Establishes an allocation of an annual aggregate of one hundred thousand acre feet of water from the Columbia river mainstem and the Lower Snake river mainstem in perpetuity. The waters allocated under this act are available for appropriation and use for biofuel irrigation and organic crop irrigation. The department is authorized and directed to issue permits and certificates for the uninterruptible appropriation and use of the water allocated under this act, but solely for the purpose of biofuel irrigation and organic crop irrigation.