Water System Improvements - $26,335,000 UNLIMITED TAX BONDS, SERIES 2022

Ongoing construction improvements at Water Plant No. 1, located in Port Isabel, replaced the existing Water Treatment Plant #1 conventional sand filters, steel ground storage tanks, and high service pump station with a 5 million gallons per day (MGD) membrane treatment facility including the following improvements:

• New raw water pump station at Reservoir No. 1 is complete, pending start up.

• New seawater-rated microfiltration (MF) treatment system housed in a new facility,

  • Microfiltration building and equipment installation is 90% complete. Start-up and commissioning using Rio Grande diversions to begin January 2026. Final completion is anticipated by May 2026.

• New high service pump station is in progress,

• Associated electrical, instrumentation, and Supervisory Control and Data Acquisition (SCADA) improvements,

  • New MF Building is energized, and transfer of existing infrastructure to new electrical service is pending completion.

• 1.5 million gallon (MG) pre-stressed concrete ground storage tank (GST) is complete.

 

Water System Improvements - $12,980,000 WATERWORKS AND SEWER SYSTEM REVENUE BONDS, SERIES 2023

Laguna Madre Water District obtained additional funding through Texas Water Development Board’s (TWDB’s) Drinking Water State Revolving Fund. The following construction contracts are in progress using these funds:

• CID 01: Water Plant 2 / Reservoir No. 3 Raw Water Transfer Pump Station – Notice to Proceed issued March 4, 2025, for the following work:

  • New raw water transfer structure and intake pumps to convey Rio Grande diversions from Laguna Vista to Port Isabel.

  • Yard piping and associated valves, structures, and appurtenances

  • Demolition of the existing Raw Water Transfer Pump Station that pumps Rio Grande divsersions from Laguna Vista to Port Isabel.

  • Associated electrical, instrumentation, and Supervisory Control and Data Acquisition (SCADA) improvements

  • Project is 24% complete based on amount paid to date. Anticipated completion in May 2026.  

• CID 02: Water Plant No. 2 High Service Pump Station – Texas Water Development Board approved Plans and Specifications on November 5, 2025. Construction Contract awarded to Ferguson Service Systems, Inc. on November 12, 2025, issuance of notice to proceed is anticipated before the end of January 2026 to commence a 500 day Contract Time. Description of Work includes:

  • Site improvements to existing pump station in Laguna Vista including grading, fill, and a retaining wall.

  • CMU building addition to the existing pump station

  • Installation of Vertical Turbine Pumps.

  • Demolition and replacement of existing valves and appurtenances

  • Demolition and replacement of existing ductile iron piping with carbon steel piping.

  • Installation of variable frequency drives to the existing and proposed pump motors.

  • Associated electrical, instrumentation, and Supervisory Control and Data Acquisition (SCADA) improvements.

  • Associated electrical, structural, architectual and HVAC installations in the proposed building addition

  • Miscellaneous electrical, structural, architectural and HVAC improvements to the existing pump station building.      

• CID 03: Water Plant No. 1 Elevated Storage Tank No. 6 – new 600,000 gallon composite elevated storage tank under construction next to Water Plant No. 1 in Port Isabel. Construction is 83% complete. Work pending completion includes mechanical valves / piping & plumbing in chamber, mixing system, and electrical service. District anticipates commissioning tank in February 2026.

• CID 04: Emergency Standby Generator – Backup power for Water Plant 1 is proceeding as a stand alone contract. Notice to Proceed was July 7, 2025 with a final completion of February 7, 2027. Concrete slab for generator is in place. Work will proceed upon delivery of Generator, which has a long lead time.  

 

Seawater Desalination Plant - $10,000,000 UNLIMITED TAX BONDS, SERIES 2024 & $64,655,000 UNLIMITED TAX BONDS, SERIES 2025

Laguna Madre Water District has financed the project through the State Water Implementation Revenue Fund for Texas for planning, acquisition, design and construction of a seawater desalination plant. Proposed improvements include a new Intake Structure at the Port Isabel Channel Turning Basin and additional treatment improvements, including Reverse Osmosis, to supplement Rio Grande water supply with seawater. Pilot Study, permitting, and design are proceeding at this time.
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Long Island Village Defined Area Water and Sewer Improvements - $20,800,000 UNLIMITED TAX BONDS, TAXABLE SERIES 2023

Construction of Sanitary Sewer, Water and Paving Improvements for Long Island Village Seaside Living Community (i.e. new waterlines, wastewater collection system, yardlines, and pavement) is 45% complete as of November 30, 2025. Water/wastewater Contractor is coordinating with AEP to install electrical conduit before paving roads; watermain on East Oyster Drive and West Oyster Drive is being disinfected in January 2026. Meter installation will begin on January 20th, and plumber may begin connecting homes and activate accounts during the billing cycle ending on February 18, 2026. Paving of additional streets is pending completion of electrical installation and sewer construction.