<SEC-DOCUMENT>0001140361-13-033968.txt : 20130822
<SEC-HEADER>0001140361-13-033968.hdr.sgml : 20130822
<ACCEPTANCE-DATETIME>20130822172605
ACCESSION NUMBER:		0001140361-13-033968
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20130820
FILED AS OF DATE:		20130822
DATE AS OF CHANGE:		20130822

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NEPHROS INC
		CENTRAL INDEX KEY:			0001196298
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				133971809
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		41 GRAND AVENUE
		CITY:			RIVER EDGE,
		STATE:			NJ
		ZIP:			07661
		BUSINESS PHONE:		201.343.5202

	MAIL ADDRESS:	
		STREET 1:		41 GRAND AVENUE
		CITY:			RIVER EDGE,
		STATE:			NJ
		ZIP:			07661

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mieyal Paul A
		CENTRAL INDEX KEY:			0001412471

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32288
		FILM NUMBER:		131055871

	MAIL ADDRESS:	
		STREET 1:		C/O WEXFORD CAPITAL LP
		STREET 2:		411 WEST PUTNAM AVE, SUITE 125
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2013-08-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001196298</issuerCik>
        <issuerName>NEPHROS INC</issuerName>
        <issuerTradingSymbol>NEPH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001412471</rptOwnerCik>
            <rptOwnerName>Mieyal Paul A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WEXFORD CAPITAL LP</rptOwnerStreet1>
            <rptOwnerStreet2>411 WEST PUTNAM AVENUE</rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06830</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2013-08-20</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5417</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>28763</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">On August 20, 2013 the Company granted 5,417 shares of restricted stock of the Company (the &quot;Restricted Stock&quot;) in respect of the service by Mr. Mieyal as a member of the Board of Directors of the Company.  The Restricted Stock was granted under the Company's 2004 Stock Incentive Plan.  At the request of Mr. Mieyal, the Restricted Stock was granted to Wexford Capital LP.  The Restricted Stock vests 6 months following the grant date.</footnote>
        <footnote id="F2">All grants of Restricted Stock, at the request of Mr. Mieyal, are granted to Wexford Capital LP.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Paul Mieyal</signatureName>
        <signatureDate>2013-08-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
