Western Dubuque Biodiesel 10-Q 2009 Q3 Quarterly report

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350
AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report on Form 10-Q of Western Dubuque Biodiesel, LLC (the “Company”) for the fiscal quarter ended September 30, 2009, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Bruce Klostermann, Vice Chairman and Principal Executive Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Bruce KlostermannBruce Klostermann, Vice Chairman and Director

(Principal Executive Officer)

Dated: November 16, 2009