Freshwater Harmful Algal Bloom (FHAB) Office of Information Management and Analysis State Water Resources Control Board reports updated in last 7 days mywaterquality.ca.gov/habs List created on: 07-Aug-20 For more information, contact: View FHABs web map for incident details [email protected]

The list below includes both routine monitoring and event response bloom reports updated by Water Boards staff in the last 7 days. Other water bodies may have previously reported FHABs or currently posted FHAB advisory signs. Check the FHABs incident web map for information about all reports.

Incident Current Regional updated on Waterbody advisory County Board Report # 7/31/2020 Quarry Lakes Danger Alameda 2 2178 7/31/2020 Lake Temescal Danger Alameda 2 2181 7/31/2020 Big Break Regional Danger Contra Costa 5 2177 Shoreline - Kayak Launch Area 8/6/2020 Clear Lake - Elem Indian Danger Lake 5 2151 Colony Site 1 (ELEM01) 8/6/2020 Clear Lake - Lily Cove (LC01) Danger Lake 5 2164 8/5/2020 Lake Henshaw, South shore Danger San Diego 9 2273 8/5/2020 Lake Henshaw Danger San Diego 9 2263 8/6/2020 Clear Lake - West of Warning Lake 5 2154 Sulphur Bank Mercury Mine (SBMMEL01) 8/6/2020 Clear Lake - Redbud Park Warning Lake 5 2155 (RED01) 8/6/2020 Clear Lake - Austin Park Warning Lake 5 2152 (AP01) 8/6/2020 Clear Lake - Jago Bay (JB) Warning Lake 5 2160 7/31/2020 Pyramid Lake, Warning Los Angeles 4 2244 outlet/Angeles Tunnel inlet 7/31/2020 Pyramid Lake, Vaquero Warning Los Angeles 4 2245 Swim Beach 7/31/2020 Pyramid Lake, Emigrant Warning Los Angeles 4 2256 Landing Swim Beach 7/31/2020 Lake Chabot (Alameda Co) Caution Alameda 2 2180 7/31/2020 Caution Alameda 2 2222 7/31/2020 Lake Anza Caution Alameda 2 2179 8/5/2020 Red Lake, Hwy 88 Carson Caution Alpine 6 2260 Pass

Page 1 of 3 Incident Current Regional updated on Waterbody advisory County Board Report # 8/4/2020 inlet Caution Contra Costa 5 2235 8/6/2020 Clear Lake - Clearlake Oaks Caution Lake 5 2150 near Water Intake (CLOAKS01) 8/6/2020 Clear Lake - Oaks Arm, Caution Lake 5 2167 Center of the Lake (DWR Site CL-4) 8/6/2020 Clear Lake- Lower Arm, Caution Lake 5 2166 Center of the Lake (DWR site CL-3) 8/6/2020 Clear Lake - Clearlake Keys Caution Lake 5 2162 (03) 8/6/2020 Clear Lake - Cache Creek Caution Lake 5 2153 Shady Acres (SHADY01) 8/6/2020 Clear Lake - Lakeport 1st Caution Lake 5 2147 Street Ramp (LPTNT) 8/6/2020 Clear Lake - Buckingham Caution Lake 5 2143 Park (BP) 8/6/2020 Clear Lake - Rodman Caution Lake 5 2156 Slough (RODS) 8/3/2020 Indian Lakes, Coarsegoald Caution Madera 5 2349 8/6/2020 Unnamed lake near Devil's Caution Placer 5 2353 Peak (Placer Co.) 8/6/2020 Cucamonga-Guasti Caution San 8 2284 Regional Park Lakes Bernardino 8/3/2020 UC Davis Arboretum Lake Caution Yolo 5 2341 7/31/2020 Thermalito Forebay Swim None Butte 5 2253 Beach 8/4/2020 , West Branch None Butte 5 2350 7/31/2020 Lake Oroville, North Fork None Butte 5 2295 7/31/2020 Thermalito Afterbay Swim None Butte 5 2252 Beach 8/5/2020 Star Lake None El Dorado 6 2342 8/6/2020 Clear Lake - Soda Bay Cove None Lake 5 2144 (CLV7) 8/6/2020 Clear Lake - Horseshoe None Lake 5 2158 Bend (HB) 7/31/2020 , Outlet None Los Angeles 4 2233 7/31/2020 Castaic Lake, Boat Launch None Los Angeles 4 2231

Page 2 of 3 Incident Current Regional updated on Waterbody advisory County Board Report # 7/31/2020 Castaic Lake, Lagoon Swim None Los Angeles 4 2232 Beach 7/31/2020 None Plumas 5 2237 7/31/2020 , Perris Swim None Riverside 8 2243 Beach 7/31/2020 Lake Perris, Moreno Swim None Riverside 8 2241 Beach 7/31/2020 Lake Perris, outlet None Riverside 8 2242 7/31/2020 , outlet None San 6 2249 Bernardino 7/31/2020 Silverwood Lake, Sawpit None San 6 2250 Swim Beach Bernardino 7/31/2020 Silverwood Lake, Cleghorn None San 6 2248 Swim Beach Bernardino

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