Texas AI Docket
Texas Water Watch

Reservoir record

Pat Mayse Lake

Pat Mayse Lake is 89.2% full, holding 101,433 acre feet against a conservation capacity of 113,683 acre feet.

Updated October 20th, 2026

Percent full89.2%
Storage101,433AF
Conservation capacity113,683AF
Change today-159AF
Across the record-10,732AF
Recorded range89.2% to 98.7%
Record71days

Daily movement

The line follows every verified reading held for this reservoir.

87.5%93.8%100.0% August 11th, 2026, 98.7% fullAugust 12th, 2026, 98.5% fullAugust 13th, 2026, 98.3% fullAugust 14th, 2026, 98.1% fullAugust 15th, 2026, 97.9% fullAugust 16th, 2026, 97.7% fullAugust 17th, 2026, 97.5% fullAugust 18th, 2026, 97.3% fullAugust 19th, 2026, 97.2% fullAugust 20th, 2026, 97.0% fullAugust 21st, 2026, 96.8% fullAugust 22nd, 2026, 96.7% fullAugust 23rd, 2026, 96.5% fullAugust 24th, 2026, 96.4% fullAugust 25th, 2026, 96.4% fullAugust 26th, 2026, 96.2% fullAugust 27th, 2026, 96.0% fullAugust 28th, 2026, 95.8% fullAugust 29th, 2026, 95.6% fullAugust 30th, 2026, 95.5% fullAugust 31st, 2026, 95.3% fullSeptember 1st, 2026, 95.2% fullSeptember 2nd, 2026, 95.0% fullSeptember 3rd, 2026, 94.8% fullSeptember 4th, 2026, 94.7% fullSeptember 5th, 2026, 94.5% fullSeptember 6th, 2026, 94.4% fullSeptember 7th, 2026, 94.2% fullSeptember 8th, 2026, 94.1% fullSeptember 9th, 2026, 94.0% fullSeptember 10th, 2026, 93.8% fullSeptember 11th, 2026, 93.6% fullSeptember 12th, 2026, 93.4% fullSeptember 13th, 2026, 93.2% fullSeptember 14th, 2026, 93.1% fullSeptember 15th, 2026, 92.9% fullSeptember 16th, 2026, 92.7% fullSeptember 17th, 2026, 92.6% fullSeptember 18th, 2026, 92.4% fullSeptember 19th, 2026, 92.3% fullSeptember 20th, 2026, 92.1% fullSeptember 21st, 2026, 92.0% fullSeptember 22nd, 2026, 91.8% fullSeptember 23rd, 2026, 91.6% fullSeptember 24th, 2026, 91.5% fullSeptember 25th, 2026, 91.3% fullSeptember 26th, 2026, 91.0% fullSeptember 27th, 2026, 91.0% fullSeptember 28th, 2026, 90.8% fullSeptember 29th, 2026, 90.7% fullSeptember 30th, 2026, 90.3% fullOctober 1st, 2026, 90.5% fullOctober 2nd, 2026, 91.2% fullOctober 3rd, 2026, 91.2% fullOctober 4th, 2026, 91.2% fullOctober 5th, 2026, 91.2% fullOctober 6th, 2026, 91.0% fullOctober 7th, 2026, 90.8% fullOctober 8th, 2026, 90.7% fullOctober 9th, 2026, 90.5% fullOctober 10th, 2026, 90.0% fullOctober 11th, 2026, 90.2% fullOctober 12th, 2026, 90.3% fullOctober 13th, 2026, 90.0% fullOctober 14th, 2026, 90.0% fullOctober 15th, 2026, 90.0% fullOctober 16th, 2026, 90.0% fullOctober 17th, 2026, 89.7% fullOctober 18th, 2026, 89.6% fullOctober 19th, 2026, 89.4% fullOctober 20th, 2026, 89.2% 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, 202689.2%101,433 AF-159 AF
October 19th, 202689.4%101,592 AF-265 AF
October 18th, 202689.6%101,857 AF-160 AF
October 17th, 202689.7%102,017 AF-319 AF
October 16th, 202690.0%102,336 AF+53 AF
October 15th, 202690.0%102,283 AF-53 AF
October 14th, 202690.0%102,336 AF0 AF
October 13th, 202690.0%102,336 AF-373 AF
October 12th, 202690.3%102,709 AF+213 AF
October 11th, 202690.2%102,496 AF+213 AF
October 10th, 202690.0%102,283 AF-586 AF
October 9th, 202690.5%102,869 AF-267 AF
October 8th, 202690.7%103,136 AF-107 AF
October 7th, 202690.8%103,243 AF-161 AF
October 6th, 202691.0%103,404 AF-267 AF
October 5th, 202691.2%103,671 AF0 AF
October 4th, 202691.2%103,671 AF0 AF
October 3rd, 202691.2%103,671 AF+53 AF
October 2nd, 202691.2%103,618 AF+749 AF
October 1st, 202690.5%102,869 AF+214 AF
September 30th, 202690.3%102,655 AF-428 AF
September 29th, 202690.7%103,083 AF-160 AF
September 28th, 202690.8%103,243 AF-161 AF
September 27th, 202691.0%103,404 AF-107 AF
September 26th, 202691.0%103,511 AF-268 AF
September 25th, 202691.3%103,779 AF-214 AF
September 24th, 202691.5%103,993 AF-161 AF
September 23rd, 202691.6%104,154 AF-216 AF
September 22nd, 202691.8%104,370 AF-215 AF
September 21st, 202692.0%104,585 AF-108 AF
September 20th, 202692.1%104,693 AF-272 AF
September 19th, 202692.3%104,965 AF-109 AF
September 18th, 202692.4%105,074 AF-164 AF
September 17th, 202692.6%105,238 AF-164 AF
September 16th, 202692.7%105,402 AF-220 AF
September 15th, 202692.9%105,622 AF-219 AF
September 14th, 202693.1%105,841 AF-55 AF
September 13th, 202693.2%105,896 AF-274 AF
September 12th, 202693.4%106,170 AF-220 AF
September 11th, 202693.6%106,390 AF-220 AF
September 10th, 202693.8%106,610 AF-220 AF
September 9th, 202694.0%106,830 AF-166 AF
September 8th, 202694.1%106,996 AF-110 AF
September 7th, 202694.2%107,106 AF-165 AF
September 6th, 202694.4%107,271 AF-221 AF
September 5th, 202694.5%107,492 AF-166 AF
September 4th, 202694.7%107,658 AF-165 AF
September 3rd, 202694.8%107,823 AF-166 AF
September 2nd, 202695.0%107,989 AF-221 AF
September 1st, 202695.2%108,210 AF-166 AF
August 31st, 202695.3%108,376 AF-167 AF
August 30th, 202695.5%108,543 AF-166 AF
August 29th, 202695.6%108,709 AF-222 AF
August 28th, 202695.8%108,931 AF-166 AF
August 27th, 202696.0%109,097 AF-278 AF
August 26th, 202696.2%109,375 AF-166 AF
August 25th, 202696.4%109,541 AF0 AF
August 24th, 202696.4%109,541 AF-111 AF
August 23rd, 202696.5%109,652 AF-223 AF
August 22nd, 202696.7%109,875 AF-167 AF
August 21st, 202696.8%110,042 AF-223 AF
August 20th, 202697.0%110,265 AF-223 AF
August 19th, 202697.2%110,488 AF-111 AF
August 18th, 202697.3%110,599 AF-279 AF
August 17th, 202697.5%110,878 AF-168 AF
August 16th, 202697.7%111,046 AF-223 AF
August 15th, 202697.9%111,269 AF-280 AF
August 14th, 202698.1%111,549 AF-224 AF
August 13th, 202698.3%111,773 AF-224 AF
August 12th, 202698.5%111,997 AF-168 AF
August 11th, 202698.7%112,165 AFFirst reading

Every reading is available in the open water record.