Reclaimed water transferred from a provider to a user shall be done on a demand only basis in order that the water is not provided during times it cannot be beneficially used in accordance with this chapter. The reclaimed water user may refuse delivery of such water at any time. However, this section is not intended to change any obligation the user may have by contract or ordinance. All reclaimed water transferred to a user must be of at least the treatment quality for the use specified in §210.32 of this title (relating to Specific Uses of Reclaimed Water).