Folsom Lake water level: Folsom 
41.0 ft low
Folsom Lake is 41.0 ft below full pool, about normal for early November. The Folsom Dam and Lake gauge read 398.42 ft at 6:00 AM PST, November 4, 2026.
How Folsom stands today
In early November Folsom normally sits near 401.01 ft, 38.4 ft under full pool, so most of today's gap is the usual seasonal drawdown.
- 398.42 Feet above sea level6:00 AM PST, November 4, 2026, NGVD29 datum.
- −41.04 Feet from full poolFull pool today is 439.46 ft.
- 47.0 Percent of conservation storageWater held above top of inactive, as a share of the pool's capacity.
- −2.59 Feet from normal for Nov 4Median of 2015–2025 is 401.01 ft. Today ranks in the 36th percentile.
- −7.32 Feet from a year ago405.74 ft on November 4, 2025.
- −7.48 Feet over 30 days−1.35 ft over the past 7 days.
The past year, day by day
The shaded band is where Folsom usually sits on each date: the middle 80% of years from 2015 to 2025. The blue line is the past 12 months; the sand line is the 12 months before. Hover or use the arrow keys to read any day.
- Past 12 months
- The 12 months before
- Normal range (middle 80% of years)
- Median
- Full pool
Monthly average since 2008
Readings for the last 30 days
| Date | Level (ft) | Normal (ft) |
|---|---|---|
| November 4, 2026 | 398.41 | 401.01 |
| November 3, 2026 | 398.56 | 401.46 |
| November 2, 2026 | 398.78 | 401.91 |
| November 1, 2026 | 398.90 | 402.35 |
| October 31, 2026 | 399.03 | 402.77 |
| October 30, 2026 | 399.21 | 403.18 |
| October 29, 2026 | 399.47 | 403.57 |
| October 28, 2026 | 399.77 | 403.93 |
| October 27, 2026 | 400.03 | 404.30 |
| October 26, 2026 | 400.24 | 404.68 |
| October 25, 2026 | 400.43 | 405.06 |
| October 24, 2026 | 400.60 | 405.42 |
| October 23, 2026 | 400.82 | 405.73 |
| October 22, 2026 | 401.09 | 406.05 |
| October 21, 2026 | 401.38 | 406.36 |
| Date | Level (ft) | Normal (ft) |
|---|---|---|
| October 20, 2026 | 401.73 | 406.66 |
| October 19, 2026 | 402.06 | 406.96 |
| October 18, 2026 | 402.41 | 407.26 |
| October 17, 2026 | 402.73 | 407.56 |
| October 16, 2026 | 403.01 | 407.84 |
| October 15, 2026 | 403.43 | 408.11 |
| October 14, 2026 | 403.85 | 408.35 |
| October 13, 2026 | 404.08 | 408.45 |
| October 12, 2026 | 404.38 | 408.54 |
| October 11, 2026 | 404.70 | 408.63 |
| October 10, 2026 | 404.97 | 408.74 |
| October 9, 2026 | 405.19 | 408.85 |
| October 8, 2026 | 405.37 | 408.94 |
| October 7, 2026 | 405.56 | 409.01 |
| October 6, 2026 | 405.70 | 409.06 |
Is the water above your dock?
Enter the elevation of your dock, ramp end or a mark on your shoreline, in feet above sea level (NGVD29, the datum the Army Corps of Engineers uses for this gauge). You will see how far the water is above or below it today, and how often it dipped below it in each month since 2016.
| Month | Low year (10th %) | Median | High year (90th %) | Days above your mark |
|---|---|---|---|---|
| January | 384.25 | 414.04 | 425.91 | — |
| February | 402.71 | 421.35 | 430.87 | — |
| March | 400.40 | 430.59 | 444.27 | — |
| April | 414.51 | 445.31 | 459.12 | — |
| May | 440.48 | 455.89 | 463.45 | — |
| June | 441.95 | 459.00 | 463.26 | — |
| July | 417.79 | 441.99 | 460.33 | — |
| August | 395.70 | 420.38 | 451.19 | — |
| September | 389.16 | 411.88 | 441.66 | — |
| October | 386.27 | 406.18 | 432.53 | — |
| November | 390.25 | 400.27 | 422.51 | — |
| December | 386.24 | 409.68 | 425.96 | — |
Other California lakes, lowest first
| Lake | Level (ft) | Vs full pool |
|---|---|---|
| Eastman Lake | 466.12 | 101.5 ft below |
| Hensley Lake | 453.81 | 52.0 ft below |
 Pine Flat Lake | 753.31 | 169.9 ft below |
 Black Butte Lake | 435.72 | 17.6 ft below |
 Lake Mendocino | 724.22 | 13.3 ft below |
 Shasta Lake | 972.06 | 69.3 ft below |
| Stampede Reservoir | 5,919.95 | 22.2 ft below |
 Lake McClure | 772.24 | 37.4 ft below |
 Lake Isabella | 2,554.93 | 5.5 ft below |
 Millerton Lake | 503.57 | 56.2 ft below |
| Prosser Creek Reservoir | 5,706.20 | 2.6 ft above |
 Lake Oroville | 734.67 | 140.2 ft below |
| New Melones Lake | 1,003.77 | 45.8 ft below |
 Lake Berryessa | 427.42 | 12.6 ft below |
Folsom questions
What is full pool at Folsom Lake?
Full pool at Folsom Lake is 439.46 ft above sea level today. The agency's own term for it is “top of conservation.”
Is Folsom Lake full right now?
No. It is 41.0 ft below full pool and holds 47.0% of its conservation storage. In early November Folsom normally sits near 401.01 ft, 38.4 ft under full pool, so most of today's gap is the usual seasonal drawdown.
Is Folsom Lake lower than normal for early November?
No, it is close to normal. The median level on Nov 4 across 2015–2025 is 401.01 ft, and today's 398.42 ft is −2.59 ft from it. In 8 of 10 years the level on this date fell between 383.76 and 422.14 ft.
How does Folsom Lake compare with last year?
A year ago, on November 4, 2025, it stood at 405.74 ft. It is 7.32 ft lower now.
What are the highest and lowest levels since 2008?
In the daily record we hold, which starts in 2008, the highest daily level was 464.41 ft on May 13, 2026 and the lowest was 348.73 ft on December 4, 2015.
How often is this page updated?
We pull new readings from the U.S. Army Corps of Engineers several times a day. This page was last rebuilt on Wed, 04 Nov 2026 15:13:17 UTC. Readings are provisional and can be revised by the agency.