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
I, Mark W. Harding, the Chief Executive Officer and Chief Financial Officer of Pure Cycle Corporation (the “Company”), hereby certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:
(1)  
The Form 10-K of the Company for the year ended August 31, 2008, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and
 
(2)  
The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.
     
/s/ Mark W. Harding
    
 
Mark W. Harding
   
Principal Executive Officer and Principal Financial Officer
    
November 14, 2008