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Council advances major groundwater purchase, construction contracts and far-field study as water emergency risk grows
Summary
Facing rainfall shortfalls and falling reservoirs, Corpus Christi City Council approved purchase and construction steps for the Evangeline groundwater project, authorized a major construction amendment to build roads, piping and pump stations, and contracted an expanded far-field model to test environmental effects of brine discharge.
Corpus Christi City Council on Tuesday moved forward on three of the city—s largest near-term water initiatives, approving both a groundwater-rights purchase and construction work intended to bring local well water into the municipal supply while also contracting a new bay-wide hydrodynamic model to measure environmental risks.
The council authorized staff to finalize the Evangeline groundwater purchase agreement and approved a construction-manager-at-risk amendment to begin building access roads, transmission mains and a temporary pump station at the Evangeline site. The council also awarded a professional services agreement to Spheros Environmental Group to expand far-field modeling of Corpus Christi Bay, with Hazen & Sawyer as a subconsultant.
Why it matters: The moves come as Lake Corpus Christi and Choke Canyon sit at single-digit percentages of storage and the city—s drought planning tools show a narrow window before a "level one" water emergency would be projected under several dry-weather scenarios. The Evangeline purchase, a major construction campaign and the reuse and desalination projects council has been advancing are all intended to increase delivered water to the Owen Stevens treatment plant within the next 12'4 months.
What council approved - A one-reading ordinance authorizing the city—s groundwater-rights purchase from the Evangeline property, including revised surface-use payments and hunting/road provisions. Staff said closing remains subject to required drilling and transfer permits and to finalizing surface-use agreements with the landowners. - An amendment to the city—s construction manager-at-risk contract (Garnney Companies) to begin field work for roughly $188 million of construction scope, plus contract-level funds to cover surface-use payments and power contributions. That amendment funds pipe installation, site clearing, a temporary pump station and well connections while permitting continues. - A professional services contract with Spheros to expand a bay-wide hydrodynamic model. Spheros will start immediate modeling work and deliver interim results this spring; a separate dissolved-oxygen study is likely and would take longer and add cost.
What staff says they will do next City staff said the construction work will allow the city to build roads, lay HDPE pipe and put foundation and power work in place so wells can be tied in quickly if permits are issued. Staff emphasized that purchase-closing and drilling-step actions are still contingent on approvals from the San Patricio Groundwater Conservation District and Texas environmental regulators. City staff will update city council and the public as agency hearings and permitting outcomes change.
Quotes from the meeting - City manager Peter Zenoni, introducing the purchase: "These final actions will allow us to execute the water-right agreement. Until the permits are in hand, the agreement doesn't close." - Nick Wkelman, Corpus Christi Water: "With the infrastructure in place we are working toward delivering the first water into the pipeline by late this year, though permitting and hearing outcomes could alter schedule and scope."
What to watch - San Patricio groundwater district: An administrative-law preliminary hearing has been scheduled to decide who has standing to protest the Evangeline production permit. A contested-case outcome could delay well permits by many months; staff told council it will return with options if that happens. - Far-field modeling: Interim hydrodynamic results will be presented in the coming weeks; a full dissolved-oxygen analysis will take longer and likely require additional funding. Those results will be used to assess siting and discharge options for both inner-harbor and offshore desalination proposals.
The council discussion and votes were sharply practical: members pressed staff on contingencies and on costs yet repeatedly called the measures necessary to avoid the deeper consequences of shrinking reservoir supplies. Several council members asked staff to provide updated scenario runs as new weather, permitting or reuse contracts change.
