Ventura County Watershed Protection District HSPF Flood Forecasting Models Run Type: Forecast QPF Forecast Model: NWSHRRR QPF Date: 12/20/2025 11:13:00 Report Generated: 12/20/2025 20:35 ****** Ventura River HSPF ****** Location Name Flow Peak Time Alert Stage Spillway Matilija Creek above Reservoir 1024 12/24/2025 08:00 Matilija Dam 553 12/25/2025 23:45 1096.22 1095.38 Matilija Creek below Dam 899 12/24/2025 08:45 NF Matilija Creek 616 12/24/2025 11:45 Ventura River near Ojala 894 12/24/2025 09:00 Ventura River bl Robles Diversion 1310 12/24/2025 12:00 Happy Valley Drain 26 12/24/2025 07:45 Ventura River at Santa Ana Blvd 1676 12/24/2025 09:15 San Antonio abv Spreading Grnds 1548 12/24/2025 07:45 Thacher Creek at Boardman 632 12/24/2025 07:45 Fox Canyon Drain 149 12/24/2025 07:45 Stewart Dam 10 12/25/2025 23:45 905.02 920.00 San Antonio Creek at Camp Confort 2477 12/24/2025 08:00 San Antonio Creek at Old Crk 2013 12/24/2025 08:45 Fresno Canyon 8.1 12/24/2025 07:45 Coyote Creek abv Lake Casitas 641 12/24/2025 07:45 Santa Ana Creek abv Lake Casitas 735 12/24/2025 07:45 Casitas Dam 42 12/25/2025 23:45 567.43 667.00 Ventura River at Foster Park 3423 12/24/2025 09:45 Ventura River WQ at OVSD 3462 12/24/2025 09:45 Canada Larga at Ventura Ave 1537 12/24/2025 08:00 Ventura River at Hwy 101 4335 12/24/2025 10:00 ****** Santa Clara River HSPF ****** Location Name Flow Peak Time Alert Stage Spillway Santa Clara River near Lang 622 12/24/2025 14:30 Mint Canyon 84 12/24/2025 12:45 Boquet Canyon 229 12/24/2025 12:45 SF Santa Clara River 863 12/24/2025 11:45 Santa Clara River at RR 2154 12/24/2025 13:15 Castaic Canyon Creek 35 12/24/2025 11:45 Fish Creek 41 12/24/2025 11:45 Elderberry Canyon Creek 0.6 12/25/2025 10:45 Elderberry Dam 0.0 12/25/2025 23:45 1517.75 1540.00 Necktie Canyon Creek 0.6 12/25/2025 10:45 Elizabeth Canyon Creek 129 12/24/2025 11:45 Castaic Lake Dam 0.0 12/25/2025 23:45 1496.52 1515.00 Castaic Lagoon 0.0 12/25/2025 23:45 1135.81 1136.00 Castaic Creek at Hwy 126 574 12/24/2025 12:15 Santa Clara River near Piru 2838 12/24/2025 15:15 Canada de Los Alamos 48 12/24/2025 09:45 Piru Creek below Buck Creek 631 12/24/2025 23:45 Pyramid Lake 0.0 12/25/2025 23:45 2569.16 2579.00 Piru Creek abv Lake Piru 376 12/24/2025 13:30 Santa Felicia Dam 0.0 12/25/2025 23:45 1041.59 1055.00 Santa Clara River at Torrey Rd 2135 12/24/2025 16:00 Hopper Canyon at Hwy 126 2175 12/24/2025 12:00 Pole Creek 641 12/24/2025 11:45 Sespe Creek at Sespe Gorge 7.4 12/24/2025 18:15 Sespe Creek above Bear Creek 7120 12/24/2025 11:45 Sespe Creek near Fillmore 11552 12/24/2025 11:45 Santa Paula Creek at Steckel Park 1085 12/24/2025 12:00 Santa Clara River at 12th St 15469 12/24/2025 15:15 Fagan Canyon 376 12/24/2025 07:45 Santa Clara River at Freeman 15536 12/24/2025 16:00 Todd Barranca 83 12/24/2025 12:15 Ellsworth Barranca 38 12/25/2025 12:45 Santa Clara River at Hwy 118 15573 12/24/2025 16:30 Harmon Barranca 232 12/24/2025 07:45 Santa Clara River at Hwy 101 15506 12/24/2025 17:30 El Rio Drain 205 12/24/2025 07:45 Moon Ditch 302 12/24/2025 07:45 Santa Clara River at Victoria Ave 15817 12/24/2025 17:45 Santa Clara River at Harbor Blvd 15792 12/24/2025 18:15 ****** Calleguas Creek HSPF ****** Location Name Flow Peak Time Alert Stage Spillway Arroyo Simi abv White Oak 237 12/24/2025 11:45 Arroyo Simi bl Stow St 576 12/24/2025 11:45 Las Llajas Dam 0.0 12/25/2025 23:45 1162.39 1227.00 Arroyo Simi at Royal 1069 12/24/2025 12:15 Arroyo Tapo at Walnut 1.8 12/24/2025 13:00 Arroyo Tapo bl LA Ave 328 12/24/2025 11:45 Runkle Dam 0.3 12/25/2025 23:45 1050.54 1086.50 Bus Canyon 177 12/24/2025 11:45 Bus Canyon WQ 177 12/24/2025 11:45 Arroyo Simi at Madera 2103 12/24/2025 12:00 Sycamore Canyon Dam 2.6 12/25/2025 23:45 780.27 797.00 Happy Camp Canyon 49 12/24/2025 07:45 Arroyo Simi Moorpark bl RR 2512 12/24/2025 13:00 Gabbert Walnut 143 12/24/2025 07:45 Arroyo Las Posas abv Hitch 2607 12/24/2025 13:15 Calleguas Creek bl Hwy 101 2803 12/24/2025 14:15 SB Arroyo Conejo Reino Rd 176 12/24/2025 11:45 SB Arroyo Conejo Rancho Conejo 468 12/24/2025 07:45 Lang Dam 8.5 12/25/2025 23:45 986.10 1034.00 Arroyo Conejo bl Conejo 777 12/24/2025 11:45 NF Arroyo Conejo 333 12/24/2025 11:45 Arroyo Santa Rosa at East Las Posas 82 12/24/2025 11:45 Arroyo Santa Rosa bl Blanchard 130 12/24/2025 12:00 Conejo Creek abv Hwy 101 1806 12/24/2025 12:30 Conejo Creek at Ridge View 1757 12/24/2025 13:00 Calleguas Creek at CSUCI 4507 12/24/2025 14:30 Calleguas Creek at Hwy 1 4402 12/24/2025 15:30 Ferro Dam 0.3 12/25/2025 23:45 150.73 172.00 Santa Clara Drain 12 12/24/2025 08:30 Beardsley Slough at Central 74 12/24/2025 12:45 Las Posas Estates Drain at Hwy 101 19 12/24/2025 12:00 Nyeland Drain 68 12/24/2025 07:45 Cam Hills Drain Abv 101 373 12/24/2025 07:45 Camarillo Hills Drain 373 12/24/2025 07:45 Revolon Slough at Pleasant Valley 947 12/24/2025 08:00 Calleguas Creek at Mugu Drain 5860 12/24/2025 15:15 ****** Arundell/Prince HSPF ****** Location Name Flow Peak Time Alert Stage Spillway Telephone Road Drain 307 12/24/2025 07:15 Arundell Dam 3.0 12/25/2025 23:45 534.92 572.00 Arundell Barranca abv Harbor 988 12/24/2025 07:15 Prince Barranca 150 12/24/2025 07:00 San Jon at Harbor Blvd 220 12/24/2025 07:00 ****** Hueneme Drain HSPF ****** Location Name Flow Peak Time Alert Stage Spillway Hueneme Drain 213 12/24/2025 07:45