-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 PI41FoX46qjvnaesXukdXnG59WXMxxWxlubs+LL38h6RHNoTOoIBETY8khSlUDR0
 7m4/kg+SUhgzAq+6May4ng==

<SEC-DOCUMENT>0001104659-04-015265.txt : 20040521
<SEC-HEADER>0001104659-04-015265.hdr.sgml : 20040521
<ACCEPTANCE-DATETIME>20040521145436
ACCESSION NUMBER:		0001104659-04-015265
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040520
FILED AS OF DATE:		20040521

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FRANK ANTHONY M
		CENTRAL INDEX KEY:			0000904422

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-16416
		FILM NUMBER:		04823929

	BUSINESS ADDRESS:	
		STREET 1:		320 MEADOWOOD CT
		CITY:			PLEASANT HILL
		STATE:			CA
		ZIP:			94523
		BUSINESS PHONE:		4159746245

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ELECTROPURE INC
		CENTRAL INDEX KEY:			0000808015
		STANDARD INDUSTRIAL CLASSIFICATION:	PATENT OWNERS & LESSORS [6794]
		IRS NUMBER:				330056212
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		23456 S POINTE DR
		CITY:			LAGUNA HILLS
		STATE:			CA
		ZIP:			92653-1512
		BUSINESS PHONE:		9497709347

	MAIL ADDRESS:	
		STREET 1:		23456 S POINTE DR
		STREET 2:		SUITE A
		CITY:			LAGUNA HILLS
		STATE:			CA
		ZIP:			92653

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HOH WATER TECHNOLOGY CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-05-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000808015</issuerCik>
        <issuerName>ELECTROPURE INC</issuerName>
        <issuerTradingSymbol>ELTP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000904422</rptOwnerCik>
            <rptOwnerName>FRANK ANTHONY M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>320 MEADOWOOD COURT</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PLEASANT HILL</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94523</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-05-20</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2004-05-20</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>66667</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.30</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6471950</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/S/ ANTHONY M. FRANK</signatureName>
        <signatureDate>2004-05-20</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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