-----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,
 DTyHXCHL65AcrtFUFV1OVSjtdE+l/XbLkADaDKLs76CwP1cpKXFXqQ4okY8dhLAF
 FqtL16lAjVVNJ9EcbeJg3g==

<SEC-DOCUMENT>0000108985-04-000078.txt : 20040714
<SEC-HEADER>0000108985-04-000078.hdr.sgml : 20040714
<ACCEPTANCE-DATETIME>20040714162742
ACCESSION NUMBER:		0000108985-04-000078
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040416
FILED AS OF DATE:		20040714

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HINES JEFFREY R
		CENTRAL INDEX KEY:			0001238672

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-00690
		FILM NUMBER:		04914096

	MAIL ADDRESS:	
		STREET 1:		130 EAST MARKET STREET
		STREET 2:		P O BOX 15089
		CITY:			YORK
		STATE:			PA
		ZIP:			17405-7089

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			YORK WATER CO
		CENTRAL INDEX KEY:			0000108985
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER SUPPLY [4941]
		IRS NUMBER:				231242500
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		130 E MARKET ST
		CITY:			YORK
		STATE:			PA
		ZIP:			17405
		BUSINESS PHONE:		7178453601

	MAIL ADDRESS:	
		STREET 1:		PO BOX 15089
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2004-04-16</periodOfReport>

    <dateOfOriginalSubmission>2004-04-16</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000108985</issuerCik>
        <issuerName>YORK WATER CO</issuerName>
        <issuerTradingSymbol>yorw</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001238672</rptOwnerCik>
            <rptOwnerName>HINES JEFFREY R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>130 EAST MARKET STREET</rptOwnerStreet1>
            <rptOwnerStreet2>P O BOX 15089</rptOwnerStreet2>
            <rptOwnerCity>YORK</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>17405-7089</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>V.P.-Engineering/Secretary</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-04-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>123.086</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>19.429</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13019.9528</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Bonnie J. Rexroth, Assistant Secretary by Power of Attorney</signatureName>
        <signatureDate>2004-07-14</signatureDate>
    </ownerSignature>
</ownershipDocument>

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