-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 VGBLcPS6Mn/la1L4FrZVNw==

<SEC-DOCUMENT>0001474259-09-000002.txt : 20091015
<SEC-HEADER>0001474259-09-000002.hdr.sgml : 20091015
<ACCEPTANCE-DATETIME>20091015110946
ACCESSION NUMBER:		0001474259-09-000002
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20091015
DATE AS OF CHANGE:		20091015
EFFECTIVENESS DATE:		20091015

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Interstate Gas Marketing 2009-1 Limited Partnership
		CENTRAL INDEX KEY:			0001474259
		IRS NUMBER:				000000000

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-135308
		FILM NUMBER:		091120687

	BUSINESS ADDRESS:	
		STREET 1:		2018 SOUTH SIXTH ST
		CITY:			INDIANA
		STATE:			PA
		ZIP:			15701
		BUSINESS PHONE:		724-465-7958

	MAIL ADDRESS:	
		STREET 1:		2018 SOUTH SIXTH ST
		CITY:			INDIANA
		STATE:			PA
		ZIP:			15701
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001474259</cik>
        <entityName>Interstate Gas Marketing 2009-1 Limited Partnership</entityName>
        <issuerAddress>
            <street1>2018 SOUTH SIXTH ST</street1>
            <city>INDIANA</city>
            <stateOrCountry>PA</stateOrCountry>
            <zipCode>15701</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>724-465-7958</issuerPhoneNumber>
        <jurisdictionOfInc></jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <yetToBeFormed>true</yetToBeFormed>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>William</firstName>
                <lastName>Gregg</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2018 South Sixth St</street1>
                <city>Indiana</city>
                <stateOrCountry>PA</stateOrCountry>
                <zipCode>15701</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Oil and Gas</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>$1,000,001 - $5,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <yetToOccur>true</yetToOccur>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isMineralPropertyType>true</isMineralPropertyType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>25000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>None</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>Not Applicable</street1>
                    <city>Not Applicable</city>
                    <stateOrCountry>XX</stateOrCountry>
                    <zipCode>Not Applic</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>AZ</state>
                    <state>CA</state>
                    <state>CO</state>
                    <state>GA</state>
                    <state>ME</state>
                    <state>MD</state>
                    <state>MI</state>
                    <state>NH</state>
                    <state>NJ</state>
                    <state>NY</state>
                    <state>NC</state>
                    <state>PA</state>
                    <state>VT</state>
                    <state>VA</state>
                    <state>WI</state>
                </statesOfSolicitationList>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>5000000</totalOfferingAmount>
            <totalAmountSold>0</totalAmountSold>
            <totalRemaining>5000000</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>2</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Interstate Gas Marketing 2009-1 Limited Partnership</issuerName>
                <signatureName>William Gregg</signatureName>
                <nameOfSigner>William Gregg</nameOfSigner>
                <signatureTitle>Vice President</signatureTitle>
                <signatureDate>2009-10-15</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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