<SEC-DOCUMENT>0001174947-21-000398-index.html : 20210412
<SEC-HEADER>0001174947-21-000398.hdr.sgml : 20210412
<ACCEPTANCE-DATETIME>20210412142019
ACCESSION NUMBER:		0001174947-21-000398
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20210412
DATE AS OF CHANGE:		20210412

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-00422
		FILM NUMBER:		21820339

	BUSINESS ADDRESS:	
		STREET 1:		485C ROUTE 1 SOUTH
		STREET 2:		SUITE 400
		CITY:			ISELIN
		STATE:			NJ
		ZIP:			08830
		BUSINESS PHONE:		7326341500

	MAIL ADDRESS:	
		STREET 1:		485C ROUTE 1 SOUTH
		STREET 2:		SUITE 400
		CITY:			ISELIN
		STATE:			NJ
		ZIP:			08830
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>defa14a-25934_msx.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: defa14a-25934_msx.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>img-nt_001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: img-nt_001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img-nt_002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: img-nt_002.jpg

</DOCUMENT>
</SEC-DOCUMENT>