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Board approves Amendment 10 for Northeast water reclamation and treatment project; design-phase contract increases by $11.68 million
Summary
Collier County approved Amendment 10 to an existing agreement with Corolla Engineers for final design and bid documents for a Northeast water reclamation facility and regional water treatment plant; the board authorized the $11,682,939.17 amendment and a budget adjustment.
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The Collier County Board on June 24 approved Amendment 10 to agreement 04‑3673 with Corolla Engineers Inc., authorizing professional engineering services to complete design, specifications and bid documents for a Northeast Water Reclamation Facility and a regional water treatment plant. The amendment amount approved on the record was $11,682,939.17.
Why it matters: County staff said the facilities — planned near the County Fairgrounds and Orange Blossom Branch development — are intended to meet projected demand in Northeast Collier and support modular expansion as growth occurs. Staff described a design for a 4–6 million gallon per day reclamation facility and a 10 million gallon per day regional water treatment plant; the rough order of magnitude (ROM) reported for construction was about $438 million.
What staff said: Jim Deloney, department head for Public Utilities, presented the amendment and noted the county’s long planning history for the site, beginning initial design in 2004 with reactivation after the 2010 recession and subsequent extensions. “Amendment 10 ensures we will meet demand for finalizing the construction designs for a 4 to 6,000,000 gallon per day water reclamation facility, a 10,000,000 gallon per day regional water treatment plant, and the supporting infrastructure,” Deloney said.
Financial details and procurement: Staff said the county has spent about $10 million on engineering to date; Amendment 10 brings the design‑phase service total to roughly $32 million. The current ROM for construction was presented as approximately $438 million, with an accuracy range staff characterized as –25% to +75% at this stage. Staff said the design fee reflects ~7.4% of ROM and compared favorably to another regional project whose design fee was ~10.4%.
Board action and rationale: Commissioner McDaniel moved for approval; the board voted unanimously to authorize the amendment and associated budget action. Commissioners stressed the project’s long lead time, the need for infrastructure capacity as development proceeds and support for continuity with the original design team.
Ending: Staff plans to proceed with final design and prepare bid documents; construction award was projected for 2028 in staff materials, subject to market conditions and permitting.

