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            <cik>0001845837</cik>
            <ccc>XXXXXXXX</ccc>
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        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
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        <issuerCik>0001780232</issuerCik>
        <issuerName>GFL Environmental, Inc.</issuerName>
        <secFileNumber>001-39240</secFileNumber>
        <issuerAddress>
          <com:street1>100 New Park Place, Suite 500</com:street1>
          <com:city>Vaughan</com:city>
          <com:stateOrCountry>A6</com:stateOrCountry>
          <com:zipCode>L4K 0H9</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>905-326-0101</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Patrick Dovigi</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
          <relationshipToIssuer>President and CEO</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Subordinate Voting Shares</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>J.P. Morgan Securities LLC</name>
          <address>
            <com:street1>390 Madison Avenue - 6th Floor</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>250000</noOfUnitsSold>
        <aggregateMarketValue>12605000</aggregateMarketValue>
        <noOfUnitsOutstanding>354894220</noOfUnitsOutstanding>
        <approxSaleDate>05/09/2025</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
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        <securitiesClassTitle>Subordinate Voting Shares</securitiesClassTitle>
        <acquiredDate>03/15/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Compensation</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>78858</amountOfSecuritiesAcquired>
        <paymentDate>03/15/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
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      <securitiesToBeSold>
        <securitiesClassTitle>Subordinate Voting Shares</securitiesClassTitle>
        <acquiredDate>02/28/2025</acquiredDate>
        <natureOfAcquisitionTransaction>Compensation</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>696934</amountOfSecuritiesAcquired>
        <paymentDate>02/28/2025</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>05/09/2025</noticeDate>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Patrick Dovigi</signature>
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text: 144
  0001845837
  XXXXXXXX
  LIVE
  0001780232
  GFL Environmental, Inc.
  001-39240
  100 New Park Place, Suite 500
  Vaughan
  A6
  L4K 0H9
  905-326-0101
  Patrick Dovigi
  Director
  President and CEO
  Subordinate Voting Shares
  J.P. Morgan Securities LLC
  390 Madison Avenue - 6th Floor
  New York
  NY
  10017
  250000
  12605000
  354894220
  05/09/2025
  NYSE
  Subordinate Voting Shares
  03/15/2024
  Compensation
  Issuer
  N
  78858
  03/15/2024
  Compensation
  Subordinate Voting Shares
  02/28/2025
  Compensation
  Issuer
  N
  696934
  02/28/2025
  Compensation
  Y
  05/09/2025
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Patrick Dovigi