Prado Dam reservoir
Prado Dam
Prado Dam is a concrete gravity dam located on the Santa Ana River in Riverside County, California. It was completed in 1941 and stands at a height of 106 feet. The dam is responsible for regulating the water flow of the Santa Ana River, which is the largest river in Southern California. The hydrology of the area is heavily influenced by snowpack and surface flow from the San Gabriel Mountains and San Bernardino Mountains. The dam provides water for various agricultural uses in the region as well as for recreational purposes at nearby parks and reservoirs. The area around the dam is also home to a variety of wildlife, including endangered species like the Santa Ana sucker fish.
Daily levels at Prado Dam
Storage volume, pool elevation, and total release plotted from the operating agency's daily observations.
Storage
acre-ft · code 2
Pool Elevation
ft · code 1
Plan around the weather
Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column on the meteogram -- rain on the basin upstream typically lifts inflow 24-72 hours later.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks.
Nearby streamflow gauges
USGS streamgauges around Prado Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Santa Ana R Bl Prado Dam Ca | 107 cfs | → |
| Temescal C Ab Main St A Corona Ca | 0 cfs | → |
| Cucamonga C Nr Mira Loma Ca | 13 cfs | → |
| Chino C A Schaefer Avenue Nr Chino Ca | 0 cfs | → |
| San Antonio C A Riverside Dr Nr Chino Ca | · | → |
| Carbon C Bl Carbon Cyn Dam Ca | · | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Prado Dam.
⚓ Boat launches
- Eucalyptus Park Road, San Dimas
- Vacation Drive 28736, Canyon Lake
- Goetz Road Riverside County
- Granada Launch Ramp - Long Beach
⛺ Campgrounds
- Prado Regional Park
- Chino Hills - State Park
- Rancho Jurupa Park
- Oso Lake Scout Camp
- Bohelli Regional Park
- Oneill Regional Park
🎣 Fishing spots
- Prado Regional Park, El Lake
- Irvine Lake (Santiago Res)
- Santa Ana River Lakes
- Anaheim Lake
- Tri-City Park Lake
- Cucamonga-Guasti Regional Park Lake
🛶 Paddle runs
- San Mateo Wilderness Boundary To Nf Boundary With Camp Pendleton
- Middle Fork - Commanche Campsite To Middle Fork Trailhead
- Laurel Gulch To Confluence With Mineo Canyon (Se 1/4, Sw 1/4, Sec 17, T2n, R8w)
- North Fork - Confluence Of Soldier And Coldbrook Creeks (Se1/4,Sw1/4, Sec) 5, T2n,,R9w To Conflluence With West Fork Of San Gabriel (Sw 1/4,Sw1/4, Sec 17, T2n, R8w)
- Gaging Station Below Spillway Of Cogswell Dam (Ne 1/4, Se 1/4, Sec 19, T2n, R10w) To Confluence With Nf San Gabriel River (Sw 1/4.Sw 1/4, Sec 15, T2n, R9w)
- East Fork - Confluence Of Vincent Gulch And Prairie Fork (Nw 1/4, Sw 1/4 Sec 16 ) To Laurel Gulch (Nw 1/4, Sw 1/4, Sec 17, T2n, R8w)
Track Prado Dam in the Snoflo app
Save this reservoir as a favorite and set push alerts when storage crosses a threshold (e.g. "alert me at 80% of normal").
About Prado Dam
Where does the data for Prado Dam come from?
Daily storage, pool elevation, and release rates are sourced from USGS, USBR, and USACE monitoring stations. Weather forecast comes from NOAA / yr.no -- the same feed Snoflo's iOS app uses.
How often is the report updated?
Storage observations are updated daily by the operating agency. The 15-day weather forecast refreshes throughout the day. Snoflo caches and renders the most recent observation -- check the "as of" timestamp on the storage card.
What does the Hazard hazard rating mean?
The Corps of Engineers' hazard potential classification grades probable consequences if the dam fails: High = probable loss of human life; Significant = no probable loss of human life but possible economic loss / environmental damage; Low = no probable loss of human life, only minor economic / environmental losses. See the Dam Data Reference card above for the full definitions.
What's "% of normal"?
The current storage value compared to the historical average storage on this calendar day. 100% = right on average; values above 100% mean above-normal storage (wet year); values below mean below-normal (dry year or drought).
Can I get alerts when storage crosses a threshold?
Yes -- alerts are managed in the Snoflo iOS app. Favorite this reservoir, set a threshold, and you'll get a push the moment conditions cross.
Other water bodies near here
Snoflo-tracked reservoirs and dams within driving distance of Prado Dam.