Exhibit 32.1
Certification of Chief Executive Officer
Pursuant to Section 906 of the Sarbanes-Oxley Act Of 2002
(18 U.S.C. § 1350)
In connection with the quarterly report of SouthWest Water Company (the “Company”) on Form 10-Q for the period ended June 30, 2010 (the “Report”), I, Mark A. Swatek, Chief Executive Officer of the Company, certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. §1350), that:
1) to my knowledge, the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
Dated: August 6, 2010 | /s/ MARK A. SWATEK |
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| Mark A. Swatek | |
| Chief Executive Officer |