Reservoir record
Monticello Reservoir
Monticello Reservoir is 75.7% full, holding 26,304 acre feet against a conservation capacity of 34,740 acre feet.
Updated September 5th, 2026
Percent full75.7%
Storage26,304AF
Conservation capacity34,740AF
Change today-32AF
Across the record-925AF
Recorded range75.7% to 78.4%
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 | 75.7% | 26,304 AF | -32 AF |
| September 4th, 2026 | 75.8% | 26,336 AF | +32 AF |
| September 3rd, 2026 | 75.7% | 26,304 AF | -32 AF |
| September 2nd, 2026 | 75.8% | 26,336 AF | -48 AF |
| September 1st, 2026 | 76.0% | 26,384 AF | -48 AF |
| August 31st, 2026 | 76.1% | 26,432 AF | -32 AF |
| August 30th, 2026 | 76.2% | 26,464 AF | -48 AF |
| August 29th, 2026 | 76.3% | 26,512 AF | -32 AF |
| August 28th, 2026 | 76.4% | 26,544 AF | 0 AF |
| August 27th, 2026 | 76.4% | 26,544 AF | -80 AF |
| August 26th, 2026 | 76.6% | 26,624 AF | -48 AF |
| August 25th, 2026 | 76.8% | 26,672 AF | -49 AF |
| August 24th, 2026 | 76.9% | 26,721 AF | -16 AF |
| August 23rd, 2026 | 77.0% | 26,737 AF | -32 AF |
| August 22nd, 2026 | 77.1% | 26,769 AF | -32 AF |
| August 21st, 2026 | 77.2% | 26,801 AF | -16 AF |
| August 20th, 2026 | 77.2% | 26,817 AF | -65 AF |
| August 19th, 2026 | 77.4% | 26,882 AF | -32 AF |
| August 18th, 2026 | 77.5% | 26,914 AF | -49 AF |
| August 17th, 2026 | 77.6% | 26,963 AF | -33 AF |
| August 16th, 2026 | 77.7% | 26,996 AF | -33 AF |
| August 15th, 2026 | 77.8% | 27,029 AF | -67 AF |
| August 14th, 2026 | 78.0% | 27,096 AF | -33 AF |
| August 13th, 2026 | 78.1% | 27,129 AF | -50 AF |
| August 12th, 2026 | 78.2% | 27,179 AF | -50 AF |
| August 11th, 2026 | 78.4% | 27,229 AF | First reading |
Every reading is available in the open water record.