Upper Twin Lake water level
Source: waterdata.usgs.gov/monitoring-location/USGS-10290300, accessed August 31, 2026
Upper Twin Lake's elevation is 7207.35 ft as of August 31, 2026. Upper Twin Lake is near Bridgeport, California. It has boat launch, managed by Private / local concession (Bridgeport area).
Upper Twin Lake level history
Highs and lows are daily readings in the published data, not official records. Source: USGS daily data.
Elevation, ft, since 2024
Upper Twin Lake is falling: 7207.35 ft, down 0.51 ft since July 1, 2026.
On this same date last year (September 1, 2025), Upper Twin Lake was 7206.59 ft, 0.76 ft lower than today's 7207.35 ft.
Weekly averages of the source's daily readings; older years may be monthly or sparser where that is all the source published. Download the charted data (JSON).
Upper Twin Lake map
Upper Twin Lake is at 38.1541, -119.3504. Open in OpenStreetMap.
The dam
- Irrigation
- Water supply
Sources: nid.sec.usace.army.mil, accessed September 29, 2026
Visiting Upper Twin Lake
- Boat launch
Good to know:
- NID operator type is private. Paired with Lower Twin Lake near Bridgeport; verify resort/marina rules locally. Fees not invented.
Sources (1) ▾
On the water
No campgrounds, boat ramps, or swim spots linked to Upper Twin Lake yet.
Common questions
- Upper Twin Lake's elevation is 7207.35 ft as of August 31, 2026.
- In USGS daily data since January 2, 2024, Upper Twin Lake's highest elevation was 7,208.89 ft on June 3, 2025. Its lowest since January 2, 2024 was 7,203.03 ft on December 10, 2024. These are the highest and lowest daily readings in the published data, not official records.
- Upper Twin Lake is near Bridgeport, California (38.1541, -119.3504).
- Private operates the dam at Upper Twin Lake.
- Upper Twin Lake's dam is used for Irrigation, Water supply.