Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Pereira Gerard J.
 2. Date of Event Requiring Statement (Month/Day/Year)
01/01/2013		 3. Issuer Name and Ticker or Trading Symbol
CONSOLIDATED WATER CO LTD [CWCO]
(Last)
(First)
(Middle)
PO BOX 1114		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP of Engineering and Tech
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

GRAND CAYMAN, E9 KY1-1102		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 9,965
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Option (Right To Buy) 01/01/2011(1) 01/01/2014(1) Common Stock 4,425 (1) $ 30.48 D  
Option (Right To Buy) 03/19/2010(2) 03/19/2015(2) Common Stock 13,305 (2) $ 7.9 D  
Option (Right To Buy) 02/22/2012(3) 02/22/2017(3) Common Stock 14,163 (3) $ 10.68 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Pereira Gerard J.
PO BOX 1114
GRAND CAYMAN, E9 KY1-1102		       VP of Engineering and Tech  

Signatures

/s/ Gerard J. Pereira 01/10/2013
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The option vested as to 4,425 shares on January 1, 2011 and expires on January 1, 2014. The exercise price of the option equals the market price of the Company's common stock as of the close of business on the date of grant.
(2) The option vested as to 4,435 shares on each of March 19, 2010, March 19, 2011 and March 19, 2012. The option expires as to 4,435 shares on each of March 19, 2013, March 19, 2014 and March 19, 2015. The exercise price of the option equals the market price of the Company's common stock as of the close of business on the date of grant.
(3) The option vested as to 4,721 shares on February 22, 2012 and vests as to 4,721 shares on each of February 22, 2013 and February 22, 2014. The option expires as to 4,721 shares on each of February 22, 2015, February 22, 2016 and February 22, 2017. The exercise price of the option equals the market price of the Company's common stock as of the close of business on the date of grant.

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