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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934

                                Aqua America Inc
                            -------------------------
                                (Name of Issuer)

                                  COMMON STOCK
                        --------------------------------
                         (Title of Class of Securities)

                                   03836W103
                                ----------------
                                 (CUSIP Number)

                                   07/02/2007
            ---------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

         Check appropriate box to designate the rule pursuant to which this
Schedule is filed:

[ ]   Rule 13d-1(b)

[X]   Rule 13d-1(c)

[ ]   Rule 13d-1(d)
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         CUSIP No. 03836W103                          13G                          Page 1 of 1 Pages

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---------------- ---------------------------------------------------------------------------------------------
       1         Names of Reporting Persons/I.R.S. Identification Nos. of Above Persons (Entities Only)

                    Pictet Asset Management SA("PAM SA")

                    The reporting person disclaim beneficial ownership of the
                 shares reported, which are owned of record and beneficially by
                 three non-U.S. investment funds, both managed by PAM SA.
---------------- ---------------------------------------------------------------------------------------------
       2         Check the Appropriate Box if a Member of a Group     (a) / /
                                                                      (b) / /
---------------- ---------------------------------------------------------------------------------------------
       3         SEC Use Only
---------------- ---------------------------------------------------------------------------------------------
       4         Citizenship or Place of Organization
                    Pictet Asset Management SA - Switzerland
-------------------------------------- --------- -------------------------------------------------------------
                                          5      Sole Voting Power:
              Number of                             Pictet Asset Management SA:
               Shares                             6,860,408
            Beneficially
              Owned by
                Each
              Reporting
             Person With
                                       --------- -------------------------------------------------------------
                                          6      Shared Voting Power:
                                                    Pictet Asset Management SA:  None

                                       --------- -------------------------------------------------------------
                                          7      Sole Dispositive Power:
                                                    Pictet Asset Management SA:
                                                 6,860,408
                                       --------- -------------------------------------------------------------
                                          8      Shared Dispositive Power:
                                                    Pictet Asset Management SA:  None

---------------- ---------------------------------------------------------------------------------------------
       9         Aggregate Amount Beneficially Owned by Each Reporting Person
                    Pictet Asset Management SA:  6,860,408

---------------- ---------------------------------------------------------------------------------------------
      10         Check if the Aggregate Amount in Row (9) Excludes Certain Shares / /
---------------- ---------------------------------------------------------------------------------------------
      11         Percent of Class Represented by Amount in Row (9)
                    Pictet Asset Management SA:  5.17%

---------------- ---------------------------------------------------------------------------------------------
      12         Type of Reporting Person:
                    Pictet Asset Management SA:  IA
---------------- ---------------------------------------------------------------------------------------------








Item 1.

            (a)   Name of Issuer: Aqua America Inc

      (b)   Address of Issuer's Principal Executive Offices:

               762 West Lancaster Avenue
               Bryn Mawr, PA 19010
               UNITED STATES

Item 2

      (a)   Names of Person Filing:

                  Pictet Asset Management SA("PAM SA")

      (b)   Address of Principal Business Office or, if none, Residence:

                                  Pictet Asset Management SA:

                                                60 ROUTE DES ACACIAS
                                                GENEVA 73
                                                SWITZERLAND
                                                CH-12 11


      (c)   Citizenship:
                       Pictet Asset Management SA:  United Kingdom

      (d)   Title of Class Securities: COMMON STOCK

      (e)  CUSIP Number: 03836W103


Item 3. If this statement is filed pursuant to Rule 13d-1 (b), or 13d-2 (b) or
(c), check whether the person is A

      Not applicable.

Item 4. Ownership

   The reporting persons disclaim beneficial ownership of the shares reported,
which are owned of record and beneficially by three non-U.S. investment funds,
both are managed by PAM SA.

      (a)   Amount Beneficially Owned:

                      Pictet Asset Management SA: 6,860,408

      (b)   Percent of Class:

                      Pictet Asset Management SA:  5.17%

      (c)   Number of shares as to which such person has:

            Pictet Asset Management SA:
                  (i)      sole power to vote or to direct the vote: 6,860,408

                  (ii)     shared power to vote or to direct the vote: None
                  (iii)    sole power to dispose or to direct the disposition
                           of: 6,860,408
                  (iv)     shared power to dispose or to direct the disposition
                           of: None

Item 5.  Ownership of Five Percent or Less of a Class

         Not applicable.


Item 6. Ownership of More than Five Percent on Behalf of Another Person

        Not applicable.

Item 7. Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on By the Parent Holding Company

        See answer to Item 2 (a)

Item 8. Identification and Classification of Members of the Group

        Not applicable.

Item 9. Notice of Dissolution of the Group

        Not applicable.

Item 10. Certification

         By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were not acquired and are not held for
the purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.





                                    SIGNATURE

         After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

                                             Date: 2nd July 2007


                                             /s/ David Cawthrow
                                             ------------------------------
                                             David Cawthrow
                                             Chief Compliance Officer


                         AGREEMENT OF REPORTING PERSONS

         The undersigned hereby agree that the foregoing Schedule 13G is filed
on behalf of the undersigned.


     Pictet Asset Management SA

     By:  /s/ David Cawthrow
          --------------------------------------
          David Cawthrow, Chief Compliance Officer