CASTRIES, Saint Lucia — A major water-treatment upgrade serving more than 40,000 residential and commercial customers in northern Saint Lucia is moving toward a contractor decision, with construction expected to begin in November.
The Water and Sewerage Company (WASCO) is preparing to rehabilitate the Theobalds Water Treatment Plant, which supplies communities from Millet to Cap Estate. At an October 7 briefing, project management head Maurice Norville said six firms had submitted proposals and evaluation was in its final stages, according to reporting by St Lucia Times on October 8.
Work is targeted for completion in December 2027. Those dates remain project expectations, not a confirmed construction award or guarantee of uninterrupted service.
Restoring lost treatment capacity
WASCO says the Theobalds plant, built in 1993 and expanded in 2007, has been operating at about 40 per cent efficiency because of ageing and corroded equipment. The rehabilitation aims to restore its original design capacity of 10.8 million gallons a day.
The CARICOM Development Fund (CDF) lists the project as an infrastructure investment approved in April 2025, with funding valued at approximately US$4.9 million. That is broadly equivalent to the EC$13.2 million project cost reported in the latest update.
Planned work includes treatment-system improvements, more efficient automated pumps and solar photovoltaic equipment. The CDF also identifies rainwater-harvesting education and training for communities served by the plant.
Why households and property owners are watching
Reliable water supply affects far more than household convenience. Residential buildings, commercial premises, schools and tourism businesses all depend on predictable service, while repeated shortages can require expensive storage or private water deliveries.
Saint Lucia experienced severe dry conditions earlier this year. WASCO reported reduced inflows at Theobalds and other facilities in May, highlighting how drought and ageing infrastructure can reinforce one another. Heavy rainfall can also raise sediment levels and complicate treatment.
Rehabilitation should improve the plant’s ability to process available raw water, but it cannot by itself guarantee supply during droughts or eliminate losses elsewhere in the distribution network.
The next milestones are the award of the construction contract, mobilisation of works and evidence that capacity and reliability are improving for the communities connected to the system.
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