Tampa renews push for reusing wastewater More than a year after scrapping a controversial toliet-to-tap plan, the city has a new proposal. Â Â Chlorinated water flows over a weir at the Howard F. Curren Advanced Wastewater Treatment Plant. The city has a new plan to convert wastewater to drinking-quality water to replenish its water supply. [ CHRIS URSO | Chris Urso ] TAMPA â Out with the TAP, in with the PURE. Itâs been more than a year since Tampa gave up trying to sell a plan â dubbed the Tampa Augmentation Project or TAP â to convert wastewater to drinking water in the face of environmental and City Council opposition.