Sewage-contaminated runoff spreading into Imperial Beach and Silver Strand State Beach ocean water has prompted officials to issue a water closure for the area.
The water contact closure was first issued for the Tijuana Estuary after runoff entered the Tijuana River following heavy rainfall.
On Wednesday, officials noticed signs of the sewage passing into new territory.
The warning signs indicating the closure will remain in place until field measurements determine the water is safe for recreational use.