Reservoir record
Lost Creek Reservoir
Lost Creek Reservoir is 89.2% full, holding 10,655 acre feet against a conservation capacity of 11,950 acre feet.
Updated September 5th, 2026
Percent full89.2%
Storage10,655AF
Conservation capacity11,950AF
Change today-10AF
Across the record-278AF
Recorded range89.2% to 91.5%
Record26days
Daily movement
The line follows every verified reading held for this reservoir.
The readings
Daily movement appears only when the previous reading is from the prior calendar day.
| Date | Percent full | Storage | Daily movement |
|---|---|---|---|
| September 5th, 2026 | 89.2% | 10,655 AF | -10 AF |
| September 4th, 2026 | 89.2% | 10,665 AF | -10 AF |
| September 3rd, 2026 | 89.3% | 10,675 AF | -7 AF |
| September 2nd, 2026 | 89.4% | 10,682 AF | -10 AF |
| September 1st, 2026 | 89.5% | 10,692 AF | -10 AF |
| August 31st, 2026 | 89.6% | 10,702 AF | -13 AF |
| August 30th, 2026 | 89.7% | 10,715 AF | -13 AF |
| August 29th, 2026 | 89.8% | 10,728 AF | -7 AF |
| August 28th, 2026 | 89.8% | 10,735 AF | -10 AF |
| August 27th, 2026 | 89.9% | 10,745 AF | -7 AF |
| August 26th, 2026 | 90.0% | 10,752 AF | -17 AF |
| August 25th, 2026 | 90.1% | 10,769 AF | -16 AF |
| August 24th, 2026 | 90.2% | 10,785 AF | -7 AF |
| August 23rd, 2026 | 90.3% | 10,792 AF | -7 AF |
| August 22nd, 2026 | 90.4% | 10,799 AF | -13 AF |
| August 21st, 2026 | 90.5% | 10,812 AF | -10 AF |
| August 20th, 2026 | 90.6% | 10,822 AF | -10 AF |
| August 19th, 2026 | 90.6% | 10,832 AF | -14 AF |
| August 18th, 2026 | 90.8% | 10,846 AF | -10 AF |
| August 17th, 2026 | 90.8% | 10,856 AF | -10 AF |
| August 16th, 2026 | 90.9% | 10,866 AF | -13 AF |
| August 15th, 2026 | 91.0% | 10,879 AF | -14 AF |
| August 14th, 2026 | 91.2% | 10,893 AF | -13 AF |
| August 13th, 2026 | 91.3% | 10,906 AF | -17 AF |
| August 12th, 2026 | 91.4% | 10,923 AF | -10 AF |
| August 11th, 2026 | 91.5% | 10,933 AF | First reading |
Every reading is available in the open water record.