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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001409045-07-000002.txt : 20070808
<SEC-HEADER>0001409045-07-000002.hdr.sgml : 20070808
<ACCEPTANCE-DATETIME>20070808151141
ACCESSION NUMBER:		0001409045-07-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070802
FILED AS OF DATE:		20070808
DATE AS OF CHANGE:		20070808

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PURE CYCLE CORP
		CENTRAL INDEX KEY:			0000276720
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER SUPPLY [4941]
		IRS NUMBER:				840705083
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0831

	BUSINESS ADDRESS:	
		STREET 1:		8451 DELAWARE STREET
		CITY:			THORNTON
		STATE:			CO
		ZIP:			80260
		BUSINESS PHONE:		3032923456

	MAIL ADDRESS:	
		STREET 1:		8451 DELAWARE STREET
		CITY:			THORNTON
		STATE:			CO
		ZIP:			80260

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Epker Arthur G III
		CENTRAL INDEX KEY:			0001409045

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-08814
		FILM NUMBER:		071035324

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		303-292-3456

	MAIL ADDRESS:	
		STREET 1:		C/O PURE CYCLE CORPORATION
		STREET 2:		8451 DELAWARE ST.
		CITY:			THORNTON
		STATE:			CO
		ZIP:			80260
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-08-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000276720</issuerCik>
        <issuerName>PURE CYCLE CORP</issuerName>
        <issuerTradingSymbol>PCYO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001409045</rptOwnerCik>
            <rptOwnerName>Epker Arthur G III</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PURE CYCLE CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>8451 DELAWARE ST.</rptOwnerStreet2>
            <rptOwnerCity>THORNTON</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80260</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-Statutory Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>7.61</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-08-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2017-08-02</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Grant pursuant to the 2004 Incentive Plan approved by Pure Cycle's Stockholders.</footnote>
        <footnote id="F2">1/2 on 8/2/2008 and 1/2 on 8/2/2009.</footnote>
        <footnote id="F3">In addition to the options granted to Mr. Epker, 2,617,939 shares of common stock are held directly by PAR Investment Partners, L.P. (&quot;PIP&quot;). PAR Capital Management, Inc. (&quot;PCM&quot;), as the general partner of PAR Group, L.P., which is the general partner of PIP, has investment discretion and voting control over shares held by PIP. No stockholder, director, officer of employee of PCM has beneficial ownership (within the meaning of Rule 13d-3 promulgated under the Exchange Act) of any shares held by PIP. The shares held by PIP are part of a portfolio managed by Mr. Epker. As an employee of PCM, Mr. Epker has the authority to trade the securities held by PIP.</footnote>
    </footnotes>

    <remarks>Pursuant to a Power of Attorney filed as Exhibit 24 to a Form 3 filed with the Commission on August 8, 2007.</remarks>

    <ownerSignature>
        <signatureName>Arthur G. Epker III, by Mark W. Harding as Attorney-in-Fact (see Remarks)</signatureName>
        <signatureDate>2007-08-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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