Ventura County Watershed Protection District HSPF Flood Forecasting Models Run Type: Forecast QPF Forecast Model: HCB QPF Date: 12/20/2025 21:54:02 Report Generated: 12/21/2025 02:34 ****** Ventura River HSPF ****** Location Name Flow Peak Time Alert Stage Spillway Matilija Creek above Reservoir 2994 12/24/2025 02:45 Matilija Dam 1289 12/24/2025 02:00 1096.77 1095.38 Matilija Creek below Dam 3101 12/24/2025 03:15 NF Matilija Creek 3172 12/24/2025 02:45 Ventura River near Ojala 3085 12/24/2025 03:15 Ventura River bl Robles Diversion 6948 12/24/2025 02:45 Happy Valley Drain 16 12/24/2025 02:45 Ventura River at Santa Ana Blvd 6217 12/24/2025 03:15 San Antonio abv Spreading Grnds 3512 12/24/2025 02:45 Thacher Creek at Boardman 1411 12/24/2025 02:45 Fox Canyon Drain 90 12/24/2025 02:45 Stewart Dam 2.3 12/26/2025 23:45 903.18 920.00 San Antonio Creek at Camp Confort 6002 12/24/2025 02:45 San Antonio Creek at Old Crk 5519 12/24/2025 03:00 Fresno Canyon 1.2 12/24/2025 02:45 Coyote Creek abv Lake Casitas 170 12/24/2025 08:00 Santa Ana Creek abv Lake Casitas 1689 12/24/2025 02:45 Casitas Dam 14 12/26/2025 23:45 567.20 667.00 Ventura River at Foster Park 10325 12/24/2025 03:45 Ventura River WQ at OVSD 10295 12/24/2025 04:00 Canada Larga at Ventura Ave 709 12/24/2025 09:00 Ventura River at Hwy 101 9795 12/24/2025 04:30 ****** Santa Clara River HSPF ****** Location Name Flow Peak Time Alert Stage Spillway Santa Clara River near Lang 462 12/24/2025 10:45 Mint Canyon 53 12/24/2025 08:45 Boquet Canyon 147 12/25/2025 21:45 SF Santa Clara River 314 12/24/2025 09:00 Santa Clara River at RR 512 12/24/2025 10:00 Castaic Canyon Creek 67 12/24/2025 09:15 Fish Creek 35 12/24/2025 08:45 Elderberry Canyon Creek 0.4 12/24/2025 08:45 Elderberry Dam 0.0 12/26/2025 23:45 1517.71 1540.00 Necktie Canyon Creek 0.3 12/25/2025 21:45 Elizabeth Canyon Creek 100 12/24/2025 09:30 Castaic Lake Dam 0.0 12/26/2025 23:45 1496.49 1515.00 Castaic Lagoon 0.0 12/26/2025 23:45 1135.55 1136.00 Castaic Creek at Hwy 126 230 12/24/2025 09:30 Santa Clara River near Piru 753 12/24/2025 12:45 Canada de Los Alamos 43 12/24/2025 02:45 Piru Creek below Buck Creek 2114 12/24/2025 13:00 Pyramid Lake 0.0 12/26/2025 23:45 2572.25 2579.00 Piru Creek abv Lake Piru 659 12/24/2025 09:30 Santa Felicia Dam 0.0 12/26/2025 23:45 1041.62 1055.00 Santa Clara River at Torrey Rd 349 12/24/2025 13:45 Hopper Canyon at Hwy 126 1958 12/24/2025 08:15 Pole Creek 498 12/24/2025 08:15 Sespe Creek at Sespe Gorge 3.8 12/24/2025 14:45 Sespe Creek above Bear Creek 12402 12/24/2025 07:45 Sespe Creek near Fillmore 23074 12/24/2025 09:45 Santa Paula Creek at Steckel Park 1096 12/24/2025 09:45 Santa Clara River at 12th St 26133 12/24/2025 12:15 Fagan Canyon 261 12/24/2025 08:45 Santa Clara River at Freeman 26222 12/24/2025 12:45 Todd Barranca 62 12/24/2025 10:45 Ellsworth Barranca 22 12/24/2025 13:15 Santa Clara River at Hwy 118 26267 12/24/2025 13:00 Harmon Barranca 74 12/24/2025 08:30 Santa Clara River at Hwy 101 26174 12/24/2025 13:30 El Rio Drain 59 12/24/2025 08:45 Moon Ditch 105 12/24/2025 08:30 Santa Clara River at Victoria Ave 26183 12/24/2025 13:45 Santa Clara River at Harbor Blvd 26099 12/24/2025 14:30 ****** Calleguas Creek HSPF ****** Location Name Flow Peak Time Alert Stage Spillway Arroyo Simi abv White Oak 178 12/24/2025 08:45 Arroyo Simi bl Stow St 360 12/24/2025 08:45 Las Llajas Dam 0.0 12/26/2025 23:45 1160.76 1227.00 Arroyo Simi at Royal 508 12/24/2025 09:15 Arroyo Tapo at Walnut 0.4 12/24/2025 09:00 Arroyo Tapo bl LA Ave 97 12/24/2025 08:45 Runkle Dam 0.1 12/26/2025 23:45 1050.36 1086.50 Bus Canyon 29 12/24/2025 08:45 Bus Canyon WQ 29 12/24/2025 08:45 Arroyo Simi at Madera 732 12/24/2025 09:45 Sycamore Canyon Dam 0.5 12/26/2025 23:45 780.12 797.00 Happy Camp Canyon 37 12/24/2025 08:45 Arroyo Simi Moorpark bl RR 1030 12/24/2025 10:15 Gabbert Walnut 84 12/24/2025 08:45 Arroyo Las Posas abv Hitch 1144 12/24/2025 10:45 Calleguas Creek bl Hwy 101 1061 12/24/2025 11:45 SB Arroyo Conejo Reino Rd 48 12/24/2025 08:45 SB Arroyo Conejo Rancho Conejo 184 12/24/2025 08:45 Lang Dam 1.8 12/26/2025 23:45 985.50 1034.00 Arroyo Conejo bl Conejo 192 12/24/2025 08:45 NF Arroyo Conejo 132 12/24/2025 08:45 Arroyo Santa Rosa at East Las Posas 37 12/24/2025 08:45 Arroyo Santa Rosa bl Blanchard 62 12/24/2025 08:45 Conejo Creek abv Hwy 101 652 12/24/2025 09:30 Conejo Creek at Ridge View 647 12/24/2025 10:15 Calleguas Creek at CSUCI 1689 12/24/2025 12:00 Calleguas Creek at Hwy 1 1611 12/24/2025 13:30 Ferro Dam 0.1 12/26/2025 23:45 150.36 172.00 Santa Clara Drain 3.7 12/24/2025 08:45 Beardsley Slough at Central 24 12/24/2025 09:00 Las Posas Estates Drain at Hwy 101 2.0 12/24/2025 08:45 Nyeland Drain 20 12/24/2025 08:45 Cam Hills Drain Abv 101 159 12/24/2025 08:45 Camarillo Hills Drain 159 12/24/2025 08:45 Revolon Slough at Pleasant Valley 440 12/24/2025 08:45 Calleguas Creek at Mugu Drain 1873 12/24/2025 13:30 ****** Arundell/Prince HSPF ****** Location Name Flow Peak Time Alert Stage Spillway Telephone Road Drain 91 12/24/2025 01:45 Arundell Dam 1.6 12/26/2025 23:45 531.42 572.00 Arundell Barranca abv Harbor 277 12/24/2025 01:45 Prince Barranca 48 12/24/2025 01:45 San Jon at Harbor Blvd 63 12/24/2025 01:45 ****** Hueneme Drain HSPF ****** Location Name Flow Peak Time Alert Stage Spillway Hueneme Drain 28 12/24/2025 09:30