Texas Water Development Board Lake Graham Survey Conducted April 1998. Data obtained from TWDB Report: Volumetric Survey of Lake Graham June 16, 1998 Elevation Area Volume (ft) (acres) (acre-ft) 1027.60 1 0 1027.70 1 0 1027.80 1 0 1027.90 2 0 1028.00 2 1 1028.10 3 1 1028.20 3 1 1028.30 3 2 1028.40 4 2 1028.50 4 2 1028.60 5 3 1028.70 5 3 1028.80 6 4 1028.90 6 4 1029.00 7 5 1029.10 7 6 1029.20 7 6 1029.30 8 7 1029.40 8 8 1029.50 9 9 1029.60 9 10 1029.70 10 11 1029.80 11 12 1029.90 11 13 1030.00 13 14 1030.10 14 15 1030.20 15 17 1030.30 16 18 1030.40 17 20 1030.50 19 22 1030.60 20 24 1030.70 21 26 1030.80 23 28 1030.90 25 30 1031.00 26 33 1031.10 28 36 1031.20 29 39 1031.30 31 42 1031.40 34 45 1031.50 37 48 1031.60 39 52 1031.70 41 56 1031.80 44 60 1031.90 47 65 1032.00 49 70 1032.10 50 75 1032.20 53 80 1032.30 55 85 1032.40 57 91 1032.50 58 96 1032.60 60 102 1032.70 62 108 1032.80 64 115 1032.90 66 121 1033.00 67 128 1033.10 69 135 1033.20 71 142 1033.30 73 149 1033.40 74 156 1033.50 76 164 1033.60 77 171 1033.70 79 179 1033.80 81 187 1033.90 82 195 1034.00 84 204 1034.10 85 212 1034.20 87 221 1034.30 89 230 1034.40 90 238 1034.50 92 248 1034.60 94 257 1034.70 95 266 1034.80 97 276 1034.90 99 286 1035.00 101 296 1035.10 103 306 1035.20 105 316 1035.30 107 327 1035.40 109 338 1035.50 112 349 1035.60 114 360 1035.70 116 371 1035.80 118 383 1035.90 120 395 1036.00 123 407 1036.10 125 420 1036.20 127 432 1036.30 129 445 1036.40 131 458 1036.50 134 471 1036.60 136 485 1036.70 138 498 1036.80 141 512 1036.90 143 527 1037.00 146 541 1037.10 148 556 1037.20 151 571 1037.30 154 586 1037.40 156 601 1037.50 159 617 1037.60 162 633 1037.70 164 650 1037.80 167 666 1037.90 170 683 1038.00 173 700 1038.10 176 718 1038.20 180 735 1038.30 183 754 1038.40 186 772 1038.50 189 791 1038.60 191 810 1038.70 194 829 1038.80 197 849 1038.90 200 868 1039.00 203 888 1039.10 206 909 1039.20 209 930 1039.30 212 951 1039.40 215 972 1039.50 219 994 1039.60 222 1016 1039.70 226 1038 1039.80 230 1061 1039.90 235 1084 1040.00 239 1108 1040.10 243 1132 1040.20 247 1157 1040.30 251 1181 1040.40 254 1207 1040.50 258 1232 1040.60 262 1258 1040.70 266 1285 1040.80 270 1312 1040.90 274 1339 1041.00 278 1366 1041.10 282 1394 1041.20 287 1423 1041.30 292 1452 1041.40 296 1481 1041.50 301 1511 1041.60 305 1541 1041.70 310 1572 1041.80 314 1603 1041.90 319 1635 1042.00 324 1667 1042.10 328 1700 1042.20 333 1733 1042.30 338 1766 1042.40 342 1800 1042.50 346 1835 1042.60 351 1869 1042.70 355 1905 1042.80 359 1940 1042.90 364 1977 1043.00 368 2013 1043.10 373 2050 1043.20 377 2088 1043.30 382 2126 1043.40 387 2164 1043.50 392 2203 1043.60 397 2243 1043.70 402 2283 1043.80 407 2323 1043.90 412 2364 1044.00 417 2405 1044.10 422 2447 1044.20 427 2490 1044.30 432 2533 1044.40 437 2576 1044.50 442 2620 1044.60 447 2665 1044.70 452 2709 1044.80 457 2755 1044.90 461 2801 1045.00 466 2847 1045.10 471 2894 1045.20 476 2941 1045.30 481 2989 1045.40 486 3038 1045.50 491 3086 1045.60 497 3136 1045.70 503 3186 1045.80 509 3236 1045.90 514 3288 1046.00 520 3339 1046.10 525 3391 1046.20 531 3444 1046.30 537 3498 1046.40 544 3552 1046.50 551 3606 1046.60 558 3662 1046.70 566 3718 1046.80 574 3775 1046.90 581 3833 1047.00 589 3891 1047.10 596 3950 1047.20 603 4010 1047.30 610 4071 1047.40 616 4132 1047.50 622 4194 1047.60 627 4257 1047.70 632 4320 1047.80 638 4383 1047.90 643 4447 1048.00 649 4512 1048.10 654 4577 1048.20 660 4643 1048.30 666 4709 1048.40 672 4776 1048.50 678 4843 1048.60 684 4911 1048.70 689 4980 1048.80 694 5049 1048.90 699 5119 1049.00 704 5189 1049.10 709 5260 1049.20 714 5331 1049.30 719 5402 1049.40 724 5475 1049.50 729 5547 1049.60 734 5620 1049.70 739 5694 1049.80 744 5768 1049.90 750 5843 1050.00 755 5918 1050.10 760 5994 1050.20 766 6070 1050.30 772 6147 1050.40 778 6225 1050.50 784 6303 1050.60 790 6382 1050.70 797 6461 1050.80 805 6541 1050.90 811 6622 1051.00 817 6703 1051.10 824 6785 1051.20 830 6868 1051.30 837 6952 1051.40 844 7036 1051.50 850 7120 1051.60 857 7206 1051.70 863 7291 1051.80 869 7378 1051.90 876 7465 1052.00 882 7553 1052.10 888 7642 1052.20 894 7731 1052.30 901 7821 1052.40 907 7911 1052.50 913 8002 1052.60 920 8094 1052.70 926 8186 1052.80 932 8279 1052.90 939 8372 1053.00 945 8467 1053.10 951 8561 1053.20 957 8657 1053.30 964 8753 1053.40 971 8850 1053.50 979 8947 1053.60 986 9045 1053.70 993 9144 1053.80 1000 9244 1053.90 1006 9344 1054.00 1013 9445 1054.10 1020 9547 1054.20 1027 9649 1054.30 1034 9752 1054.40 1041 9856 1054.50 1048 9961 1054.60 1055 10066 1054.70 1062 10172 1054.80 1069 10278 1054.90 1075 10386 1055.00 1082 10493 1055.10 1088 10602 1055.20 1095 10711 1055.30 1102 10821 1055.40 1108 10931 1055.50 1115 11042 1055.60 1121 11154 1055.70 1128 11267 1055.80 1134 11380 1055.90 1141 11494 1056.00 1147 11608 1056.10 1154 11723 1056.20 1160 11839 1056.30 1167 11955 1056.40 1173 12072 1056.50 1179 12190 1056.60 1186 12308 1056.70 1192 12427 1056.80 1199 12547 1056.90 1205 12667 1057.00 1211 12787 1057.10 1218 12909 1057.20 1224 13031 1057.30 1230 13154 1057.40 1236 13277 1057.50 1243 13401 1057.60 1249 13526 1057.70 1255 13651 1057.80 1261 13777 1057.90 1267 13903 1058.00 1273 14030 1058.10 1279 14158 1058.20 1285 14286 1058.30 1291 14415 1058.40 1298 14544 1058.50 1304 14674 1058.60 1309 14805 1058.70 1315 14936 1058.80 1320 15068 1058.90 1325 15200 1059.00 1331 15333 1059.10 1336 15466 1059.20 1342 15600 1059.30 1347 15735 1059.40 1352 15870 1059.50 1358 16005 1059.60 1363 16141 1059.70 1369 16278 1059.80 1374 16415 1059.90 1380 16553 1060.00 1386 16691 1060.10 1391 16830 1060.20 1397 16969 1060.30 1403 17109 1060.40 1409 17250 1060.50 1415 17391 1060.60 1420 17533 1060.70 1426 17675 1060.80 1432 17818 1060.90 1438 17961 1061.00 1444 18106 1061.10 1450 18250 1061.20 1456 18395 1061.30 1461 18541 1061.40 1467 18688 1061.50 1473 18835 1061.60 1478 18982 1061.70 1484 19130 1061.80 1490 19279 1061.90 1496 19428 1062.00 1503 19578 1062.10 1509 19729 1062.20 1515 19880 1062.30 1521 20032 1062.40 1527 20184 1062.50 1533 20337 1062.60 1539 20491 1062.70 1544 20645 1062.80 1550 20800 1062.90 1556 20955 1063.00 1565 21111 1063.10 1572 21268 1063.20 1579 21425 1063.30 1586 21584 1063.40 1593 21743 1063.50 1600 21902 1063.60 1607 22063 1063.70 1614 22224 1063.80 1621 22385 1063.90 1628 22548 1064.00 1636 22711 1064.10 1642 22875 1064.20 1649 23039 1064.30 1656 23205 1064.40 1663 23371 1064.50 1670 23537 1064.60 1677 23705 1064.70 1684 23873 1064.80 1690 24042 1064.90 1697 24211 1065.00 1703 24381 1065.10 1709 24551 1065.20 1716 24723 1065.30 1722 24895 1065.40 1729 25067 1065.50 1736 25241 1065.60 1742 25414 1065.70 1749 25589 1065.80 1756 25764 1065.90 1763 25940 1066.00 1770 26117 1066.10 1778 26294 1066.20 1785 26472 1066.30 1792 26651 1066.40 1800 26831 1066.50 1807 27011 1066.60 1815 27192 1066.70 1823 27374 1066.80 1830 27557 1066.90 1838 27740 1067.00 1845 27924 1067.10 1853 28109 1067.20 1860 28295 1067.30 1867 28481 1067.40 1875 28668 1067.50 1883 28856 1067.60 1891 29045 1067.70 1898 29234 1067.80 1906 29425 1067.90 1914 29616 1068.00 1924 29807 1068.10 1931 30000 1068.20 1939 30194 1068.30 1947 30388 1068.40 1955 30583 1068.50 1963 30779 1068.60 1971 30976 1068.70 1979 31173 1068.80 1987 31372 1068.90 1995 31571 1069.00 2003 31771 1069.10 2011 31971 1069.20 2020 32173 1069.30 2028 32375 1069.40 2036 32579 1069.50 2044 32783 1069.60 2052 32987 1069.70 2061 33193 1069.80 2069 33400 1069.90 2077 33607 1070.00 2095 33815 1070.10 2103 34025 1070.20 2111 34235 1070.30 2119 34447 1070.40 2127 34659 1070.50 2135 34872 1070.60 2142 35086 1070.70 2149 35301 1070.80 2156 35516 1070.90 2163 35732 1071.00 2170 35952 1071.10 2177 36172 1071.20 2184 36393 1071.30 2190 36615 1071.40 2197 36837 1071.50 2204 37061 1071.60 2211 37284 1071.70 2218 37509 1071.80 2225 37734 1071.90 2232 37960 1072.00 2238 38187 1072.10 2245 38414 1072.20 2252 38642 1072.30 2259 38870 1072.40 2266 39100 1072.50 2273 39330 1072.60 2279 39560 1072.70 2286 39792 1072.80 2293 40024 1072.90 2300 40257 1073.00 2307 40490 1073.10 2314 40724 1073.20 2321 40959 1073.30 2327 41194 1073.40 2334 41431 1073.50 2341 41667 1073.60 2348 41905 1073.70 2355 42143 1073.80 2362 42382 1073.90 2369 42622 1074.00 2375 42862 1074.10 2382 43103 1074.20 2389 43345 1074.30 2396 43587 1074.40 2403 43830 1074.50 2410 44074 1074.60 2416 44318 1074.70 2423 44563 1074.80 2430 44809 1074.90 2437 45055 1075.00 2444 45302