Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Whitney Mary Anne
 2. Date of Event Requiring Statement (Month/Day/Year)
03/01/2012		 3. Issuer Name and Ticker or Trading Symbol
WASTE CONNECTIONS, INC. [WCN]
(Last)
(First)
(Middle)
10001 WOODLOCH FOREST DRIVE, SUITE 400		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice President - Finance
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

THE WOODLANDS, TX 77380		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 4,176
D
 
Common Stock 300 (1)
D
 
Common Stock 767 (2)
D
 
Common Stock 957 (3)
D
 
Common Stock 2 (4)
D
 
Common Stock 3 (5)
D
 
Common Stock 1,133 (6)
D
 
Common Stock 6,814 (7)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Whitney Mary Anne
10001 WOODLOCH FOREST DRIVE
SUITE 400
THE WOODLANDS, TX 77380		       Vice President - Finance  

Signatures

Mary Anne Whitney 03/09/2012
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) This represents restricted stock units originally awarded 2/5/08. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. Subject to the reporting person's continued service with issuer, the remainder of the award shall vest and the underlying shares of common stock shall be issued in one installment on 2/5/13.
(2) This represents restricted stock units originally awarded 2/11/09. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. Subject to the reporting person's continued service with issuer, the remainder of the award shall vest and the underlying shares of common stock shall be issued in two installments commencing on 2/11/13.
(3) This represents restricted stock units originally awarded 2/11/10. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. Subject to the reporting person's continued service with issuer, the remainder of the award shall vest and the underlying shares of common stock shall be issued in two installments commencing on 2/11/13.
(4) This represents restricted stock units originally awarded 11/12/10. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. Subject to the reporting person's continued service with issuer, the remainder of the award shall vest and the underlying shares of common stock shall be issued in two installments commencing on 2/11/13.
(5) This represents restricted stock units originally awarded 11/12/10. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. Subject to the reporting person's continued service with issuer, the remainder of the award shall vest and the underlying shares of common stock shall be issued in two installments commencing on 2/11/13.
(6) This represents restricted stock units originally awarded 2/11/11. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. Subject to the reporting person's continued service with issuer, the remainder of the award shall vest and the underlying shares of common stock shall be issued in three installments commencing on 2/11/13.
(7) This represents restricted stock units originally awarded 2/10/12. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. Subject to the reporting person's continued service with issuer, the remainder of the award shall vest and the underlying shares of common stock shall be issued in four installments commencing on 2/10/13.

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