Ownership Submission
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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
IANNUZZI LUCIANO
   2. Issuer Name and Ticker or Trading Symbol
ECOLAB INC [ECL] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP-Europe, Africa & M.E.
(Last)
(First)
(Middle)
ECOLAB GMBH & CO. OHG, REISHOLZER WERFTSTRASSE 38-42		 3. Date of Earliest Transaction (Month/Day/Year)
11/22/2006
(Street)

DUESSELDORF, 2M D-40589		 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 11/22/2006   M   12,200 A $ 24.34 12,200 D  
Common Stock 11/22/2006   S   9,500 D $ 46 2,700 D  
Common Stock 11/22/2006   S   1,500 D $ 46.01 1,200 D  
Common Stock 11/22/2006   S   1,200 D $ 46.02 0 D  
Common Stock 11/24/2006   M   7,800 A $ 24.34 7,800 D  
Common Stock 11/24/2006   M   30,000 A $ 27.39 37,800 D  
Common Stock 11/24/2006   S   900 D $ 46 36,900 D  
Common Stock 11/24/2006   S   1,000 D $ 46.01 35,900 D  
Common Stock 11/24/2006   S   800 D $ 46.02 35,100 D  
Common Stock 11/24/2006   S   2,000 D $ 46.03 33,100 D  
Common Stock 11/24/2006   S   600 D $ 46.04 32,500 D  
Common Stock 11/24/2006   S   2,400 D $ 46.05 30,100 D  
Common Stock 11/24/2006   S   3,800 D $ 46.06 26,300 D  
Common Stock 11/24/2006   S   1,700 D $ 46.07 24,600 D  
Common Stock 11/24/2006   S   2,100 D $ 46.08 22,500 D  
Common Stock 11/24/2006   S   2,800 D $ 46.09 19,700 D  
Common Stock 11/24/2006   S   7,000 D $ 46.1 12,700 D  
Common Stock 11/24/2006   S   3,300 D $ 46.11 9,400 D  
Common Stock 11/24/2006   S   700 D $ 46.12 8,700 D  
Common Stock 11/24/2006   S   600 D $ 46.13 8,100 D  
Common Stock 11/24/2006   S   800 D $ 46.14 7,300 D  
Common Stock 11/24/2006   S   500 D $ 46.15 6,800 D  
Common Stock 11/24/2006   S   100 D $ 46.16 6,700 D  
Common Stock 11/24/2006   S   100 D $ 46.17 6,600 D  
Common Stock 11/24/2006   S   1,100 D $ 46.18 5,500 D  
Common Stock 11/24/2006   S   1,500 D $ 46.19 4,000 D  
Common Stock 11/24/2006   S   4,000 D $ 46.2 0 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

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
Employee Stock Option (Right to Buy) $ 24.34 (1) 11/22/2006   M     12,200 (1) 12/05/2003(1) 12/05/2012 Common Stock 12,200 $ 0 7,800 D  
Employee Stock Option (Right To Buy) $ 24.34 (1) 11/24/2006   M     7,800 (1) 12/05/2003(1) 12/05/2012 Common Stock 7,800 $ 0 0 D  
Employee Stock Option (Right To Buy) $ 27.39 11/24/2006   M     30,000 12/11/2004(2) 12/11/2013 Common Stock 30,000 $ 0 20,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
IANNUZZI LUCIANO
ECOLAB GMBH & CO. OHG
REISHOLZER WERFTSTRASSE 38-42
DUESSELDORF, 2M D-40589		       EVP-Europe, Africa & M.E.  

Signatures

 /s/ David F. Duvick, as Attorney-in-Fact for Luciano Iannuzzi   11/27/2006
**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) Option granted under the Ecolab Inc. 2002 Stock Incentive Plan on December 5, 2002. The option was originally reported as covering 16,000 shares at an exercise price of $48.68 but has been adjusted to reflect a stock split on June 6, 2003. The option became exercisable, cumulatively, as to one-third of the total shares subject to the option on each of the first and second anniversaries of the date of grant and as to the remaining shares on the third anniversary of the date of grant.
(2) Option granted under the Ecolab Inc. 2002 Stock Incentive Plan on December 11, 2003. The option became exercisable, cumulatively, as to one-third of the total shares subject to the option on each of the first and second anniversaries of the date of grant and as to the remaining shares on the third anniversary of the date of grant.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.