Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2016

Valuation and Qualifying Accounts [Abstract]

Schedule II Valuation and Qualifying Accounts

WASTE CONNECTIONS, INC.

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

Years Ended December 31, 2016, 2015 and 2014

(in thousands of U.S. dollars)

			Additions				Deductions
Description	Balance at Beginning of Year		Charged to Costs and Expenses		Charged to Other Accounts		(Write-offs, Net of Collections)		Balance at End of Year
Allowance for Doubtful Accounts:
Year Ended December 31, 2016	$	7,738	$	13,980	$	-	$	(8,558)	$	13,160
Year Ended December 31, 2015		9,175		5,423		-		(6,860)		7,738
Year Ended December 31, 2014		7,348		8,043		-		(6,216)		9,175