Signs warning of sewage contamination are posted along Cardiff State Beach near the San Elijo Lagoon.
The warnings follow a sewage spill at the Escondido sewage treatment plant in the 1300 block of South Hale Avenue just before 5:30 p.m. Sunday evening.
According to The Department of Environmental Health, an electrical failure caused the nearly 250,000 gallon spill.
Crews stopped the spill within 25 minutes, but sewage flowed into the Escondido Creek, which drains into the San Elijo Lagoon. The Lagoon meets the ocean in Cardiff.
In spite of the warnings, several surfers were still in the water Monday morning. They said based on the tide, they weren't worried about contamination.
"The tide is coming in, the water will be flushing into the lagoon as opposed to going out. I wouldn't surf here if the tide was going out, then it would suck all the contamination out there," said Stuart Grauer.
Other experienced surfers said it would probably take a day for the contamination to reach the lagoon via the creek and they will considering staying out of the water at that time.
"It's a ways off, probably tomorrow. I don't know, just have to check it out tomorrow to see how the conditions are," said another surfer.
The signs will remain in place until water sampling shows it is safe for recreational use
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