Exhibit 10.10A FIRST AMENDMENT TO LOAN AGREEMENT This Amendment made this 10th day of October, 1995 by and between Sunwest Bank of Albuquerque, National Association, a national banking association ("Bank") and New Mexico Utilities, Inc., corporation ("Borrower"). WHEREAS, on January 25, 1995 Bank and Borrower entered into a certain Business Loan Agreement ("Agreement") pursuant to the terms and conditions of which credit has been extended by Bank to Borrower; WHEREAS, Borrower and Lender and desirous of amending the Agreement upon the following terms and conditions. FOR VALUABLE CONSIDERATION, the receipt and sufficiency of which is hereby acknowledged by the undersigned, Bank and Borrower agree as follows: 1. Paragraph 2 (a) i shall be deleted in its entirety and the following substituted there: i. The per annum interest on the outstanding principal balance (the "Interest Rate") shall be at a rate equal to the Chase Manhattan Bank Prime Rate established form time to time by the Bank; the Interest Rate shall be adjusted coincident with any change in the rate and applied prospectively, 2. Except as expressly amended hereby, the terms and conditions of the Agreement and the documents executed and delivered in conjunction with the credit extended thereunder shall remain in full force and effect and are hereby ratified: BORROWER: New Mexico Utilities, Inc. a New Mexico corporation BY: /s/ ROBERT L. SWARTWOUT ----------------------- Robert L. Swartwout, President BY: /s/ WILLIAM C. JASURA ---------------------- William C. Jasura, Vice President and Chief Financial Officer GRANTOR: Southwest Water Company, a Delaware corporation BY: /s/ PETER J. MOERBEEK --------------------- Peter J. Moerbeek, V.P. Finance and Chief Financial Officer BANK: Sunwest Bank of Albuquerque, N.A., a national association BY: /s/ DON K. PADGETT ------------------ Don K. Padgett, Vice President