Union Valley water level — California
Union Valley in California was last measured at 251,027 acre-ft of storage (no elevation gauge reported), as of Jul 14, 2026, 7:00 AM (UTC+00:00) (USACE CWMS Data). Figures are provisional readings for reference — not for navigation or safety decisions.
- Pool elevation
- Not reported
- % of conservation pool full
- Not reported
- Storage
- 251,027 acre-ft
- Recent trend
- Not enough data
This station reports storage but no elevation gauge — its managing agency does not publish a pool-elevation reading here.
Recent trend
The last 90 days of readings at this station, downsampled for display.
Not enough recent readings to show a trend.
Data: USGS Water Services (waterservices.usgs.gov) and USACE CWMS Data (cwms-data.usace.army.mil), retrieved 2026-07-14. Both public domain (a work of the U.S. Government, 17 U.S.C. §105).
Water levels here are provisional readings for general reference only. Conditions vary and readings can be revised. Always confirm current conditions with the managing agency before making navigation, boating, or dam-safety decisions.
Source: USACE SPK/Union Valley, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). Official page for this lake →
Nearby lakes
The six nearest published lakes by centroid distance (great-circle) — cross-state neighbors included.
| Lake | State | Level | Distance |
|---|---|---|---|
| Lake Tahoe | CA | 6,228.28 ft | 45 km |
| Donner Lake | CA | 5,934.96 ft | 53 km |
| Marlette Lake | NV | — | 57 km |
| Martis Creek-Pool | CA | 5,781.11 ft | 59 km |
| Prosser C Reservoir | CA | 5,730.41 ft | 63 km |
| Folsom Dam and Lake | CA | 446.94 ft | 64 km |
Frequently asked questions
- What is the current water level of Union Valley?
- This lake reports storage (251,027 acre-ft as of Jul 14, 2026, 7:00 AM (UTC+00:00)) but no elevation gauge — its managing agency does not publish a pool-elevation reading here.
- Is Union Valley full right now?
- Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.
- Where does this data come from?
- From USACE SPK/Union Valley, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). See the official link and the methodology page for the full source and update cadence.
- Is this safe to use for boating or navigation?
- No. Levels here are provisional readings for general reference only — not for navigation, dam-safety, or other safety decisions. Always confirm current conditions with the managing agency before making those calls.
More in California
See every lake tracked in California, or read the methodology behind these figures.