Texas AI Docket
Texas Water Watch

Reservoir record

Grapevine Lake

Grapevine Lake is 91.7% full, holding 149,524 acre feet against a conservation capacity of 163,064 acre feet.

Updated October 20th, 2026

Percent full91.7%
Storage149,524AF
Conservation capacity163,064AF
Change today-308AF
Across the record-9,691AF
Recorded range89.2% to 97.6%
Record71days

Daily movement

The line follows every verified reading held for this reservoir.

87.7%93.4%99.2% August 11th, 2026, 97.6% fullAugust 12th, 2026, 97.4% fullAugust 13th, 2026, 97.2% fullAugust 14th, 2026, 96.9% fullAugust 15th, 2026, 96.8% fullAugust 16th, 2026, 96.6% fullAugust 17th, 2026, 96.6% fullAugust 18th, 2026, 96.3% fullAugust 19th, 2026, 96.1% fullAugust 20th, 2026, 95.8% fullAugust 21st, 2026, 95.9% fullAugust 22nd, 2026, 95.9% fullAugust 23rd, 2026, 95.8% fullAugust 24th, 2026, 95.2% fullAugust 25th, 2026, 95.1% fullAugust 26th, 2026, 94.9% fullAugust 27th, 2026, 95.0% fullAugust 28th, 2026, 94.9% fullAugust 29th, 2026, 94.6% fullAugust 30th, 2026, 94.4% fullAugust 31st, 2026, 94.1% fullSeptember 1st, 2026, 94.1% fullSeptember 2nd, 2026, 93.9% fullSeptember 3rd, 2026, 93.8% fullSeptember 4th, 2026, 93.6% fullSeptember 5th, 2026, 93.4% fullSeptember 6th, 2026, 93.4% fullSeptember 7th, 2026, 93.4% fullSeptember 8th, 2026, 93.1% fullSeptember 9th, 2026, 92.8% fullSeptember 10th, 2026, 92.6% fullSeptember 11th, 2026, 92.8% fullSeptember 12th, 2026, 92.5% fullSeptember 13th, 2026, 92.2% fullSeptember 14th, 2026, 92.0% fullSeptember 15th, 2026, 91.7% fullSeptember 16th, 2026, 91.6% fullSeptember 17th, 2026, 91.6% fullSeptember 18th, 2026, 91.5% fullSeptember 19th, 2026, 91.1% fullSeptember 20th, 2026, 91.0% fullSeptember 21st, 2026, 91.1% fullSeptember 22nd, 2026, 91.0% fullSeptember 23rd, 2026, 90.9% fullSeptember 24th, 2026, 90.5% fullSeptember 25th, 2026, 90.3% fullSeptember 26th, 2026, 90.2% fullSeptember 27th, 2026, 89.8% fullSeptember 28th, 2026, 89.9% fullSeptember 29th, 2026, 89.5% fullSeptember 30th, 2026, 89.2% fullOctober 1st, 2026, 89.5% fullOctober 2nd, 2026, 92.4% fullOctober 3rd, 2026, 92.4% fullOctober 4th, 2026, 92.7% fullOctober 5th, 2026, 93.3% fullOctober 6th, 2026, 93.5% fullOctober 7th, 2026, 93.5% fullOctober 8th, 2026, 93.4% fullOctober 9th, 2026, 93.3% fullOctober 10th, 2026, 93.1% fullOctober 11th, 2026, 92.7% fullOctober 12th, 2026, 92.5% fullOctober 13th, 2026, 92.3% fullOctober 14th, 2026, 92.3% fullOctober 15th, 2026, 92.2% fullOctober 16th, 2026, 92.1% fullOctober 17th, 2026, 91.9% fullOctober 18th, 2026, 92.0% fullOctober 19th, 2026, 91.9% fullOctober 20th, 2026, 91.7% fullAug 11thSep 15thOct 20th
Daily percent full. The vertical scale follows this record's own range instead of starting at zero, so its movement stays visible without changing the measurement.

The readings

Daily movement appears only when the previous reading is from the prior calendar day.

DatePercent fullStorageDaily movement
October 20th, 202691.7%149,524 AF-308 AF
October 19th, 202691.9%149,832 AF-123 AF
October 18th, 202692.0%149,955 AF+123 AF
October 17th, 202691.9%149,832 AF-370 AF
October 16th, 202692.1%150,202 AF-61 AF
October 15th, 202692.2%150,263 AF-247 AF
October 14th, 202692.3%150,510 AF-62 AF
October 13th, 202692.3%150,572 AF-186 AF
October 12th, 202692.5%150,758 AF-371 AF
October 11th, 202692.7%151,129 AF-745 AF
October 10th, 202693.1%151,874 AF-311 AF
October 9th, 202693.3%152,185 AF-62 AF
October 8th, 202693.4%152,247 AF-187 AF
October 7th, 202693.5%152,434 AF0 AF
October 6th, 202693.5%152,434 AF+311 AF
October 5th, 202693.3%152,123 AF+994 AF
October 4th, 202692.7%151,129 AF+433 AF
October 3rd, 202692.4%150,696 AF+62 AF
October 2nd, 202692.4%150,634 AF+4,772 AF
October 1st, 202689.5%145,862 AF+424 AF
September 30th, 202689.2%145,438 AF-424 AF
September 29th, 202689.5%145,862 AF-788 AF
September 28th, 202689.9%146,650 AF+182 AF
September 27th, 202689.8%146,468 AF-669 AF
September 26th, 202690.2%147,137 AF-183 AF
September 25th, 202690.3%147,320 AF-305 AF
September 24th, 202690.5%147,625 AF-549 AF
September 23rd, 202690.9%148,174 AF-245 AF
September 22nd, 202691.0%148,419 AF-123 AF
September 21st, 202691.1%148,542 AF+184 AF
September 20th, 202691.0%148,358 AF-245 AF
September 19th, 202691.1%148,603 AF-613 AF
September 18th, 202691.5%149,216 AF-123 AF
September 17th, 202691.6%149,339 AF0 AF
September 16th, 202691.6%149,339 AF-246 AF
September 15th, 202691.7%149,585 AF-370 AF
September 14th, 202692.0%149,955 AF-308 AF
September 13th, 202692.2%150,263 AF-495 AF
September 12th, 202692.5%150,758 AF-495 AF
September 11th, 202692.8%151,253 AF+248 AF
September 10th, 202692.6%151,005 AF-310 AF
September 9th, 202692.8%151,315 AF-497 AF
September 8th, 202693.1%151,812 AF-435 AF
September 7th, 202693.4%152,247 AF-125 AF
September 6th, 202693.4%152,372 AF0 AF
September 5th, 202693.4%152,372 AF-312 AF
September 4th, 202693.6%152,684 AF-187 AF
September 3rd, 202693.8%152,871 AF-313 AF
September 2nd, 202693.9%153,184 AF-187 AF
September 1st, 202694.1%153,371 AF-63 AF
August 31st, 202694.1%153,434 AF-439 AF
August 30th, 202694.4%153,873 AF-377 AF
August 29th, 202694.6%154,250 AF-503 AF
August 28th, 202694.9%154,753 AF-190 AF
August 27th, 202695.0%154,943 AF+127 AF
August 26th, 202694.9%154,816 AF-190 AF
August 25th, 202695.1%155,006 AF-315 AF
August 24th, 202695.2%155,321 AF-887 AF
August 23rd, 202695.8%156,208 AF-191 AF
August 22nd, 202695.9%156,399 AF+64 AF
August 21st, 202695.9%156,335 AF+63 AF
August 20th, 202695.8%156,272 AF-445 AF
August 19th, 202696.1%156,717 AF-318 AF
August 18th, 202696.3%157,035 AF-447 AF
August 17th, 202696.6%157,482 AF0 AF
August 16th, 202696.6%157,482 AF-384 AF
August 15th, 202696.8%157,866 AF-192 AF
August 14th, 202696.9%158,058 AF-385 AF
August 13th, 202697.2%158,443 AF-450 AF
August 12th, 202697.4%158,893 AF-322 AF
August 11th, 202697.6%159,215 AFFirst reading

Every reading is available in the open water record.