-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 KU2w0rxNkbJqmgE8d/Cj4J3E53YURi+I6C7fsj29fHTq5hvNwHsK2wKPnEvz3whh
 9Th7GKban+W+Z99ZHD6IFA==

<SEC-DOCUMENT>0001331313-06-000001.txt : 20061115
<SEC-HEADER>0001331313-06-000001.hdr.sgml : 20061115
<ACCEPTANCE-DATETIME>20061115160625
ACCESSION NUMBER:		0001331313-06-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061114
FILED AS OF DATE:		20061115
DATE AS OF CHANGE:		20061115

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CADIZ INC
		CENTRAL INDEX KEY:			0000727273
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER SUPPLY [4941]
		IRS NUMBER:				770313235
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		777 SOUTH FIGUEROA STREET
		STREET 2:		SUITE 4250
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90017
		BUSINESS PHONE:		213-271-1600

	MAIL ADDRESS:	
		STREET 1:		777 SOUTH FIGUEROA STREET
		STREET 2:		SUITE 4250
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90017

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CADIZ LAND CO INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PACIFIC AGRICULTURAL HOLDINGS INC
		DATE OF NAME CHANGE:	19920602

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARIDTECH INC
		DATE OF NAME CHANGE:	19880523

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Pacini Raymond J
		CENTRAL INDEX KEY:			0001331313

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12114
		FILM NUMBER:		061220051

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		949-250-7781

	MAIL ADDRESS:	
		STREET 1:		6 EXECUTIVE CIRCLE, SUITE 250
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92614
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-11-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000727273</issuerCik>
        <issuerName>CADIZ INC</issuerName>
        <issuerTradingSymbol>CDZI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001331313</rptOwnerCik>
            <rptOwnerName>Pacini Raymond J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6 EXECUTIVE CIRCLE, SUITE 250</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>IRVINE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92614</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-11-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1510</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1510</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 1,510 shares allocated to the Reporting Person under the Outside Director Compensation Plan for services rendered by the Reporting Person as a director of the Issuer, consisting of 286 shares with respect to services rendered during the 12 month period ended June 30, 2005, which shares vested and were issued immediately on November 14, 2006, and 1,224 shares with respect to services rendered during the 12 month period ended June 30, 2006, which shares will vest on January 31, 2007.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Raymond J Pacini</signatureName>
        <signatureDate>2006-11-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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