FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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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1. Name and Address of Reporting Person * McTaggart Gregory S.   2. Issuer Name and Ticker or Trading Symbol CONSOLIDATED WATER CO LTD [CWCO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) VP OF CAYMAN OPERATIONS (Last) (First) (Middle) PO BOX 1114 3. Date of Earliest Transaction (Month/Day/Year) 03/18/2013 (Street) GRAND CAYMAN, E9 KY1-1102 4. If Amendment, Date Original Filed(Month/Day/Year) 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 Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price COMMON STOCK 03/18/2013   M   3,135 A $ 7.9 106,292 D   COMMON STOCK 03/18/2013   S   3,135 D $ 9.0913 103,157 D   COMMON STOCK 03/19/2013   M   1,300 A $ 7.9 104,457 D   COMMON STOCK 03/19/2013   S   1,300 D $ 9.0566 103,157 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

OPTION (RIGHT TO BUY)

$ 7.9

03/18/2013

M

3,135

03/19/2010(1)

03/19/2015(1)

COMMON STOCK

13,305

$ 0

10,170

D

OPTION (RIGHT TO BUY)

$ 7.9

03/19/2013

M

1,300

03/19/2010(1)

03/19/2015(1)

COMMON STOCK

10,170

$ 0

8,870

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
McTaggart Gregory S. PO BOX 1114 GRAND CAYMAN, E9 KY1-1102			VP OF CAYMAN OPERATIONS

Signatures

/s/ Gregory S. McTaggart		03/20/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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 4,435 shares on each of March 19, 2010, March 19, 2011 and March 19, 2012. If not previously exercised, 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.

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