Effective November 14, 2008, the property located at 9302 Pittsburgh Avenue, Suite 210, Rancho Cucamonga, California will serve as the corporate headquarters of Basin Water, Inc. (the "Company"). The Company leased this office space, which covers approximately 10,958 rentable square feet (10,038 usable square feet), pursuant to a Standard Multi-Tenant Office Lease (the "Lease Agreement"), dated as of June 1, 2007, with Sixth & Pittsburgh, LLC. The Lease Agreement provides for, among other things, a term of 63 months, an option to extend the term of the lease for an additional five years and monthly rent in the amounts set forth in the table below.

                                             Monthly
                            Term Months    Rental Rate
                            Month 1        $  21,368.00
                            Months 2-4     $       0.00
                            Months 5-33    $  21,368.00
                            Months 34-63   $  22,971.00

In addition, the Company has agreed to pay 33.2% of the operating expenses of the premises, which represents its share of the rentable space of the premises.

The foregoing description of the Lease Agreement contained in this Item 1.01 does not purport to be complete and is qualified in its entirety by reference to the full text of the agreement, a copy of which is attached hereto as Exhibit 10.35.

(d) Exhibits.

Exhibit     Document

 10.35      Standard Multi-Tenant Office Lease, dated June 1, 2007, between Basin
            Water, Inc. and Sixth & Pittsburgh, LLC