Reservoir record
Somerville Lake
Somerville Lake is 93.5% full, holding 140,465 acre feet against a conservation capacity of 150,293 acre feet.
Updated September 5th, 2026
Percent full93.5%
Storage140,465AF
Conservation capacity150,293AF
Change today-434AF
Across the record-9,828AF
Recorded range93.5% to 100.0%
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 | 93.5% | 140,465 AF | -434 AF |
| September 4th, 2026 | 93.8% | 140,899 AF | -760 AF |
| September 3rd, 2026 | 94.3% | 141,659 AF | -872 AF |
| September 2nd, 2026 | 94.8% | 142,531 AF | -875 AF |
| September 1st, 2026 | 95.4% | 143,406 AF | -768 AF |
| August 31st, 2026 | 95.9% | 144,174 AF | -880 AF |
| August 30th, 2026 | 96.5% | 145,054 AF | -662 AF |
| August 29th, 2026 | 97.0% | 145,716 AF | -665 AF |
| August 28th, 2026 | 97.4% | 146,381 AF | -111 AF |
| August 27th, 2026 | 97.5% | 146,492 AF | -332 AF |
| August 26th, 2026 | 97.7% | 146,824 AF | -334 AF |
| August 25th, 2026 | 97.9% | 147,158 AF | -334 AF |
| August 24th, 2026 | 98.1% | 147,492 AF | -334 AF |
| August 23rd, 2026 | 98.4% | 147,826 AF | -222 AF |
| August 22nd, 2026 | 98.5% | 148,048 AF | -224 AF |
| August 21st, 2026 | 98.7% | 148,272 AF | -224 AF |
| August 20th, 2026 | 98.8% | 148,496 AF | -335 AF |
| August 19th, 2026 | 99.0% | 148,831 AF | -224 AF |
| August 18th, 2026 | 99.2% | 149,055 AF | -337 AF |
| August 17th, 2026 | 99.4% | 149,392 AF | -225 AF |
| August 16th, 2026 | 99.5% | 149,617 AF | -225 AF |
| August 15th, 2026 | 99.7% | 149,842 AF | -225 AF |
| August 14th, 2026 | 99.8% | 150,067 AF | -226 AF |
| August 13th, 2026 | 100.0% | 150,293 AF | 0 AF |
| August 12th, 2026 | 100.0% | 150,293 AF | 0 AF |
| August 11th, 2026 | 100.0% | 150,293 AF | First reading |
Every reading is available in the open water record.