Latest updates, research, and solutions for the Tijuana River sewage crisis and coastal conservation in Imperial Beach and South Bay San Diego
A groundbreaking 2023 study reveals critical differences between traditional Enterolert and newer ddPCR testing methods at Coronado beaches, with ddPCR showing a shocking 56.3% false positive rate that led to unnecessary beach closures.
How San Diego County switched to an unproven testing method that closes beaches 56% of the time when water is actually safe—and why C4CC is the only organization fighting to expose it.
C4CC is the only local nonprofit in the Tijuana River watershed with a proven, cost-effective solution to end the sewage crisis. Learn how operating PBCILA at full capacity can reduce transboundary pollution by 78% using off-the-shelf technology—at a fraction of the cost of new treatment plants.
A comprehensive analysis of International Boundary and Water Commission agreements reveals how Mexico's 1990 commitment to prevent all cross-border sewage discharges has been systematically undermined, shifting the financial and environmental burden to U.S. taxpayers.
How a well-intentioned Clean Water Act lawsuit by environmental NGOs inadvertently pushed federal agencies away from an efficient $300M solution toward a plan that will discharge 600% more sewage off Imperial Beach.
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