1
                       SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C.  20549

                                   ----------

                                  SCHEDULE 13G
                                 (RULE 13d-102)

            INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2
                   UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 1)

                              Middlesex Water Co.
- ------------------------------------------------------------------------------
                                (Name of Issuer)

                                 Common Stock
- ------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                  596680-108  
- ------------------------------------------------------------------------------
                                 (CUSIP Number)

                                   ----------

CUSIP No.  596680-108                                        Page 1 of 7 Pages

    1)  Names of Reporting Persons S.S. or I.R.S. Identification Nos. of above
        persons
        PNC Bank Corp.  25-1435979


    2)  Check the Appropriate Box if a Member of a Group (See Instructions)
        a)   [   ]
        b)   [   ]

    3)  SEC USE ONLY


    4)  Citizenship or Place of Organization  Pennsylvania


    Number of Shares             5) Sole Voting Power            292,800        
    Beneficially Owned     
    By Each Reporting
    Person With                  6) Shared Voting Power            1,000        


                                 7) Sole Dispositive Power         7,512        

                             
                                 8) Shared Dispositive Power     292,800        


    9)  Aggregate Amount Beneficially Owned by Each Reporting Person  301,312
                                                                        


   10)  Check if the Aggregate Amount in Row (9) Excludes Certain Shares
        (See Instructions)                                                [   ]


   11)  Percent of Class Represented by Amount in Row (9)                   7.2


   12)  Type of Reporting Person (See Instructions)                          HC


   2
                       SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C.  20549

                                   ----------

                                  SCHEDULE 13G
                                 (RULE 13d-102)

            INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2
                   UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 1)


                               Middlesex Water Co.
- ------------------------------------------------------------------------------
                                (Name of Issuer)

                                   Common Stock
- ------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                   596680-108
- ------------------------------------------------------------------------------
                                 (CUSIP Number)

                                   ----------

CUSIP No.  596680-108                                        Page 2 of 7 Pages

    1)  Names of Reporting Persons S.S. or I.R.S. Identification Nos. of
        above persons
        PNC Bancorp, Inc.      51-0326854


    2)  Check the Appropriate Box if a Member of a Group (See Instructions)
        a)   [   ]
        b)   [   ]

    3)  SEC USE ONLY


    4)  Citizenship or Place of Organization Delaware


   Number of Shares         5) Sole Voting Power             292,800            
   Beneficially Owned
   By Each Reporting
   Person With              6) Shared Voting Power             1,000            


                            7) Sole Dispositive Power          7,512            


                            8) Shared Dispositive Power      292,800            


    9)  Aggregate Amount Beneficially Owned by Each Reporting Person  301,312
                                                                        


   10)  Check if the Aggregate Amount in Row (9) Excludes Certain
        Shares (See Instructions)                                        [   ]


   11)  Percent of Class Represented by Amount in Row (9)                  7.2


   12)  Type of Reporting Person (See Instructions)                         HC


   3
                       SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C.  20549

                                   ----------

                                  SCHEDULE 13G
                                 (RULE 13d-102)

            INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2
                   UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 1)


                               Middlesex Water Co.
- ------------------------------------------------------------------------------
                                (Name of Issuer)

                                  Common Stock
- ------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                   596680-108
- ------------------------------------------------------------------------------
                                 (CUSIP Number)

                                   ----------

CUSIP No.  596680-108                                        Page 3 of 7 Pages

    1)  Names of Reporting Persons S.S. or I.R.S. Identification Nos. of above
        persons
        PNC Bank, National Association  22-1146430*

    2)  Check the Appropriate Box if a Member of a Group (See Instructions)
        a)   [   ]
        b)   [   ]

    3)  SEC USE ONLY


    4)  Citizenship or Place of Organization  


  Number of Shares             5) Sole Voting Power            292,800          
  Beneficially Owned     
  By Each Reporting
  Person With                  6) Shared Voting Power            1,000         


                               7) Sole Dispositive Power         7,512     

                             
                               8) Shared Dispositive Power     292,800          


    9)  Aggregate Amount Beneficially Owned by Each Reporting Person  301,312
                                                                      


   10)  Check if the Aggregate Amount in Row (9) Excludes Certain Shares
        (See Instructions)                                              [   ]


   11)  Percent of Class Represented by Amount in Row (9)                 7.2


   12) Type of Reporting Person (See Instructions)                         BK 


            *formerly known as Midlantic Bank, National Association


    
   4
ITEM 2(b) - ADDRESS OF PRINCIPAL BUSINESS OFFICE, OR IF NONE, RESIDENCE:

PNC Bank Corp., One PNC Plaza, 249 5th Avenue, Pittsburgh, PA 15222-2707

PNC Bancorp, Inc., 222 Delaware Avenue, Wilmington, DE 19899

PNC Bank, National Association, One PNC Plaza, 249 Fifth Avenue,
Pittsburgh, PA 15222-2707
   5
ITEM 4 - OWNERSHIP:

The following information is as of December 31, 1996:

(a) Amount Beneficially Owned:                                   301,312 shares
                                                                     
(b) Percent of Class:                                                       7.2
                                                                     
(c) Number of shares to which such person has:
       (i) sole power to vote or to direct the vote                     292,800
      (ii) shared power to vote or to direct the vote                     1,000
     (iii) sole power to dispose or to direct the disposition of          7,512
      (iv) shared power to dispose or to direct the disposition of      292,800 

  


                      
   6
ITEM 10 - CERTIFICATION.

     By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were acquired in the ordinary course of
business and were not acquired for the purpose of and do not have the effect of
changing or influencing the control of the issuer of such securities and were
not acquired in connection with or as a participant in any transaction having
such purposes or effect.


   7
                                   SIGNATURE

     After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


         February 14, 1997
         -------------------------------------------------
         Date

         /s/ ROBERT L. HAUNSCHILD 
         -------------------------------------------------
         Signature - PNC Bank Corp.


         Robert L. Haunschild, Senior Vice President
                               and Chief Financial Officer  
         -------------------------------------------------
         Name/Title 


         February 14, 1997
         -------------------------------------------------
         Date


         /s/ PAUL L. AUDET 
         -------------------------------------------------
         Signature - PNC Bancorp, Inc.

         Paul L. Audet, Vice President
         -------------------------------------------------
         Name/Title 


         February 14, 1997
         -------------------------------------------------
         Date


         /s/ THOMAS R. MOORE 
         -------------------------------------------------
         Signature - PNC Bank, National Association 
         

         Thomas R. Moore, Vice President and
                          Assistant Secretary
         -------------------------------------------------
         Name/Title 


        An Agreement to file a Joint Statement was previously filed 
        with the Schedule 13G filed on February 12, 1996.