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: 25-Jun-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 # 6/19/2020 Quarry Lakes Danger Alameda 2 2178 6/19/2020 Lake Temescal Danger Alameda 2 2181 6/19/2020 Big Break Regional Danger Contra Costa 5 2177 Shoreline - Kayak Launch Area 6/25/2020 Clear Lake - Jago Bay (JB) Danger Lake 5 2160 6/25/2020 Clear Lake - Austin Park Danger Lake 5 2152 (AP01) 6/19/2020 , Basalt Warning Merced 5 2246 Boat Launch 6/22/2020 Lake Henshaw, South shore Warning San Diego 9 2273 6/19/2020 Caution Alameda 2 2222 6/19/2020 Lake Anza Caution Alameda 2 2179 6/19/2020 Lake Chabot (Alameda Co) Caution Alameda 2 2180 6/22/2020 Discovery Bay, at Caution Contra Costa 5 2279 Windward Bay 6/25/2020 Clear Lake - Buckingham Caution Lake 5 2143 Park (BP) 6/25/2020 Clear Lake - Lucerne Caution Lake 5 2149 Harbor Park (LUC01) 6/25/2020 Clear Lake - Elem Indian Caution Lake 5 2151 Colony Site 1 (ELEM01) 6/25/2020 Clear Lake - West of Caution Lake 5 2154 Sulphur Bank Mercury Mine (SBMMEL01) 6/25/2020 Clear Lake - Lily Cove (LC01) Caution Lake 5 2164

Page 1 of 3 Incident Current Regional updated on Waterbody advisory County Board Report # 6/25/2020 Clear Lake - Oaks Arm, Caution Lake 5 2167 Center of the Lake (DWR Site CL-4) 6/25/2020 Clear Lake - Keeling Park Caution Lake 5 2148 (KP01) 6/25/2020 Clear Lake - Soda Bay Cove Caution Lake 5 2144 (CLV7) 6/22/2020 South Yuba River Caution Placer 5 2280 6/25/2020 Salmon Creek Lagoon Caution Sonoma 1 2282 6/24/2020 Red Lake, Hwy 88 Carson None Alpine 6 2260 Pass 6/25/2020 Thermalito Afterbay Swim None Butte 5 2252 Beach 6/25/2020 Thermalito Forebay Swim None Butte 5 2253 Beach 6/25/2020 , near dam None Butte 5 2239 6/19/2020 Pyramid Lake, Vaquero None Los Angeles 4 2245 Swim Beach 6/19/2020 Pyramid Lake, None Los Angeles 4 2244 outlet/Angeles Tunnel inlet 6/19/2020 , Boat Launch None Los Angeles 4 2231 6/19/2020 Castaic Lake, Lagoon Swim None Los Angeles 4 2232 Beach 6/19/2020 Castaic Lake, Outlet None Los Angeles 4 2233 6/19/2020 Pyramid Lake, Emigrant None Los Angeles 4 2256 Landing Swim Beach 6/19/2020 San Luis Reservoir, None Merced 5 2247 Pacheco Pumping Plant 6/19/2020 O'Neill Forebay, boat None Merced 5 2240 launch 6/24/2020 Antelope Lake None Plumas 5 2254 6/18/2020 , Perris Swim None Riverside 8 2243 Beach 6/18/2020 Lake Perris, Moreno Swim None Riverside 8 2241 Beach 6/18/2020 Lake Perris, outlet None Riverside 8 2242

Page 2 of 3 Incident Current Regional updated on Waterbody advisory County Board Report # 6/23/2020 Lopez Lake None San Luis 3 2275 Obispo 6/19/2020 Martinez Marina Contra Costa 2 2278 6/24/2020 Diamond Valley Lake Riverside 9 2261 6/19/2020 Sespe Creek, at Piedra Ventura 4 2276 Bianca Trailhead area

Page 3 of 3