Topaz Canal below Div West Walker Rvr near Topaz, CA
USGS Site No: 10296750 • Topaz Canal • Mono County, CA
Topaz Canal below Div West Walker Rvr near Topaz, CA on the Topaz Canal is currently at 341 cfs (Normal — 32th percentile for this date) . Gage height: 1.72 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 75 | |
| 25th | Low threshold | 222 | |
| 50th (Median) | Normal (median) | 641 | Today: 341 cfs |
| 75th | High threshold | 1,020 | |
| 95th | Very High threshold | 0 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 377 | — |
| May 27, 2026 | 433 | — |
| May 26, 2026 | 566 | — |
| May 25, 2026 | 537 | — |
| May 24, 2026 | 499 | — |
| May 23, 2026 | 479 | — |
| May 22, 2026 | 428 | — |
| May 21, 2026 | 364 | — |
| May 20, 2026 | 351 | — |
| May 19, 2026 | 373 | — |
| May 18, 2026 | 437 | — |
| May 17, 2026 | 530 | — |
| May 16, 2026 | 518 | — |
| May 15, 2026 | 419 | — |
| Apr 20, 2026 | 277 | — |
| Apr 19, 2026 | 276 | — |
| Apr 18, 2026 | 261 | — |
| Apr 17, 2026 | 262 | — |
| Apr 16, 2026 | 270 | — |
| Apr 15, 2026 | 274 | — |
| Apr 14, 2026 | 276 | — |
| Apr 13, 2026 | 283 | — |
| Apr 12, 2026 | 303 | — |
| Apr 11, 2026 | 308 | — |
| Apr 10, 2026 | 293 | — |
| Apr 9, 2026 | 291 | — |
| Apr 8, 2026 | 278 | — |
| Apr 7, 2026 | 275 | — |
| Apr 6, 2026 | 271 | — |
| Apr 5, 2026 | 272 | — |
Station Information
- USGS Site No
- 10296750
- State
- CA
- County
- Mono County
- Coordinates
- 38.6367, -119.5075
- Datum (ft)
- 5,020.0
- HUC Code
- 16050302
Recent Extremes
- Max discharge
-
1,130 cfsMay 11, 2025
- Min discharge
-
18 cfsAug 15, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
West Walker Rv at Hoye Brg near Wellington, NVNormal7.6 mi · 448 cfs
-
West Walker Rv near Coleville, CALow9.1 mi · 383 cfs
-
Aspen C above Leviathan Mine near Markleeville CAHigh9.1 mi · 0 cfs
-
Leviathan C above Mine near Markleeville CANormal9.2 mi · 0 cfs
-
Leviathan Mine Pit Junction Box near Markleeville CANormal9.4 mi · 0 cfs