Consultant urges second delivery point and added storage to avoid single‑point failure at Riverstone pump station

Corey Wilkinson said the townrelies on a single delivery point at the Riverstone Pump Station. He described multiple risk scenarios in which an outage at that take point would leave much of Sunnyvale without service and said the master plan prioritizes a second take point (labeled Delivery 0.3) and added ground storage to improve resiliency.

Wilkinson said at least an additional 3,100,000 gallons of storage would be needed to reach an 8‑hour resiliency target recommended by the wholesale provider and that a second delivery point could be sited near existing town property adjacent to an elevated storage tank and a large North Texas transmission main, limiting incremental transmission cost. "We wanna make sure that any products that we provided was gonna help y'all, be able to, have that 2nd take point from North Texas and be able to, survive 1 of those, quote, unquote, doomsday scenarios," he said.

Staff noted that some site work and upgrades are already being designed and that one potential site could use town property near an old fire facility and an existing 72" transmission main to reduce land and transmission construction costs. Funding for the near‑term ground storage tank has a $6.5M allocation from a prior bond series, with additional debt or grant funding expected for completion.