As filed with the Securities and Exchange Commission
                                on June 28, 1999

                                                     Registration No.  333-52717
- --------------------------------------------------------------------------------
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                       ----------------------------------
                         POST-EFFECTIVE AMENDMENT NO. 4
                                       ON
                                    FORM S-8
                                       TO
                                    FORM S-4
                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933
                        ---------------------------------


                        UNITED STATES FILTER CORPORATION
             (Exact name of registrant as specified in its charter)

DELAWARE               3589                    33-0266015
- --------               ----                    ----------
(State or other        (Primary Standard       (I.R.S. Employer
jurisdiction           Industrial              Identification
of incorporation       Classification          No.)
or organization)       Code Number)

                               40-004 COOK STREET
                          PALM DESERT, CALIFORNIA 92211
                                 (760) 340-0098
    (Address, including zip code, and telephone number, including area code,
                  of registrant's principal executive offices)

                            -------------------------

                               STEPHEN P. STANCZAK
                            EXECUTIVE VICE PRESIDENT,
                     GENERAL COUNSEL AND CORPORATE SECRETARY
                        UNITED STATES FILTER CORPORATION
                               40-004 COOK STREET
                          PALM DESERT, CALIFORNIA 92211
                                 (760) 340-0098
    (Name, address, including zip code, and telephone number, including area
                           code, of agent for service)
                            -------------------------

                                    Copy to:
                                JANICE C. HARTMAN
                           KIRKPATRICK & LOCKHART LLP
                              1500 OLIVER BUILDING
                         PITTSBURGH, PENNSYLVANIA 15222
                                 (412) 355-6500


If the securities  being registered on this Form are being offered in connection
with the  formation of a holding  company and there is  compliance  with General
Instruction G, check the following box. / /

If this Form is filed to register additional securities for an offering pursuant
to Rule 462(b) under the  Securities  Act,  check the following box and list the
Securities  Act  registration   statement   number  of  the  earlier   effective
registration statement for the same offering. / /

If this Form is a  post-effective  amendment filed pursuant to Rule 462(d) under
the  Securities  Act,  check  the  following  box and  list the  Securities  Act
registration  statement number of the earlier effective  registration  statement
for the same offering. /  /





                                EXPLANATORY NOTE

      Pursuant  to a  Registration  Statement  on  Form  S-4  (Registration  No.
333-52717) (the "Registration  Statement"),  United States Filter Corporation, a
Delaware  corporation (the  "Registrant"),  offered for sale 1,716,966 shares of
its common stock,  par value $.01 per share  ("Common  Stock").  The  Registrant
hereby amends the Registration Statement by filing this Post-Effective Amendment
No. 4.

      On April 29, 1999,  pursuant to an Agreement and Plan of Merger,  dated as
of  March  22,  1999,  EAU  Acquisition  Corp.,  a  Delaware  corporation  and a
subsidiary of Vivendi, a societe anonyme organized under the laws of France (the
"Parent"),  merged  (the  "Merger")  with  and  into  the  Registrant,  with the
Registrant surviving as a wholly-owned subsidiary of the Parent.

      As a result of the  Merger, the  offering  described  in the  Registration
Statement  has been  terminated.  This  Post-Effective  Amendment is being filed
solely to remove from  registration  1,716,966  shares of Common  Stock  offered
under the Registration Statement which remained unsold at the termination of the
offering.




                                       2





                                     PART II
               INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
ITEM 8. EXHIBITS.
EXHIBIT
NUMBER            EXHIBIT DESCRIPTION
- -------           -------------------

24.1              Power of Attorney (filed herewith)





                                       3




                                                              Reg. No. 333-52717

                                    SIGNATURE

      Pursuant to the  requirements of the Securities Act of 1933 the Registrant
has duly caused this post-effective  amendment to be signed on its behalf by the
undersigned,  thereunto duly  authorized,  in the City of Palm Desert,  State of
California, on June 24, 1999.

                        UNITED STATES FILTER CORPORATION

                        By:  /s/ Richard J. Heckmann
                             ---------------------------
                             Richard J. Heckmann
                             Chairman of the Board and
                             Chief Executive Officer


      Pursuant  to  the  requirements  of  the  Securities  Act  of  1933,  this
post-effective  amendment  has  been  signed  by the  following  persons  in the
capacities and on the date indicated.


     SIGNATURE                        CAPACITY                       DATE

                              Chairman of the Board
                              and Chief Executive                  June 24, 1999
/s/ Richard J. Heckmann       Officer (Principal
- -----------------------       Executive Officer) and a
Richard J. Heckmann           Director

                              Executive Vice President
/s/ Kevin L. Spence           and Chief Financial                  June 24, 1999
- ----------------------        Officer (Principal
Kevin L. Spence               Financial Officer)

                              Vice President,
/s/ James W. Dierker          Controller and Treasurer             June 24, 1999
- ----------------------        (Principal Accounting
James W. Dierker              Officer)

                              Director

- ----------------------
Daniel Caille

                              Director

      *                                                            June 24, 1999
- ----------------------
Arthur B. Laffer



                                       4


                                                              Reg. No. 333-52717


                                  Director

- -------------------
Eric Licoys

                                  Director
       *                                                           June 24, 1999
- -------------------
Jean Marie Messier

                                  Director
       *                                                           June 24, 1999
- -------------------
Alfred E. Osborne, Jr.

                                  Director

- -------------------
Henri Proglio



* By:  /s/ Kevin L. Spence                                         June 24, 1999
      --------------------
      Kevin L. Spence
      Attorney in Fact








                                       5









                                  EXHIBIT INDEX

EXHIBIT
NUMBER            EXHIBIT DESCRIPTION
- -------           -------------------

24.1        Power of Attorney       (filed herewith)












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