Tulloch Reservoir Water Level Today
California · near Oakdale · Near full pool
- Elevation
- 507.90 ft
- From full pool
- −1.25 ft
- Percent of pool
- 98.4%
- 24-hour change
- −0.07 ft
- 7-day change
- +0.09 ft
- Reading
- Sep 17, 2026 · USACE
Last year at Tulloch Reservoir
Tulloch Reservoir is 1.25 ft below full pool, at 507.90 ft, down 0.07 ft in the last 24 hours. That puts the lake at 98.4 percent of its conservation pool. The top of the flood pool is 2.1 ft higher, at 510.00 ft.
Over the last 7 days the level rose 0.09 ft, and over 30 days it fell 0.38 ft. In the 387 days of readings on this page the high was 509.40 ft on Jun 25, 2026 and the low was 498.57 ft on Mar 25, 2026, a range of 10.83 ft.
The reading is the U.S. Army Corps of Engineers gauge at Tulloch Dam & Reservoir, near Oakdale, taken Sep 17, 2026 and referenced to the NGVD29 datum. This page is rebuilt once a day from the agency feed; it is not a live gauge, so during a fast rise or a scheduled release check the USACE page for hourly values.
Tulloch Reservoir pool elevations
| Current elevation | 507.90 ft |
|---|---|
| Full pool (top of conservation) | 509.15 ft |
| Top of flood pool | 510.00 ft |
| Bottom of conservation pool | 431.00 ft |
| Top of dam | 515.00 ft |
| Inflow | 1,151 cfs |
| Outflow | 1,183 cfs |
| 30-day change | −0.38 ft |
| 1-year high | 509.40 ft (Jun 25, 2026) |
| 1-year low | 498.57 ft (Mar 25, 2026) |
| Vertical datum | NGVD29 |
| Operating agency | U.S. Army Corps of Engineers, SPK district |
Source: U.S. Army Corps of Engineers. Read what full pool and flood pool mean.
More lakes in California
- Lake Oroville 767.67 ft, −128.29 ft from full
- Shasta Lake 984.99 ft, −81.78 ft from full
- Folsom Lake 408.15 ft, −57.85 ft from full
- Lake Isabella 2,557.94 ft, −26.04 ft from full
- New Melones Lake 1,007.63 ft, −75.95 ft from full
- Pine Flat Lake 742.21 ft, −209.11 ft from full
Tulloch Reservoir level questions
What is the water level of Tulloch Reservoir today?
Tulloch Reservoir is at 507.90 ft as of Sep 17, 2026, −1.25 ft relative to full pool (509.15 ft). The 24-hour change is −0.07 ft.
What is full pool at Tulloch Reservoir?
Full pool, the top of the conservation pool, is 509.15 ft (NGVD29). Above that, water is stored temporarily in the flood pool up to 510.00 ft. The bottom of the conservation pool is 431.00 ft.
Is Tulloch Reservoir rising or falling?
Over the last 24 hours the level is −0.07 ft; over 7 days it rose 0.09 ft, and over 30 days it fell 0.38 ft.
Where does this Tulloch Reservoir level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for Tulloch Dam & Reservoir. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.