2025-12-25T04:00:00-08:00
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwest Arizona, including the following areas, Lake Havasu and Fort Mohave, Lake Mead National Recreation Area and Northwest Deserts, southeast California, including the following areas, Cadiz Basin, Death Valley National Park, Eastern Mojave Desert, Morongo Basin, Owens Valley, San Bernardino County-Upper Colorado River Valley and Western Mojave Desert, and southern Nevada, including the following areas, Lake Mead National Recreation Area, Las Vegas Valley, Northeast Clark County, Southern Clark County, Spring Mountains-Red Rock Canyon and Western Clark and Southern Nye County. * WHEN...From late Tuesday night through late Wednesday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood
Summary
The ideal streamflow range for the Santa Maria River is between 200 and 800 cubic feet per second (cfs). The river has a class rating of III to IV, meaning it has moderate to difficult rapids and requires moderate to advanced skills.
The Santa Maria River has a segment mileage of approximately 10 miles. Some of the specific river rapids and obstacles include the Eye of the Needle, Wall Slammer, and the Screaming Left Turn. These rapids offer exciting challenges for experienced whitewater rafters.
Specific regulations for the area include a permit system through the Bureau of Land Management (BLM) and a limit on the number of daily users. Additionally, all visitors must pack out their trash and follow Leave No Trace principles to protect the natural environment.
River Run Details
| Last Updated | 2025-06-06 |
| River Levels | 0 cfs (1.37 ft) |
| Percent of Normal | 0% |
| Status | |
| Class Level | None |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 09424900 |
Weather Forecast
Nearby Streamflow Levels
Area Campgrounds
| Location | Reservations | Toilets |
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Camp Area E
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Camp Area C
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Camp Area D (undeveloped)
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Group Camp Area
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Ramada Area
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Complete Hookups
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Santa Maria River
Bill Williams River