    <SEC-DOCUMENT>0001174947-18-000595-index.html : 20180412
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    <ACCEPTANCE-DATETIME>20180412110213
    ACCESSION NUMBER:		0001174947-18-000595
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		15
    CONFORMED PERIOD OF REPORT:	20180522
    FILED AS OF DATE:		20180412
    DATE AS OF CHANGE:		20180412
    EFFECTIVENESS DATE:		20180412

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			MIDDLESEX WATER CO
    		CENTRAL INDEX KEY:			0000066004
    		STANDARD INDUSTRIAL CLASSIFICATION:	WATER SUPPLY [4941]
    		IRS NUMBER:				221114430
    		STATE OF INCORPORATION:			NJ
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-00422
    		FILM NUMBER:		18751447

    	BUSINESS ADDRESS:
    		STREET 1:		1500 RONSON RD
    		STREET 2:		P O BOX 1500
    		CITY:			ISELIN
    		STATE:			NJ
    		ZIP:			08830
    		BUSINESS PHONE:		7326341500

    	MAIL ADDRESS:
    		STREET 1:		1500 RONON ROAD
    		CITY:			ISELIN
    		STATE:			NJ
    		ZIP:			08830
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