Paso Robles News|Monday, April 27, 2026
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    Storm surge causes wastewater spill into San Luis Obispo Creek 

    Public advisory to avoid ocean water contact during and after rainstorms

    Approximately 50,000 gallons of partially treated wastewater mixed with diluted rainwater entered the creek

    – Officials from the San Luis Obispo County Public Health Department are advising the public to avoid contact with ocean water at the creek outfall at Avila Beach following the release of partially treated wastewater into the San Luis Obispo Creek.

    According to the City of San Luis Obispo Wastewater Treatment Plant, the release began at 12:40 p.m. due to a storm surge event. Approximately 50,000 gallons of partially treated wastewater mixed with diluted rainwater entered the creek. The release was mitigated by 1 p.m.

    San Luis Obispo County Environmental Health Services has issued beach closure advisories for the creek outfall and beach areas up-coast and down-coast of the Avila Beach Pier. Ocean water samples will be collected tomorrow to assess bacteria levels.

    The San Luis Obispo County Public Health Department advises the public to avoid ocean water contact during and for at least three days following significant rainstorms. Contact with stormwater while swimming or surfing may increase the risk of illnesses such as rashes, fever, chills, ear infections, vomiting, and diarrhea.

    Rainstorm runoff can transport bacteria, viruses, and protozoa from urban areas and watersheds to the ocean, posing health risks. Young children, older adults, and individuals with compromised immune systems are particularly vulnerable.

    Officials urge surfers, swimmers, and others to avoid ocean water, especially near creeks, rivers, storm drains, and other runoff outlets. Anyone who has contact with ocean water should monitor for symptoms and consult a doctor if symptoms persist or worsen.

    For more information on beach water quality, visit SurfSafeSLO.org or call the Ocean Water Monitoring Program Hotline at (805) 788-3411.

     

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    About the author: News Staff

    The news staff of the Paso Robles Daily News wrote or edited this story from local contributors and press releases. The news staff can be reached at info@pasoroblesdailynews.com.

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