content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <!-- Generated by Workiva -->
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001283143</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000911177</issuerCik>
        <issuerName>Casella Waste Systems, Inc</issuerName>
        <secFileNumber>000-23211</secFileNumber>
        <issuerAddress>
          <com:street1>25 Greens Hill Lane</com:street1>
          <com:city>Rutland</com:city>
          <com:stateOrCountry>VT</com:stateOrCountry>
          <com:zipCode>05702</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>802-772-0325</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>William P Hulligan</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>ComputerShare</name>
          <address>
            <com:street1>20 Royall Street MS 3B</com:street1>
            <com:city>Canton</com:city>
            <com:stateOrCountry>MA</com:stateOrCountry>
            <com:zipCode>02021</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>5000</noOfUnitsSold>
        <aggregateMarketValue>399900</aggregateMarketValue>
        <noOfUnitsOutstanding>56974049</noOfUnitsOutstanding>
        <approxSaleDate>08/10/2023</approxSaleDate>
        <securitiesExchangeName>NASD</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>09/01/2015</acquiredDate>
        <natureOfAcquisitionTransaction>Retricted Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Casella Waste Systems, Inc.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>2779</amountOfSecuritiesAcquired>
        <paymentDate>09/01/2015</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>11/17/2016</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Casella Waste Systems, Inc.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>2221</amountOfSecuritiesAcquired>
        <paymentDate>11/17/2016</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>08/10/2023</noticeDate>
        <signature>/s/ Shelley E. Sayward, Attorney in Fact for William P. Hulligan</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3347}]
text: 144
  0001283143
  XXXXXXXX
  LIVE
  0000911177
  Casella Waste Systems, Inc
  000-23211
  25 Greens Hill Lane
  Rutland
  VT
  05702
  802-772-0325
  William P Hulligan
  Director
  Common
  ComputerShare
  20 Royall Street MS 3B
  Canton
  MA
  02021
  5000
  399900
  56974049
  08/10/2023
  NASD
  Common
  09/01/2015
  Retricted Stock Award
  Casella Waste Systems, Inc.
  N
  2779
  09/01/2015
  Cash
  Common
  11/17/2016
  Restricted Stock Award
  Casella Waste Systems, Inc.
  N
  2221
  11/17/2016
  Cash
  Y
  08/10/2023
  /s/ Shelley E. Sayward, Attorney in Fact for William P. Hulligan