Reservoir record
Granger Lake
Granger Lake is 98.7% full, holding 51,127 acre feet against a conservation capacity of 51,822 acre feet.
Updated October 20th, 2026
Percent full98.7%
Storage51,127AF
Conservation capacity51,822AF
Change today-41AF
Across the record-695AF
Recorded range97.1% to 100.0%
Record71days
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 |
|---|---|---|---|
| October 20th, 2026 | 98.7% | 51,127 AF | -41 AF |
| October 19th, 2026 | 98.7% | 51,168 AF | -41 AF |
| October 18th, 2026 | 98.8% | 51,209 AF | -122 AF |
| October 17th, 2026 | 99.0% | 51,331 AF | -204 AF |
| October 16th, 2026 | 99.5% | 51,535 AF | -41 AF |
| October 15th, 2026 | 99.5% | 51,576 AF | 0 AF |
| October 14th, 2026 | 99.5% | 51,576 AF | 0 AF |
| October 13th, 2026 | 99.5% | 51,576 AF | 0 AF |
| October 12th, 2026 | 99.5% | 51,576 AF | -41 AF |
| October 11th, 2026 | 99.6% | 51,617 AF | -41 AF |
| October 10th, 2026 | 99.7% | 51,658 AF | 0 AF |
| October 9th, 2026 | 99.7% | 51,658 AF | 0 AF |
| October 8th, 2026 | 99.7% | 51,658 AF | 0 AF |
| October 7th, 2026 | 99.7% | 51,658 AF | 0 AF |
| October 6th, 2026 | 99.7% | 51,658 AF | +82 AF |
| October 5th, 2026 | 99.5% | 51,576 AF | +286 AF |
| October 4th, 2026 | 99.0% | 51,290 AF | +447 AF |
| October 3rd, 2026 | 98.1% | 50,843 AF | +162 AF |
| October 2nd, 2026 | 97.8% | 50,681 AF | +363 AF |
| October 1st, 2026 | 97.1% | 50,318 AF | -41 AF |
| September 30th, 2026 | 97.2% | 50,359 AF | -80 AF |
| September 29th, 2026 | 97.3% | 50,439 AF | -121 AF |
| September 28th, 2026 | 97.6% | 50,560 AF | -81 AF |
| September 27th, 2026 | 97.7% | 50,641 AF | -81 AF |
| September 26th, 2026 | 97.9% | 50,722 AF | -81 AF |
| September 25th, 2026 | 98.0% | 50,803 AF | -81 AF |
| September 24th, 2026 | 98.2% | 50,884 AF | -81 AF |
| September 23rd, 2026 | 98.3% | 50,965 AF | 0 AF |
| September 22nd, 2026 | 98.3% | 50,965 AF | -122 AF |
| September 21st, 2026 | 98.6% | 51,087 AF | -81 AF |
| September 20th, 2026 | 98.7% | 51,168 AF | -82 AF |
| September 19th, 2026 | 98.9% | 51,250 AF | -122 AF |
| September 18th, 2026 | 99.1% | 51,372 AF | -40 AF |
| September 17th, 2026 | 99.2% | 51,412 AF | -123 AF |
| September 16th, 2026 | 99.5% | 51,535 AF | -82 AF |
| September 15th, 2026 | 99.6% | 51,617 AF | -123 AF |
| September 14th, 2026 | 99.8% | 51,740 AF | -82 AF |
| September 13th, 2026 | 100.0% | 51,822 AF | 0 AF |
| September 12th, 2026 | 100.0% | 51,822 AF | 0 AF |
| September 11th, 2026 | 100.0% | 51,822 AF | 0 AF |
| September 10th, 2026 | 100.0% | 51,822 AF | 0 AF |
| September 9th, 2026 | 100.0% | 51,822 AF | 0 AF |
| September 8th, 2026 | 100.0% | 51,822 AF | 0 AF |
| September 7th, 2026 | 100.0% | 51,822 AF | 0 AF |
| September 6th, 2026 | 100.0% | 51,822 AF | 0 AF |
| September 5th, 2026 | 100.0% | 51,822 AF | 0 AF |
| September 4th, 2026 | 100.0% | 51,822 AF | 0 AF |
| September 3rd, 2026 | 100.0% | 51,822 AF | 0 AF |
| September 2nd, 2026 | 100.0% | 51,822 AF | 0 AF |
| September 1st, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 31st, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 30th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 29th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 28th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 27th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 26th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 25th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 24th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 23rd, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 22nd, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 21st, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 20th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 19th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 18th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 17th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 16th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 15th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 14th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 13th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 12th, 2026 | 100.0% | 51,822 AF | 0 AF |
| August 11th, 2026 | 100.0% | 51,822 AF | First reading |
Every reading is available in the open water record.