Prado Dam Summary

Compiled: 21Mar2025 1016

Warning: This automatically generated report has not been screened for errors.
Last Report Reservoir Gages
Location
Elev
(ft-msl)
Storage
(ac-ft)
%
Full
Outflow
(cfs)
Average Inflow
Date Time Date Time cfs
Santa Ana River Basin - Reservoir Gages
21Mar 0900 Prado 497.44 -M- --- -M- 21Mar 0200 297
21Mar 0200 Seven Oaks 2228.23 5286 3.6 -M- --- --- -M-
Last Report Precipitation Gages
Location
Totals (inches)
Date Time 1 Hour 3 Hour 6 Hour 24 Hour
Precipitation Gages Above Prado Dam (Northeastern Valley)
21Mar 0215 Lytle Ck-abv Prado 0.0 0.0 0.0 0.0
21Mar 0230 San Timoteo Ck-abv Prado 0.0 0.01 0.01 0.02
21Mar 0215 Demens Ck DB-Cucamonga Ck abv Prado 0.0 0.0 0.0 0.0
21Mar 0215 Devore FS-Lytle Ck abv Prado 0.0 0.0 0.0 0.0
Precipitation Gages Above Prado Dam (Eastern Mountains)
21Mar 0215 Beaumont-San Timoteo Ck abv Prado 0.0 0.0 0.0 0.0
21Mar 0215 Oak Glen-San Timoteo Ck abv Prado 0.0 0.0 0.0 0.0
21Mar 0215 Converse FS-abv Seven Oaks 0.0 0.0 0.0 0.0
21Mar 0215 Big Bear-abv Seven Oaks 0.0 0.0 0.0 0.0
21Mar 0215 Heart Bar-abv Seven Oaks 0.0 0.0 0.0 0.0
Vicinity of Prado Dam (Valley)
21Mar 0230 Cucamonga Ck-abv Prado 0.0 0.0 0.0 0.0
21Mar 0215 Lake Mathews-Temescal W abv Prado 0.0 0.0 0.0 0.0
21Mar 0200 Prado 0.0 0.0 0.0 0.0
Downstream of Prado Dam
21Mar 0200 Carbon Canyon 0.0 0.0 0.0 0.0
21Mar 0230 Villa Park 0.0 0.0 0.0 0.0
21Mar 0230 5th St-SAR in Santa Ana 0.0 0.0 0.0 0.0
Last Report Stream Gages
Location
Stream Flow Gage Height Change In Peak Flow (cfs)
Date Time (cfs) (% Full) (ft) (% Depth) Time (hr) Flow (cfs) Last 3 Days
Above E Street
21Mar 0145 Mentone-SAR blw Seven Oaks 113 0.0 7.5 57.7 0.25 -6 142
21Mar 0230 San Timoteo Ck-abv Prado 3 N/A 0.92 N/A 0.25 0 11
E St-SAR in San Bernardino: No stage report in 14 days
Above MWD Crossing
21Mar 0215 Warm Ck-blw Lytle Ck Div abv Prado 3 0.0 1.12 7.5 0.25 0 7
21Mar 0215 Colton-Lytle Ck abv Prado 1 N/A 1.99 N/A 0.25 0 1
21Mar 0200 MWD Crossing-SAR abv Prado 79 N/A 3.68 N/A 0.25 1 137
Chino and Cucamonga Creeks
21Mar 0200 San Antonio Ck-abv Prado 0 0.0 1.13 8.7 0.25 0 0
21Mar 0130 Chino Ck-abv Prado 1 0.0 3.96 29.3 0.25 0 1
21Mar 0145 Cucamonga Ck-abv Prado 57 0.0 2.02 10.5 0.25 26 348
Temescal Wash
21Mar 0215 Temescal W-abv Prado 31 0.0 2.56 25.6 0.25 0 38
San Jacinto River abv Elsinore
21Mar 0200 San Jacinto US-San Jacinto R 4 N/A 2.88 N/A 0.25 0 20
San Jacinto DS-San Jacinto R: No stage report in 14 days
21Mar 0200 Lakeview-San Jacinto R 0 N/A 6.38 N/A 0.25 0 0
21Mar 0245 Sun City-San Jacinto R 0 N/A 7.35 N/A 0.25 0 1
21Mar 0230 Elsinore-San Jacinto R 8 N/A 3.62 N/A 0.25 0 28
Stream Gages Below Prado Dam
21Mar 0245 Prado DS-SAR 310 0.0 3.18 15.9 0.25 0 713
21Mar 0200 Santiago Ck-blw Prado 0 0.0 7.31 N/A 0.25 0 0
21Mar 0230 5th St-SAR in Santa Ana 5 0.0 1.56 5.8 0.25 0 6