Exhibit 3.577

F0100 - Page 1 of 2	OFFICE OF THE MISSISSIPPI SECRETARY OF STATE
	P.O. BOX 136, JACKSON, MS 39205-0136 (601) 359-1333
	Certificate of Formation

The undersigned, pursuant to Senate Bill No. 2395, Chapter 402, Laws of 1994, hereby executes the following document and sets forth:

1. Name of the Limited Liability Company

ð Jackson County Landfill, LLC

2. The future effective date is
     (Complete if applicable) ___________________________________

3. Federal Tax ID

ð Applied for

4. Name and Street Address of the Registered Agent and Registered Office is

ð Name            C T Corporation System

ð	Physical/Address            c/o C T Corporation System, 631 Lakeland East Drive
ð	P.O. Box ________________________________________________________

ð   City, State, ZIPS, ZIP4 Flowood MS 39232    —

5. If the Limited Liability Company is to have a specific date of dissolution, the latest
     date upon which the Limited Liability Company is to dissolve

ð N/A

6. Is full or partial management of the Limited Liability Company vested in a manager or     managers? (Mark appropriate box)

ð þ   Yes               o   No

7. Other matters the managers or members elect to include

ð	N/A
ð	_______________________________________________________________

Rev. 01/96

F0101 - Page 2 of 2	OFFICE OF THE MISSISSIPPI SECRETARY OF STATE
	P.O. BOX 136, JACKSON, MS 39205-0136 (601) 359-1333
	Certificate of Formation

By:	Signature	/s/ Jo Lynn White	(Please keep writing within blocks)
	Printed Name	Jo Lynn White	Title	Secretary

Street and Mailing Address

ð Physical Address 15880 N. Greenway-Hayden Loop, Suite 100

ð P.O Box

ð      City, State ZIP5, ZIP4 Scottsdale AZ 85260    —

By:	Signature	(Please keep writing within blocks)
	Printed Name	Title

Street and Mailing Address

ð Physical Address

ð P.O. Box

ð      City, State ZIP5 ZIP4 -

Rev. 01/96

Business ID: 722506
Date Filed: 12/04/2008 12:00 PM
        C. Delbert Hosemann, Jr.
Secretary of State

F0101 - Page 1 of 2	OFFICE OF THE MISSISSIPPI SECRETARY OF STATE
	P.O. BOX 136, JACKSON, MS 39205-0136 (601) 359-1333
	Certificate of Amendment

The undersigned corporation pursuant to Senate Bill No. 2395, Chapter 402 Laws of 1994, hereby executes the following Certificate of Amendment and sets forth:

1. Name of the Limited Liability Company

Jackson County Landfill, LLC

2. The future effective date is
     (Complete if applicable)

3. The amendment to the certificate is as follows

Paragraph 6 of the Certificate of Formation is hereby amended in its entirety as follows:

The full management of the Limited Liability Company is not vested in a manager or managers. The full management of the Liability company is vested in its sole member.

By:	Signature	/s/ Jo Lynn White	(Please keep writing within blocks)
	Printed Name	Jo Lynn White	Title: Asst. Secretary of Sole Member

Street and Mailing Address

Physical Address   18500 North Allied Way

P.O. Box

City, State, ZIP5, ZIP4 Phoenix AZ 85054 —

Rev. 01/96

F0101 - Page 2 of 2	OFFICE OF THE MISSISSIPPI SECRETARY OF STATE
	P.O. BOX 136, JACKSON, MS 39205-0136 (601) 359-1333
	Certificate of Amendment

By:	Signature	(Please keep writing within blocks)
	Printed Name	Title

Street and Mailing Address

Physical Address

P.O. Box

City, State, ZIP5, ZIP4     —

Rev. 01/96