Texas AI Docket
Texas Water Watch

Reservoir record

Lake Arrowhead

Lake Arrowhead is 70.4% full, holding 162,257 acre feet against a conservation capacity of 230,359 acre feet.

Updated October 20th, 2026

Percent full70.4%
Storage162,257AF
Conservation capacity230,359AF
Change today-356AF
Across the record-14,081AF
Recorded range69.3% to 76.5%
Record71days

Daily movement

The line follows every verified reading held for this reservoir.

67.9%72.9%77.9% August 11th, 2026, 76.5% fullAugust 12th, 2026, 76.5% fullAugust 13th, 2026, 76.3% fullAugust 14th, 2026, 76.1% fullAugust 15th, 2026, 75.8% fullAugust 16th, 2026, 75.6% fullAugust 17th, 2026, 75.5% fullAugust 18th, 2026, 75.3% fullAugust 19th, 2026, 75.2% fullAugust 20th, 2026, 74.9% fullAugust 21st, 2026, 74.8% fullAugust 22nd, 2026, 74.6% fullAugust 23rd, 2026, 74.4% fullAugust 24th, 2026, 74.4% fullAugust 25th, 2026, 74.1% fullAugust 26th, 2026, 73.9% fullAugust 27th, 2026, 73.7% fullAugust 28th, 2026, 73.6% fullAugust 29th, 2026, 73.6% fullAugust 30th, 2026, 73.5% fullAugust 31st, 2026, 73.2% fullSeptember 1st, 2026, 73.0% fullSeptember 2nd, 2026, 73.0% fullSeptember 3rd, 2026, 72.8% fullSeptember 4th, 2026, 72.8% fullSeptember 5th, 2026, 72.6% fullSeptember 6th, 2026, 72.4% fullSeptember 7th, 2026, 72.3% fullSeptember 8th, 2026, 72.1% fullSeptember 9th, 2026, 72.0% fullSeptember 10th, 2026, 71.9% fullSeptember 11th, 2026, 71.8% fullSeptember 12th, 2026, 71.7% fullSeptember 13th, 2026, 71.6% fullSeptember 14th, 2026, 71.5% fullSeptember 15th, 2026, 71.3% fullSeptember 16th, 2026, 71.1% fullSeptember 17th, 2026, 71.0% fullSeptember 18th, 2026, 70.8% fullSeptember 19th, 2026, 70.7% fullSeptember 20th, 2026, 70.5% fullSeptember 21st, 2026, 70.4% fullSeptember 22nd, 2026, 70.1% fullSeptember 23rd, 2026, 70.0% fullSeptember 24th, 2026, 70.0% fullSeptember 25th, 2026, 69.9% fullSeptember 26th, 2026, 69.8% fullSeptember 27th, 2026, 69.8% fullSeptember 28th, 2026, 69.7% fullSeptember 29th, 2026, 69.7% fullSeptember 30th, 2026, 69.7% fullOctober 1st, 2026, 69.8% fullOctober 2nd, 2026, 69.7% fullOctober 3rd, 2026, 69.6% fullOctober 4th, 2026, 69.8% fullOctober 5th, 2026, 70.0% fullOctober 6th, 2026, 69.9% fullOctober 7th, 2026, 69.9% fullOctober 8th, 2026, 69.7% fullOctober 9th, 2026, 69.7% fullOctober 10th, 2026, 69.6% fullOctober 11th, 2026, 69.5% fullOctober 12th, 2026, 69.4% fullOctober 13th, 2026, 69.3% fullOctober 14th, 2026, 69.3% fullOctober 15th, 2026, 69.5% fullOctober 16th, 2026, 70.1% fullOctober 17th, 2026, 70.3% fullOctober 18th, 2026, 70.5% fullOctober 19th, 2026, 70.6% fullOctober 20th, 2026, 70.4% 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, 202670.4%162,257 AF-356 AF
October 19th, 202670.6%162,613 AF+237 AF
October 18th, 202670.5%162,376 AF+474 AF
October 17th, 202670.3%161,902 AF+472 AF
October 16th, 202670.1%161,430 AF+1,413 AF
October 15th, 202669.5%160,017 AF+470 AF
October 14th, 202669.3%159,547 AF0 AF
October 13th, 202669.3%159,547 AF-353 AF
October 12th, 202669.4%159,900 AF-235 AF
October 11th, 202669.5%160,135 AF-117 AF
October 10th, 202669.6%160,252 AF-235 AF
October 9th, 202669.7%160,487 AF-118 AF
October 8th, 202669.7%160,605 AF-353 AF
October 7th, 202669.9%160,958 AF-118 AF
October 6th, 202669.9%161,076 AF-118 AF
October 5th, 202670.0%161,194 AF+354 AF
October 4th, 202669.8%160,840 AF+470 AF
October 3rd, 202669.6%160,370 AF-235 AF
October 2nd, 202669.7%160,605 AF-117 AF
October 1st, 202669.8%160,722 AF+235 AF
September 30th, 202669.7%160,487 AF0 AF
September 29th, 202669.7%160,487 AF0 AF
September 28th, 202669.7%160,487 AF-353 AF
September 27th, 202669.8%160,840 AF+118 AF
September 26th, 202669.8%160,722 AF-236 AF
September 25th, 202669.9%160,958 AF-236 AF
September 24th, 202670.0%161,194 AF-118 AF
September 23rd, 202670.0%161,312 AF-236 AF
September 22nd, 202670.1%161,548 AF-591 AF
September 21st, 202670.4%162,139 AF-237 AF
September 20th, 202670.5%162,376 AF-474 AF
September 19th, 202670.7%162,850 AF-237 AF
September 18th, 202670.8%163,087 AF-357 AF
September 17th, 202671.0%163,444 AF-357 AF
September 16th, 202671.1%163,801 AF-476 AF
September 15th, 202671.3%164,277 AF-358 AF
September 14th, 202671.5%164,635 AF-240 AF
September 13th, 202671.6%164,875 AF-358 AF
September 12th, 202671.7%165,233 AF-120 AF
September 11th, 202671.8%165,353 AF-359 AF
September 10th, 202671.9%165,712 AF-120 AF
September 9th, 202672.0%165,832 AF-360 AF
September 8th, 202672.1%166,192 AF-361 AF
September 7th, 202672.3%166,553 AF-240 AF
September 6th, 202672.4%166,793 AF-362 AF
September 5th, 202672.6%167,155 AF-482 AF
September 4th, 202672.8%167,637 AF-121 AF
September 3rd, 202672.8%167,758 AF-362 AF
September 2nd, 202673.0%168,120 AF-121 AF
September 1st, 202673.0%168,241 AF-485 AF
August 31st, 202673.2%168,726 AF-485 AF
August 30th, 202673.5%169,211 AF-243 AF
August 29th, 202673.6%169,454 AF-121 AF
August 28th, 202673.6%169,575 AF-122 AF
August 27th, 202673.7%169,697 AF-486 AF
August 26th, 202673.9%170,183 AF-610 AF
August 25th, 202674.1%170,793 AF-611 AF
August 24th, 202674.4%171,404 AF0 AF
August 23rd, 202674.4%171,404 AF-490 AF
August 22nd, 202674.6%171,894 AF-368 AF
August 21st, 202674.8%172,262 AF-368 AF
August 20th, 202674.9%172,630 AF-492 AF
August 19th, 202675.2%173,122 AF-369 AF
August 18th, 202675.3%173,491 AF-369 AF
August 17th, 202675.5%173,860 AF-247 AF
August 16th, 202675.6%174,107 AF-495 AF
August 15th, 202675.8%174,602 AF-618 AF
August 14th, 202676.1%175,220 AF-497 AF
August 13th, 202676.3%175,717 AF-621 AF
August 12th, 202676.5%176,338 AF0 AF
August 11th, 202676.5%176,338 AFFirst reading

Every reading is available in the open water record.