Santa Ana River-Paradise Beach

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The Santa Ana River is tested weekly by Inland Empire Waterkeeper's Stream Team. The Team updates the water quality status of popular recreation sites on Swim Guide as soon as results become available. In California, maximum levels for bacteria are established for recreational open beach waters. Single sample maximum levels are 10,000 total coliform /100 ml. Objectives for freshwater recreation are based on e.coli density. The 30 day geometric mean e.coli density shall not exceed 126/100ml and a single sample limit not to exceed 235/100ml. Swimmers are advised not to swim within 100 feet of a flowing storm drain. Swimmers are also advised to stay out of the water for 72 hours following a rain event in the area.