Hundreds of homeowners in the Loreto Bay development south of Loreto have spent weeks without reliable water service, prompting a formal demand to OOMSAPAS Loreto, the municipal water utility, for an emergency supply plan. The dispute centers on a desalination plant that was built to serve the master-planned community but has operated intermittently for years, leaving residents dependent on trucked-in water during shortages.
Loreto Bay’s Desalination Plant Has Struggled Since Construction
Loreto Bay is a planned resort and residential community located about five kilometers south of Loreto’s historic center, along the Sea of Cortez coast. The development was originally launched in 2005 by a Canadian firm, the Loreto Bay Company, which marketed it heavily to American and Canadian buyers as an eco-friendly beachfront community. The original developer went bankrupt during the 2008 financial crisis, and the project changed hands multiple times before construction resumed.
A key selling point was the on-site desalination plant, designed to provide potable water independent of Loreto’s limited municipal supply. Loreto sits in one of the driest corridors in Baja California Sur, receiving fewer than 150 millimeters of rainfall annually. The town’s aquifer has faced saltwater intrusion for decades, making desalination essential for any large-scale development.
But the plant has been a persistent source of conflict. Ownership and operational responsibility have shifted between the developer, a homeowners’ association, and OOMSAPAS Loreto at various points. Maintenance costs are high, and the plant requires specialized parts that are not available locally. When it goes offline, there is no backup system capable of serving the community’s roughly 500 built homes.
The current crisis began in late May 2025, when the plant reportedly shut down due to a mechanical failure. Residents say they were not given advance notice or a timeline for repairs. Some homeowners have gone more than two weeks relying on water deliveries by truck, known locally as pipas, at their own expense. A single pipa delivery of 10,000 liters costs between 1,500 and 2,500 pesos (roughly $85 to $140 USD), and most homes need multiple deliveries per month during summer heat.
OOMSAPAS Loreto Faces Budget and Infrastructure Gaps
OOMSAPAS Loreto, the decentralized agency responsible for water and sewer service in the municipality, has long operated under financial strain. The agency serves a municipality of approximately 22,000 residents spread across a large, arid territory. Its budget depends on a combination of user fees and state subsidies, both of which have been inconsistent.
Loreto’s broader water infrastructure predates the tourism boom that reshaped the town over the past two decades. The original municipal system was designed for a small fishing and agricultural community. As hotel construction and residential developments expanded along the coast, demand outpaced the system’s capacity. CONAGUA, Mexico’s national water commission, has classified the Loreto aquifer as overexploited since at least 2018.
The relationship between OOMSAPAS and Loreto Bay has been complicated by legal and jurisdictional questions. The desalination plant was built as private infrastructure, but residents argue that once they began paying municipal water fees, the utility assumed an obligation to guarantee service. OOMSAPAS officials have countered that the plant’s maintenance falls outside their normal operating budget and that integration into the municipal system was never formalized through a proper transfer agreement.
This ambiguity has left homeowners in a gray zone. They pay fees to the municipal utility but depend on infrastructure the utility says it does not fully control. Similar disputes have emerged in other Baja California Sur developments where private water systems were built by developers and later expected to function as public utilities.
Summer Heat Raises Health and Property Concerns
Loreto’s summer temperatures regularly exceed 40°C (104°F) between June and September. Extended water outages during this period create health risks, particularly for older residents. A significant portion of Loreto Bay homeowners are retired Americans and Canadians, many over the age of 60.
Beyond health, the outages affect property values and rental income. Loreto Bay homes are frequently listed on short-term rental platforms, and owners who cannot guarantee water service face cancellations. A two-week outage during peak summer booking season can cost individual owners thousands of dollars in lost revenue.
Residents have organized through their homeowners’ association to present a formal petition to OOMSAPAS demanding three things: an immediate emergency water supply at no additional cost, a written timeline for repairing the desalination plant, and a long-term agreement that clarifies the utility’s maintenance obligations.
OOMSAPAS Loreto has acknowledged the situation but has not yet issued a public response to the specific demands. The next scheduled municipal council session, where the issue could be formally addressed, is expected in the first week of July 2025. This story was reported by El Sudcaliforniano.