SAN DIEGO–The Department of Environmental Health has closed the Imperial Beach shoreline near the Tijuana Slough National Wildlife Refuge due to sewage-contaminated runoff in the Tijuana River.

Sewage-contaminated runoff in the Tijuana River has been entering the Tijuana Estuary as a result of recent rainfall.

Signs warning of sewage contaminated water will remain in place until field measurements indicate the ocean water is safe for recreational u