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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,
 KLOOxWJVvlqJow1s/Lc0/yXH9hlUxRBUk9x/RiKzc+1N6uctZId/lRhNCO4vKTMF
 eYp75osd+IXO21Dvgf7zrw==

<SEC-DOCUMENT>0001181431-11-002092.txt : 20110105
<SEC-HEADER>0001181431-11-002092.hdr.sgml : 20110105
<ACCEPTANCE-DATETIME>20110105212357
ACCESSION NUMBER:		0001181431-11-002092
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110101
FILED AS OF DATE:		20110105
DATE AS OF CHANGE:		20110105

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Baker David K
		CENTRAL INDEX KEY:			0001487727

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34028
		FILM NUMBER:		11512639

	MAIL ADDRESS:	
		STREET 1:		1025 LAUREL OAK ROAD
		CITY:			VOORHEES
		STATE:			NJ
		ZIP:			08043

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			American Water Works Company, Inc.
		CENTRAL INDEX KEY:			0001410636
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER SUPPLY [4941]
		IRS NUMBER:				510063696
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1025 LAUREL OAK ROAD
		CITY:			VOORHEES
		STATE:			NJ
		ZIP:			08043
		BUSINESS PHONE:		856-346-8200

	MAIL ADDRESS:	
		STREET 1:		1025 LAUREL OAK ROAD
		CITY:			VOORHEES
		STATE:			NJ
		ZIP:			08043
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd296931.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-01-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001410636</issuerCik>
        <issuerName>American Water Works Company, Inc.</issuerName>
        <issuerTradingSymbol>AWK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001487727</rptOwnerCik>
            <rptOwnerName>Baker David K</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1025 LAUREL OAK ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>VOORHEES</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP, Western Division</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-01-01</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2011-01-01</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>234</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>25.29</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1730</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Karen K. Pettiford-Wilson by Power of Attorney previously filed</signatureName>
        <signatureDate>2011-01-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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