<SEC-DOCUMENT>0001127602-23-007713.txt : 20230301
<SEC-HEADER>0001127602-23-007713.hdr.sgml : 20230301
<ACCEPTANCE-DATETIME>20230301092801
ACCESSION NUMBER:		0001127602-23-007713
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230228
FILED AS OF DATE:		20230301
DATE AS OF CHANGE:		20230301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			VERGNANO MARK P
		CENTRAL INDEX KEY:			0001474107

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14010
		FILM NUMBER:		23690144

	MAIL ADDRESS:	
		STREET 1:		1007 MARKET STREET
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19898

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WATERS CORP /DE/
		CENTRAL INDEX KEY:			0001000697
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				133668640
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		34 MAPLE ST
		CITY:			MILFORD
		STATE:			MA
		ZIP:			01757
		BUSINESS PHONE:		5084782000

	MAIL ADDRESS:	
		STREET 1:		34 MAPLE STREET
		CITY:			MILFORD
		STATE:			MA
		ZIP:			01757

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WCD INVESTORS INC /DE/
		DATE OF NAME CHANGE:	19960605
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-02-28</periodOfReport>

    <issuer>
        <issuerCik>0001000697</issuerCik>
        <issuerName>WATERS CORP /DE/</issuerName>
        <issuerTradingSymbol>WAT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001474107</rptOwnerCik>
            <rptOwnerName>VERGNANO MARK P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>34 MAPLE STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MILFORD</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01757</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-02-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3185</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>313.321</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3557</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares of the issuer's common stock were purchased in multiple transactions at prices ranging from $312.54 to $314.25, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of common stock purchased at each separate price within the range set forth in this footnote.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Mark P. Vergnano</signatureName>
        <signatureDate>2023-03-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
