League City, Texas, advances major underground water, sewer upgrades with $308 million investment

(UI) — League City, Texas, is making strides in upgrading its water and wastewater infrastructure as part of its Capital Improvement Program (CIP) for FY2024-2028.

The city has allocated $184.42 million to enhance its water system, the largest program in this period, and $123.68 million for wastewater improvements.

The city operates a comprehensive network of ten booster pump stations, four elevated storage tanks, nine groundwater wells, two wastewater treatment plants, 76 lift stations, and extensive water and sewer mains.

Key Projects Underway:

• 36-Inch Water Transmission Main: A 17,730-foot water supply line is being installed from the SH 3 Booster Pump Station to the South Shore Harbor Water Storage and Booster Pump Station. This project will enhance water supply redundancy on the city’s east side. The line has undergone pressure testing and disinfection, with final connections pending due to water quality issues. Project completion is expected by the end of August.
• Willow Branch & FM 518 Sewer Line Replacement: Upgrades are being made to increase the capacity of the sanitary sewer lines along FM 518 and Washington Street. The project, aimed at preventing overflows, has faced delays due to unexpected complications but is nearing completion. Remaining work will be addressed in a future project.
• Pecan Forest and Highland Terrace Waterline Replacement: Approximately 23,000 feet of aging waterlines are being replaced across several neighborhoods. Work is progressing, with pressure testing and integration into the broader water system scheduled for the coming weeks. Substantial completion is expected by January 2025.
• Mary Lane and Tallow Forest Service Area Connection: This project will connect existing waterlines to the city system, previously managed by WCID #1. Construction began in August, with completion of the waterline component expected by the end of the month.

Bidding and Upcoming Projects:

• Jarbo Bayou Force Main Replacement: A trenchless construction method will replace the existing force main to prevent potential contamination of the Bayou. Bids are in, and the construction contract is expected to be awarded in September.
• East Main 24-inch Force Main Replacement: A critical sewer line along FM 2094 is set for replacement due to severe deterioration. The bidding process is expedited, with construction awards expected in September.

Ongoing Design Work:

Several projects are in various stages of design, including the expansion of the Southwest Water Reclamation Facility, which will double its capacity to serve the city’s growing needs, and the rehabilitation of the Dallas Salmon WWTP Influent Wet Well.

These projects are part of League City's long-term effort to ensure reliable and efficient water and wastewater services for its residents, addressing both current demands and future growth.

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