(5,440	)	$	(24,831	)	$	(48,436	)