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Residents press council for clearer timeline and scope on desalination modeling
Summary
Public commenters told the council staff briefings on the proposed Hillcrest desalination plant omitted key modeling details, including expansion to far-field hydrodynamic models and consideration of hypoxia; commenters said the omission undermined public trust.
Several public commenters used the meeting’s public‑comment period to press city staff on modeling transparency related to the proposed Hillcrest desalination plant and its planned discharge modeling.
Jason Hale, a local resident, said documents obtained through public‑information requests show that engineering firm GHD prepared a March 19 memo indicating plans to expand a local 3‑D model to a larger “far‑field” domain for Corpus Christi Bay and adjacent Gulf waters and that GHD had proposed running additional scenarios to confirm near‑field results and to assess potential hypoxia. Hale said city staff’s March 25 presentation did not disclose those items and that GHD had told staff on March 25 the modeling was “about halfway” complete, a timeline Hale said conflicted with other internal documents.
Maggie Peacock, another resident, told council members the Carlsbad desalination plant in California — which council members had visited — discharges to the open Pacific Ocean and is not comparable with a plant that would discharge to the more enclosed Corpus Christi Bay system.
City staff did not provide technical rebuttals during public comment, and the comments concluded as requests for clearer disclosure and for staff to present the modeling timeline, domain and scenarios in future briefings. The public record shows no new staff presentation during the meeting and no formal council action on modeling disclosure at that session.
Speakers requested additional public briefings and clearer sharing of modeling deliverables so council members and the public could review design‑level environmental analyses before final design decisions. Commenters framed the requests as technical (model domain and runs) and as transparency issues (what was presented to council vs. what consultants had described in memos and calls).
