River Runoff Contaminates Water off IB

Signs warning of contaminated water are posted in IB.

Beaches south of Carnation Avenue in Imperial Beach were closed to swimming or other water contact Tuesday when sewage-tainted runoff from the Tijuana River was washed north, the county’s Department of Environmental Health reported.

Sewage-contaminated runoff in the Tijuana River had been entering the Tijuana Estuary as a result of recent rainfall and was still flowing, according to Mark McPherson of the DEH.

Observations made Tuesday prompted DEH officials to suspect northward moving ocean currents pushed the contamination toward the waters at Imperial Beach, he said.

The DEH had previously closed the area at the Tijuana Slough National Wildlife Refuge shoreline.

McPherson said signs warning of the sewage contamination were posted and would remain in place until filed measurements indicated the ocean water was
safe for recreational use.

The Tijuana River has been contaminated with sewage from Mexico for decades, as Tijuana’s sewage collection system has proved no match for the
city’s explosive growth, federal officials have said.

-City News Service

Hazel F. Bailey January 03, 2013 at 02:02 AM
It never ceases to amaze me how the northward flow of contaminated water abruptly stops at Carnation Ave. in IB, rarely contaminating Silver Strand beaches and certainly NEVER contaminating Coronado beaches, yet they get our sand. How is that?


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