Home › California Reservoir Levels › Folsom Lake
Folsom Lake Water Level Today
California · Official data from the U.S. Bureau of Reclamation
Water level today · September 27, 2026 (daily reading)
Normal for the date
−0.4 ft from the typical level for this date
407.35 ft above sea level
- vs full pool
- −58.6 ft
- Past 7 days
- −0.9 ft
- vs 1 year ago
- −2.3 ft
What do these numbers mean?
- Water level
- The height of the lake surface in feet above sea level, as measured by the official gauge.
- Full pool
- The level the lake is normally kept at when it is full (gross pool). Above it, the lake is storing flood water.
- Normal for the date
- The typical (median) level on this calendar date across 2006-2025. The normal range is where the lake stood in 8 of 10 years.
Folsom Lake water level chart (last 2 years)
How full is Folsom Lake right now?
Folsom Lake is 58.7 ft below full pool (466.0 ft).
Over the past 7 days the level fell 0.92 ft; over 30 days it fell 5.3 ft.
One year ago the lake stood at 409.7 ft, so it is −2.3 ft compared with the same day last year.
Is Folsom Lake above or below normal?
For September 27, the normal level is about 407.8 ft (the normal range is 374.1 ft to 440.4 ft). Today's level is −0.4 ft compared with normal, within the normal range.
“Normal” here means the median level recorded on this calendar date across 2006-2025. Many reservoirs are drawn down on purpose in fall and winter, so a level below full pool can still be completely normal for the season.
Recent history
| Highest daily level (last 2 years) | 464.40 ft | May 12, 2026 |
| Lowest daily level (last 2 years) | 387.13 ft | December 23, 2024 |
| Same day last year | 409.67 ft | −2.3 ft vs today |
| Full pool | 466.00 ft | gross pool |
Frequently asked questions
- What is the water level of Folsom Lake today?
- The latest reading is 407.35 ft above sea level, reported by the U.S. Bureau of Reclamation on September 27, 2026.
- Is Folsom Lake full?
- No. Folsom Lake is 58.7 ft below its full pool of 466.0 ft.
- What is a normal water level for Folsom Lake at this time of year?
- Based on daily readings from 2006-2025, the typical (median) level for this date is 407.8 ft, and 8 out of 10 years fall between 374.1 ft and 440.4 ft.
- What is the full pool elevation of Folsom Lake?
- Full pool for Folsom Lake is 466.0 ft (gross pool), according to the California Data Exchange Center (DWR).
- What were the highest and lowest levels in the last two years?
- The highest daily level in the last two years was 464.4 ft on May 12, 2026; the lowest was 387.1 ft on December 23, 2024.
Where this data comes from
The water level is published by the U.S. Bureau of Reclamation (station 10775) and refreshed on this page every day. Full pool comes from California Data Exchange Center (DWR); the normal range is calculated from official daily readings for 2006-2025. Recent readings are provisional and may be revised. See data sources & methodology.