11/4/26 Beach and Creek Updates Posted on November 4, 2026 San Mateo County Beach and Creek Postings for November 4, 2026, based off samples collected November 2, 2026 BEACH (PACIFIC-SIDE) POSTINGS: Linda Mar #5 (Linda Mar Blvd.) Fitzgerald Marine Reserve Pillar Point #5 CREEK POSTINGS: San Pedro Creek San Vicente Creek (at Fitzgerald) Frenchman’s Creek (at Venice-North) Pilarcitos Creek (at Venice-South) Pomponio Creek BEACH (BAYSIDE) POSTINGS: Aquatic Park Lakeshore Park Erckenbrack Park Gull Park Marlin Park