Coronado Beach Closure Extended Due to Sewage Contamination

Officials warn of potential illness from polluted ocean waters.

Mar. 29, 2026 at 8:23pm

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San Diego County health officials have extended a beach closure in Coronado due to sewage contamination in the ocean waters. The closure now includes the entire shoreline from the International Border to North Beach, Coronado, and beachgoers are advised to avoid water contact as the water may cause illness.

Why it matters

Sewage contamination in coastal waters poses a serious public health risk, as exposure can lead to various illnesses. This closure highlights the ongoing challenges of managing water quality and infrastructure issues that impact popular recreational areas.

The details

The water contact closure was initially in place for the Tijuana Slough, Imperial Beach, Silver Strand, and the shoreline from north of Avenida Lunar to North Beach Coronado. The closure has now been extended to include the beach at Avenida Lunar as well, due to the Tijuana River flowing and reaching recreational waters. Officials say the ocean water contains sewage and may cause illness.

  • The beach closure was first announced on Saturday, March 29, 2026.

The players

San Diego County Department of Environmental Health and Quality

The local government agency responsible for monitoring and managing environmental health issues, including water quality and beach closures.

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What’s next

Officials will continue to monitor water quality and lift the closure once sampling confirms the areas are safe for water contact.

The takeaway

This extended beach closure in Coronado highlights the ongoing challenges of maintaining clean and safe coastal waters, especially in areas impacted by cross-border sewage issues. It serves as a reminder of the importance of investing in water infrastructure and coordinating regional efforts to protect public health and the environment.