In a lengthy feature published this week, The Wall Street Journal examined how the ongoing flow of sewage-contaminated wastewater from Tijuana is increasingly impacting Coronado, a city long synonymous with pristine beaches, luxury tourism, and some of Southern California's most desirable oceanfront real estate.
For decades, the cross-border sewage crisis was largely viewed as an Imperial Beach problem. Residents of the South Bay have spent years warning that untreated wastewater flowing north from Mexico was damaging beaches, harming public health, and threatening local businesses. Now, as detailed in The Wall Street Journal, the effects are becoming increasingly visible in Coronado, a community that many once assumed would remain insulated from the problem.
The newspaper described tourists arriving at Coronado's famous beaches only to encounter warning signs advising against entering the water because of elevated bacteria levels. It reported that beaches near the Hotel del Coronado, where rooms can exceed $1,000 per night, have faced repeated closures due to contamination concerns. Local business owners, surfers, residents, and public officials all expressed concern that the city's reputation could suffer lasting damage if the problem is not addressed.
Coronado Mayor John Duncan told The Wall Street Journal that tourism-dependent businesses are already feeling the impact.
"When the reputation sticks that it's dirty to come here, it's going to be a huge problem," Duncan said.
The article serves as perhaps the clearest indication yet that the sewage crisis has evolved from a regional environmental issue into a national story.
For many San Diegans, however, the attention is long overdue. The flow of wastewater from Tijuana has plagued South County beaches for decades. Rapid population growth in Tijuana, combined with aging infrastructure and insufficient wastewater treatment capacity, has resulted in millions of gallons of sewage-contaminated water entering the Pacific Ocean. Ocean currents frequently carry that pollution northward along San Diego County's coastline.
What has changed in recent years is the scale of the problem. Officials have reported increasing impacts not only in Imperial Beach but also at Silver Strand State Beach and portions of Coronado. According to reporting cited by The Wall Street Journal, Silver Strand experienced unsafe bacteria levels on 265 days last year. Areas adjacent to Naval Special Warfare training facilities have also been affected.
The issue has become particularly concerning because Coronado occupies a unique place in California's tourism economy. The city is home to some of the state's most valuable waterfront real estate, the internationally recognized Hotel del Coronado, Naval Base Coronado, and some of the most photographed beaches on the West Coast. When pollution warnings begin appearing in a destination that serves as a postcard for Southern California tourism, the economic consequences become far more difficult for policymakers to ignore.
The timing is especially troubling for California's tourism and hospitality industries. Restaurants, hotels, and visitor-serving businesses are already navigating rising labor costs, insurance premiums, food prices, and slowing discretionary consumer spending. Any perception that local beaches are unsafe could further impact visitor traffic throughout the region.
At the same time, federal officials have promised progress. The Environmental Protection Agency has identified the Tijuana River sewage crisis as a priority issue, and both the United States and Mexico have committed funding toward infrastructure improvements intended to reduce the amount of untreated wastewater reaching the coast. Multiple treatment plant upgrades and expansion projects are currently underway. Yet many local residents remain skeptical after years of delays, funding disputes, and repeated promises.
The reality is that solving the problem will require significant investments on both sides of the border. Estimates for a comprehensive solution have exceeded $1 billion. Until then, San Diego finds itself confronting an uncomfortable reality: one of its most iconic coastal destinations is increasingly being defined by a problem that many officials spent years treating as someone else's issue.
For Imperial Beach residents, that reality is nothing new. For Coronado, it may be a wake-up call.
And thanks to The Wall Street Journal's national spotlight, it is now a wake-up call the rest of the country can see as well.
Originally published on June 20, 2026.