SPECIMEN CERTIFICATES FOR SHARES OF CAL. WATER GRP

Published on April 2, 1999


EXHIBIT 4.1


[Green lace edging 1/2 inches wide around Certificate with corner shields on two
top corners.]


THIS CERTIFICATE IS TRANSFERABLE
IN BOSTON, MA OR NEW YORK, NY





[Engraving of river and waterfall [Green shield (1 3/4" by 1 1/4") with
with city scene on left and country scene on right] SHARES engraved and empty Block beneath.]
[Green shield (1 3/4" by
1 1/4") with NUMBER
engraved and Block with CALIFORNIA WATER SERVICE GROUP
SFC in black and bold] INCORPORATED UNDER THE LAWS OF THE STATE OF CALIFORNIA
JANUARY 16, 1997

"SERIES C" "SERIES C"
PREFERRED STOCK PREFERRED STOCK

[In light green THIS CERTIFIES THAT
striped box.] CUSIP 130788 20 1
SEE REVERSE SIDE FOR CERTAIN
DEFINITIONS




IS THE OWNER OF


[End light green box.] FULLY PAID SHARES OF THE PAR VALUE OF TWENTY-FIVE DOLLARS ($25.00) EACH OF
THE 4.4% CUMULATIVE PREFERRED STOCK, SERIES C" OF CALIFORNIA WATER SERVICE GROUP,
transferable on the books of the corporation in person or by attorney upon
surrender of this certificate properly endorsed. Any owner, holder or transferee
of the stock represented by this certificate takes the same expressly subject to
the provisions of the Amended Articles of Incorporation and the By-Laws of the
corporation and to any amendment or amendments of the Amended Articles of
Incorporation or the By-Laws. This certificate is not valid unless countersigned
by the Transfer Agent and registered by the Registrar.

Witness the facsimile seal of the corporation and the facsimile signatures of
[*CALIFORNIA WATER its duly authorized officers.
SERVICE GROUP *
INCORPORATED
SEAL Dated: CALIFORNIA WATER SERVICE GROUP
JANUARY 16, 1997
CALIFORNIA]
[FACSIMILE SIGNATURE] [FACSIMILE SIGNATURE]
Secretary President
Chief Executive Officer





[REVERSE SIDE OF PREFERRED STOCK CERTIFICATE]
CALIFORNIA WATER SERVICE GROUP



The Company is authorized to issue common shares without par value
and preferred shares of the par value of $25 each. The preferred shares are
issuable in series and the Board of Directors is authorized by the Restated
Articles of Incorporation, as amended, to fix or alter from time to time the
number of shares constituting any wholly unissued series of preferred shares and
to fix or alter from time to time the dividend rights, dividend rate, conversion
rights, voting rights, rights and terms of redemption, the redemption price or
prices or the liquidation preferences (including the absence or limited grant of
any such rights or preferences) of any wholly unissued series of preferred
shares.

A statement of the rights, preferences, privileges and restrictions
granted to or imposed upon the respective classes or series of shares authorized
to be issued and upon the holders thereof as established by the Restated
Articles of Incorporation, as amended, (or by any certificate of determination
of preferences), and the number of shares constituting each series or class and
the designation thereof, is available, upon request and without charge, at the
office of the Secretary of the Company, 1720 North First Street, San Jose,
California 95112, or at the office of the Transfer Agent.

The following abbreviations, when used in the inscription on the face
of this certificate, shall be construed as though they were written out in full
according to applicable laws or regulations:



TEN COM - as tenants in common UNIF GIFT MIN ACT ______ Custodian ______
TEN ENT - as tenants by the entireties (Cust.) (Minor)
JT TEN - as joint tenants with right of under Uniform Gifts to Minors Act
survivorship and not as tenants in _________________________________
common (State)



Additional abbreviations may also be used though not in the above list.

[In script] For Value received, _______________ hereby sell, assign and transfer
unto



________________________________________________________________________________
PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS OF ASSIGNEE

________________________________________________________________________________

________________________________________________________________________________

_________________________________________________________________________Shares

of the Stock represented by the within Certificate, and do hereby inrevocably
constitute and appoint ______________________________________________Attorney to
transfer the said stock on the books of the within-named Company with full power
of substitution in the premises.

Dated ________________ ______________________________

In Presence of

__________________________________

__________________________________
The signature should be guaranteed by a brokerage firm or a financial
institution that is a member of a securities appointed Medallion program, such
as Securities Transfer Agents Medallion Program (STAMP). Stock Exchanges
Medallion Program (SEMP) or New York Stock Exchange, Inc. Medallion Signature
Program (MSP).






NOTICE: THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS
WRITTEN UPON THE FACE OF THE CERTIFICATE, IN EVERY PARTICULAR, WITHOUT
ALTERATION OR ENLARGEMENT, OR ANY CHANGE WHATEVER






[Lace edging 1 1/2 inches wide down [California Water Service CALIFORNIA WATER [Lace edging 1 1/2 inches wide
left side of Certificate] Group Logo] SERVICE GROUP down right side of
Certificate broken by
lined stripe]
THIS CERTIFICATE IS [lined stripe 1.5 mm]
COMMON STOCK TRANSFERABLE IN BOSTON SHARES
OR NEW YORK
WITHOUT PAR VALUE
CUSIP 130788 10 2

INCORPORATED UNDER THE LAWS SEE REVERSE FOR CERTAIN DEFINITIONS AND A
OF THE STATE OF CALIFORNIA STATEMENT AS TO THE RIGHTS, PREFERENCES,
PRIVILEGES AND RESTRICTIONS ON SHARES


THIS CERTIFIES THAT








IS THE OWNER OF

FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK OF

[In Script] California Water Service Group, transferable on the books of the
corporation by the holder hereof in person or by attorney upon surrender of this
certificate properly endorsed. Any owner, holder or transferee of the stock
represented by this certificate takes the same expressly subject to the
provisions of the Restated Articles of Incorporation and the By-Laws of the
corporation and to any amendment or amendments of the Restated Articles of
[*CALIFORNIA Incorporation or the By-Laws. This certificate is not valid unless countersigned
WATER SERVICE by the Transfer Agent and registered by the Registrar.
GROUP *
INCORPORATED Witness the facsimile seal of the corporation and the facsimile
SEAL signatures of its duly authorized officers.
JANUARY 16, 1997
CALIFORNIA] Dated: California Water Service Group

COUNTERSIGNED AND REGISTERED [Family of four [FACSIMILE SIGNATURE]
BANK BOSTON, N.A. IN FRONT OF PRESIDENT
[1.0 mm stripe] TRANSFER AGENT AND REGISTRAR forest scene] CHIEF EXECUTIVE OFFICER
BY [FACSIMILE SIGNATURE] [FACSIMILE SIGNATURE]
AUTHORIZED SIGNATURE SECRETARY





[REVERSE SIDE OF COMMON STOCK CERTIFICATE]
CALIFORNIA WATER SERVICE GROUP



The Company is authorized to issue common shares without par value
and preferred shares of the par value of $25 each. The preferred shares are
issuable in series and the Board of Directors is authorized by the Restated
Articles of Incorporation to fix or alter from time to time the number of shares
constituting any wholly unissued series of preferred shares and to fix or alter
from time to time the dividend rights, dividend rate, conversion rights, voting
rights, rights and terms of redemption, the redemption price or prices or the
liquidation preferences (including the absence or limited grant of any such
rights or preferences) of any wholly unissued series of preferred shares.

A statement of the rights, preferences, privileges and restrictions
granted to or imposed upon the respective classes or series of shares authorized
to be issued and upon the holders thereof as established by the Restated
Articles of Incorporation (or by any certificate of determination of
preferences) and the number of shares constituting each series or class and the
designation thereof is available, upon request and without charge, at the office
of the Corporate Secretary, 1720 North First Street, San Jose, California
95112-4598, or at the office of the Transfer Agent.

THIS CERTIFICATE: ALSO EVIDENCES AND ENTITLES THE HOLDER HEREOF TO
CERTAIN RIGHTS AS SET FORTH IN A RIGHTS AGREEMENT BETWEEN CALIFORNIA WATER
SERVICE GROUP AND BANKBOSTON, N.A. DATED AS OF FEBRUARY 12, 1998 (THE "RIGHTS
AGREEMENT"). THE TERMS OF WHICH ARE HEREBY INCORPORATED HEREIN BY REFERENCE AND
A COPY OF WHICH IS ON FILE AT THE PRINCIPAL EXECUTIVE OFFICES OF CALIFORNIA
WATER SERVICE GROUP UNDER CERTAIN CIRCUMSTANCES AS SET FORTH IN THE RIGHTS
AGREEMENT. SUCH RIGHTS WILL BE EVIDENCED BY SEPARATE CERTIFICATES AND WILL NO
LONGER BE EVIDENCED BY THIS CERTIFICATE. CALIFORNIA WATER SERVICE GROUP WILL
MAIL TO THE HOLDER OF THIS CERTIFICATE A COPY OF THE RIGHTS AGREEMENT WITHOUT
CHARGE AFTER RECEIPT OF A WRITTEN REQUEST THEREFOR. UNDER CERTAIN CIRCUMSTANCES,
AS SET FORTH IN THE RIGHTS AGREEMENT, RIGHTS ISSUED TO, OR HELD BY, ANY PERSON
WHO BECOMES AN ACQUIRING PERSON OR AN AFFILIATE OR ASSOCIATE THEREOF (AS DEFINED
IN THE RIGHTS AGREEMENT) AND CERTAIN RELATED PERSONS WHETHER CURRENTLY HELD BY
OR ON BEHALF OF SUCH PERSON OR BY ANY SUBSEQUENT HOLDER, MAY BECOME NULL AND
VOID.

The following abbreviations, when used in the inscription on the face
of this certificate, shall be construed as though they were written out in full
according to applicable laws or regulations:



TEN COM - as tenants in common UNIF GIFT MIN ACT ______ Custodian ______
(Cust.) (Minor)
TEN ENT - as tenants by the entireties under Uniform Gifts to Minors Act
JT TEN - as joint tenants with right of _________________________________
survivorship and not as tenants in (State)
common



Additional abbreviations may also be used though not in the above
list. [In script] For Value received, _______________ hereby sell assign and
transfer unto



PLEASE INSERT SOCIAL SECURITY OR OTHER
IDENTIFYING NUMBER OF ASSIGNEE

_______________________________________

_______________________________________



________________________________________________________________________________
PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS INCLUDING ZIP CODE OF ASSIGNEE

________________________________________________________________________________

________________________________________________________________________________

__________________________________________________________________________Shares
of the Stock represented by the within Certificate, and do hereby irrevocably
constitute and appoint

_______________________________________________________________________Attorney
to transfer the said Stock on the books of the within-named Company with full
power of substitution in the premises.

Dated ________________

____________________________
In Presence of
____________________________________
SIGNATURE(S) GUARANTEED

____________________________________
The signature should be guaranteed by a brokerage firm or a financial
institution that is a member of a securities appointed Medallion program, such
as Securities Transfer Agents Medallion Program (STAMP). Stock Exchanges
Medallion Program (SEMP) or New York Stock Exchange, Inc. Medallion Signature


[REVERSE SIDE OF COMMON STOCK CERTIFICATE]
(Continued)

Program (MSP).


NOTICE: THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS
WRITTEN UPON THE FACE OF THE CERTIFICATE, IN EVERY PARTICULAR, WITHOUT
ALTERATION OR ENLARGEMENT, OR ANY CHANGE WHATEVER