Coronado Beach Closed Due to Sewage Contamination

Tijuana River spill impacts shoreline from border to North Beach

Mar. 29, 2026 at 6:51pm

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San Diego County health officials have announced a beach closure in Coronado due to sewage contamination from the Tijuana River flowing into recreational waters. The closure includes the beach at Avenida Lunar and extends from the International Border to North Beach, Coronado. Beachgoers are advised to avoid water contact as the ocean water may contain sewage and cause illness.

Why it matters

Sewage contamination in coastal waters poses a serious public health risk, as exposure can lead to gastrointestinal illnesses, skin infections, and other health problems. This closure highlights the ongoing challenges of managing cross-border pollution issues between San Diego and Tijuana.

The details

The water contact closure is in place for the Tijuana Slough, Imperial Beach, Silver Strand, and the shoreline from north of Avenida Lunar to North Beach Coronado. The latest closure is in addition to an advisory that was already in place for several other beaches in the San Diego area. The public is advised to avoid water contact as the water is impacted by sewage and may cause illness.

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

The players

San Diego County Department of Environmental Health and Quality

The local government agency responsible for monitoring water quality and issuing beach closures and advisories in San Diego County.

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What’s next

The ocean shoreline from the International Border to North Beach, Coronado will remain closed until sampling confirms these areas are safe for water contact.

The takeaway

This beach closure highlights the ongoing challenges of managing cross-border pollution issues and the importance of maintaining clean and safe coastal waters for public health and recreation.