-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 KYdIZKN9UTIPrasnC7gGSBb7vb3BRSFMa5gE0d3EnjPFyVinK/mxW/2lZa3NX+V5
 0cRDbFCwKiIE0gM9LPRCtA==

<SEC-DOCUMENT>0001202216-04-000013.txt : 20040603
<SEC-HEADER>0001202216-04-000013.hdr.sgml : 20040603
<ACCEPTANCE-DATETIME>20040603150049
ACCESSION NUMBER:		0001202216-04-000013
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040601
FILED AS OF DATE:		20040603

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AQUA AMERICA INC
		CENTRAL INDEX KEY:			0000078128
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER SUPPLY [4941]
		IRS NUMBER:				231702594
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		762 LANCASTER AVE
		CITY:			BRYN MAWR
		STATE:			PA
		ZIP:			19010
		BUSINESS PHONE:		2155278000

	MAIL ADDRESS:	
		STREET 1:		762 LANCASTER AVE
		CITY:			BRYN MAWR
		STATE:			PA
		ZIP:			19010

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PHILADELPHIA SUBURBAN CORP
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DIBONA JR G FRED
		CENTRAL INDEX KEY:			0001174894

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06659
		FILM NUMBER:		04846996

	BUSINESS ADDRESS:	
		STREET 1:		C/O WCC
		STREET 2:		4200 WACKENHUT DR 2ND FL
		CITY:			PALM BEACH GARDENS
		STATE:			FL
		ZIP:			33410-4243
		BUSINESS PHONE:		5616225656

	MAIL ADDRESS:	
		STREET 1:		C/O WCC
		STREET 2:		4200 WACKENHUT DR 2ND FL
		CITY:			PALM BEACH GARDENS
		STATE:			FL
		ZIP:			33410-4243
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001174894d20040603f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-06-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000078128</issuerCik>
        <issuerName>AQUA AMERICA INC</issuerName>
        <issuerTradingSymbol>WTR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001174894</rptOwnerCik>
            <rptOwnerName>DIBONA JR G FRED</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>762 W LANCASTER AVE.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BRYN MAWR</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19010</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>2004-06-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1093</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>19.93</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13124</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Grant of Restricted Stock under the 2004 Equity Compensation Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Roy Stahl or Barbara Cummings</signatureName>
        <signatureDate>2004-06-03</signatureDate>
    </ownerSignature>
</ownershipDocument>

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