Current Report on Form 8-K



UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

     

Form 8-K
CURRENT REPORT

     
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) July 29, 2004
     

SOUTHWEST GAS CORPORATION
(Exact name of registrant as specified in its charter)

     
California
(State or other jurisdiction of
incorporation or organization)


5241 Spring Mountain Road
Post Office Box 98510
Las Vegas, Nevada
(Address of principal executive offices)
 1-7850
(Commission
File Number) 		88-0085720
(I.R.S. Employer
Identification No.)


89193-8510
(Zip Code)


Registrant's telephone number, including area code: (702) 876-7237





Item 12. Results of Operations and Financial Condition.

On July 29, 2004, Southwest Gas Corporation (the Company) released summary financial information to the general public, including the investment community, regarding the Company’s operating performance for the quarter, six, and twelve months ended June 30, 2004. A copy of the Company’s press release and summary financial information is attached hereto as Exhibit 99.

This Form 8-K and the attached exhibit are provided under Item 12 of Form 8-K and are furnished to, but not filed with, the Securities and Exchange Commission.




SIGNATURES



Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.








Date:  July 29, 2004 		SOUTHWEST GAS CORPORATION



/s/ ROY R. CENTRELLA
Roy R. Centrella
Vice President/Controller and
Chief Accounting Officer




EXHIBIT INDEX



Exhibit
    No.    		   Description

99   Press Release and summary financial information dated July 29, 2004.