    <SEC-DOCUMENT>0001104659-23-044986-index.html : 20230413
    <SEC-HEADER>0001104659-23-044986.hdr.sgml : 20230413
    <ACCEPTANCE-DATETIME>20230413153239
    ACCESSION NUMBER:		0001104659-23-044986
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20221231
    FILED AS OF DATE:		20230413
    DATE AS OF CHANGE:		20230413
    EFFECTIVENESS DATE:		20230413

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CLEAN HARBORS INC
    		CENTRAL INDEX KEY:			0000822818
    		STANDARD INDUSTRIAL CLASSIFICATION:	HAZARDOUS WASTE MANAGEMENT [4955]
    		IRS NUMBER:				042997780
    		STATE OF INCORPORATION:			MA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-34223
    		FILM NUMBER:		23818229

    	BUSINESS ADDRESS:
    		STREET 1:		42 LONGWATER DRIVE
    		STREET 2:		P.O. BOX 9149
    		CITY:			NORWELL
    		STATE:			MA
    		ZIP:			02061-9149
    		BUSINESS PHONE:		781-792-5000

    	MAIL ADDRESS:
    		STREET 1:		42 LONGWATER DRIVE
    		CITY:			NORWELL
    		STATE:			MA
    		ZIP:			02061-9149
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>tm238218d2_ars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: tm238218d2_ars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>