SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                        --------------------------------
                                    FORM 6-K
                        REPORT OF FOREIGN PRIVATE ISSUER

                        Pursuant to Rule 13a-16 or 15d-16
                    Under The Securities Exchange Act of 1934

                           For the month of July 2007
                         Commission File Number: 1-13064

                           NOVA Chemicals Corporation
           1000 Seventh Avenue S.W., Calgary, Alberta, Canada, T2P 5L5
           -----------------------------------------------------------
                     (Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports
under cover of Form 20-F or Form 40-F.

          Form 20-F  |_|                              Form 40-F  |X|

Indicate by check mark if the registrant is submitting the Form 6-K in paper as
permitted by Regulation S-T Rule 101(b)(1):
                                           ------------

Indicate by check mark if the registrant is submitting the Form 6-K in paper as
permitted by Regulation S-T Rule 101(b)(7):
                                           ------------

Indicate by check mark whether the registrant by furnishing the information
contained in this Form is also thereby furnishing the information to the
Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

          Yes  |_|                                    No  |X|

If "Yes" is marked, indicate below the file number assigned to the registrant in
connection with Rule 12g3-2(b): 82-N/A.

A copy of the Registrant's:

     (a)  Interim financial statements for the second quarter, three months
          ended June 30, 2007.

is furnished herewith and is incorporated by reference into the following
Registration Statements:

        Registration Statement on Form S-8  #33-47673
        Registration Statement on Form S-8  #333-520
        Registration Statement on Form S-8  #333-9076
        Registration Statement on Form S-8  #333-9078
        Registration Statement on Form S-8  #33-86218
        Registration Statement on Form S-8  #33-77308
        Registration Statement on Form S-8  #333-11280
        Registration Statement on Form S-8  #333-12910
        Registration Statement on Form S-8  #333-101793
        Registration Statement on Form S-8  #333-109424


A copy of the Registrant's:

     (b)  section 302 certification of principal executive officer;
     (c)  section 302 certification of principal financial officer;
     (d)  certification of principal executive officer pursuant to 18 U.S.C. ss.
          1350; and
     (e)  certification of principal financial officer pursuant to 18 U.S.C. ss.
          1350

are furnished herewith.

Controls and Procedures

     (a)  Evaluation of disclosure controls and procedures. Based on our
          management's evaluation (with the participation of our principal
          executive officer and principal financial officer), as of June 30,
          2007, our principal executive officer and principal financial officer
          have concluded that our disclosure controls and procedures (as defined
          in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of
          1934, as amended, (the "Exchange Act")) are effective to ensure that
          information required to be disclosed by us in reports that we file or
          submit under the Exchange Act is recorded, processed, summarized and
          reported within the time periods specified in Securities and Exchange
          Commission rules and forms.

     (b)  Changes in internal controls. There were no changes in our internal
          control over financial reporting that occurred during our fiscal
          quarter ended June 30, 2007 that has materially affected, or is
          reasonably likely to materially affect, our internal control over
          financial reporting.



                                   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, thereunto duly authorized.




                                      NOVA Chemicals Corporation


                                      /s/ Jack S. Mustoe
                                      ------------------------------------------
                                      Jack S. Mustoe
                                      Senior Vice President, Chief Legal Officer
                                      and Corporate Secretary



July 25, 2007




                                    EXHIBITS
                                    --------

Attached hereto is:

     99.1 the interim financial statements of NOVA Chemicals Corporation for the
          second quarter, three months ended June 30, 2007;

     99.2 section 302 certification of principal executive officer;

     99.3 section 302 certification of principal financial officer;

     99.4 certification of principal executive officer pursuant to 18 U.S.C. ss.
          1350; and

     99.5 certification of principal financial officer pursuant to 18 U.S.C. ss.
          1350.