Rating curve data

Lake
Houston
Source
TWDB
Survey date
1994-02-01
Vertical datum
NGVD29 -0.7
Elevation
(feet above NGVD29 -0.7)
Area
(acres)
Volume
(acre-feet)
0.20 1.00 0.00
0.30 1.00 1.00
0.40 1.00 1.00
0.50 1.00 1.00
0.60 1.00 1.00
0.70 1.00 1.00
0.80 1.00 1.00
0.90 1.00 1.00
1.00 1.00 1.00
1.10 1.00 1.00
1.20 1.00 1.00
1.30 1.00 1.00
1.40 1.00 2.00
1.50 2.00 2.00
1.60 2.00 2.00
1.70 2.00 2.00
1.80 2.00 2.00
1.90 2.00 2.00
2.00 2.00 3.00
2.10 2.00 3.00
2.20 2.00 3.00
2.30 3.00 3.00
2.40 3.00 4.00
2.50 3.00 4.00
2.60 3.00 4.00
2.70 3.00 5.00
2.80 3.00 5.00
2.90 3.00 5.00
3.00 4.00 6.00
3.10 4.00 6.00
3.20 4.00 6.00
3.30 4.00 7.00
3.40 4.00 7.00
3.50 4.00 7.00
3.60 5.00 8.00
3.70 5.00 8.00
3.80 5.00 9.00
3.90 6.00 9.00
4.00 6.00 10.00
4.10 6.00 11.00
4.20 7.00 11.00
4.30 7.00 12.00
4.40 8.00 13.00
4.50 8.00 14.00
4.60 8.00 14.00
4.70 9.00 15.00
4.80 9.00 16.00
4.90 10.00 17.00
5.00 10.00 18.00
5.10 11.00 19.00
5.20 12.00 20.00
5.30 12.00 22.00
5.40 13.00 23.00
5.50 13.00 24.00
5.60 14.00 25.00
5.70 15.00 27.00
5.80 15.00 28.00
5.90 16.00 30.00
6.00 17.00 32.00
6.10 18.00 33.00
6.20 18.00 35.00
6.30 19.00 37.00
6.40 20.00 39.00
6.50 21.00 41.00
6.60 22.00 43.00
6.70 23.00 45.00
6.80 24.00 48.00
6.90 25.00 50.00
7.00 26.00 53.00
7.10 28.00 55.00
7.20 29.00 58.00
7.30 30.00 61.00
7.40 32.00 64.00
7.50 33.00 68.00
7.60 35.00 71.00
7.70 36.00 74.00
7.80 38.00 78.00
7.90 39.00 82.00
8.00 41.00 86.00
8.10 43.00 90.00
8.20 44.00 95.00
8.30 46.00 99.00
8.40 48.00 104.00
8.50 50.00 109.00
8.60 52.00 114.00
8.70 55.00 119.00
8.80 57.00 125.00
8.90 59.00 131.00
9.00 61.00 137.00
9.10 64.00 143.00
9.20 66.00 149.00
9.30 69.00 156.00
9.40 71.00 163.00
9.50 74.00 170.00
9.60 77.00 178.00
9.70 79.00 186.00
9.80 82.00 194.00
9.90 85.00 202.00
10.00 88.00 211.00
10.10 91.00 220.00
10.20 95.00 229.00
10.30 98.00 239.00
10.40 101.00 249.00
10.50 105.00 259.00
10.60 108.00 270.00
10.70 112.00 281.00
10.80 116.00 292.00
10.90 119.00 304.00
11.00 123.00 316.00
11.10 127.00 328.00
11.20 131.00 341.00
11.30 135.00 355.00
11.40 139.00 368.00
11.50 143.00 383.00
11.60 147.00 397.00
11.70 152.00 412.00
11.80 156.00 427.00
11.90 160.00 443.00
12.00 164.00 459.00
12.10 168.00 476.00
12.20 173.00 493.00
12.30 177.00 511.00
12.40 182.00 528.00
12.50 187.00 547.00
12.60 191.00 566.00
12.70 196.00 585.00
12.80 201.00 605.00
12.90 206.00 625.00
13.00 211.00 646.00
13.10 216.00 668.00
13.20 222.00 690.00
13.30 227.00 712.00
13.40 232.00 735.00
13.50 238.00 758.00
13.60 243.00 783.00
13.70 249.00 807.00
13.80 254.00 832.00
13.90 260.00 858.00
14.00 266.00 884.00
14.10 272.00 911.00
14.20 278.00 939.00
14.30 285.00 967.00
14.40 291.00 996.00
14.50 298.00 1,025.00
14.60 304.00 1,055.00
14.70 311.00 1,086.00
14.80 317.00 1,117.00
14.90 324.00 1,149.00
15.00 331.00 1,182.00
15.10 338.00 1,216.00
15.20 345.00 1,250.00
15.30 352.00 1,285.00
15.40 359.00 1,320.00
15.50 366.00 1,356.00
15.60 373.00 1,393.00
15.70 380.00 1,431.00
15.80 387.00 1,469.00
15.90 395.00 1,508.00
16.00 402.00 1,548.00
16.10 409.00 1,589.00
16.20 417.00 1,630.00
16.30 425.00 1,672.00
16.40 433.00 1,715.00
16.50 442.00 1,759.00
16.60 449.00 1,803.00
16.70 457.00 1,849.00
16.80 465.00 1,895.00
16.90 473.00 1,942.00
17.00 482.00 1,990.00
17.10 490.00 2,038.00
17.20 499.00 2,088.00
17.30 508.00 2,138.00
17.40 517.00 2,189.00
17.50 526.00 2,241.00
17.60 535.00 2,294.00
17.70 545.00 2,348.00
17.80 555.00 2,403.00
17.90 565.00 2,459.00
18.00 575.00 2,516.00
18.10 585.00 2,574.00
18.20 595.00 2,633.00
18.30 605.00 2,693.00
18.40 616.00 2,754.00
18.50 627.00 2,816.00
18.60 639.00 2,880.00
18.70 651.00 2,944.00
18.80 663.00 3,010.00
18.90 675.00 3,077.00
19.00 688.00 3,145.00
19.10 700.00 3,214.00
19.20 713.00 3,285.00
19.30 727.00 3,357.00
19.40 741.00 3,430.00
19.50 754.00 3,505.00
19.60 768.00 3,581.00
19.70 782.00 3,659.00
19.80 796.00 3,738.00
19.90 810.00 3,818.00
20.00 825.00 3,900.00
20.10 840.00 3,983.00
20.20 855.00 4,067.00
20.30 874.00 4,154.00
20.40 892.00 4,242.00
20.50 911.00 4,332.00
20.60 930.00 4,424.00
20.70 950.00 4,518.00
20.80 972.00 4,615.00
20.90 994.00 4,713.00
21.00 1,015.00 4,813.00
21.10 1,036.00 4,916.00
21.20 1,058.00 5,021.00
21.30 1,079.00 5,127.00
21.40 1,101.00 5,236.00
21.50 1,123.00 5,348.00
21.60 1,145.00 5,461.00
21.70 1,167.00 5,576.00
21.80 1,189.00 5,694.00
21.90 1,211.00 5,814.00
22.00 1,232.00 5,936.00
22.10 1,253.00 6,061.00
22.20 1,275.00 6,187.00
22.30 1,296.00 6,316.00
22.40 1,317.00 6,446.00
22.50 1,338.00 6,579.00
22.60 1,359.00 6,714.00
22.70 1,381.00 6,851.00
22.80 1,402.00 6,990.00
22.90 1,425.00 7,131.00
23.00 1,449.00 7,275.00
23.10 1,474.00 7,421.00
23.20 1,500.00 7,570.00
23.30 1,527.00 7,721.00
23.40 1,554.00 7,875.00
23.50 1,583.00 8,032.00
23.60 1,612.00 8,192.00
23.70 1,641.00 8,354.00
23.80 1,671.00 8,520.00
23.90 1,702.00 8,689.00
24.00 1,734.00 8,860.00
24.10 1,765.00 9,035.00
24.20 1,798.00 9,214.00
24.30 1,830.00 9,395.00
24.40 1,866.00 9,580.00
24.50 1,903.00 9,768.00
24.60 1,938.00 9,960.00
24.70 1,975.00 10,156.00
24.80 2,011.00 10,355.00
24.90 2,049.00 10,558.00
25.00 2,088.00 10,765.00
25.10 2,128.00 10,976.00
25.20 2,167.00 11,190.00
25.30 2,208.00 11,409.00
25.40 2,248.00 11,632.00
25.50 2,287.00 11,859.00
25.60 2,326.00 12,089.00
25.70 2,365.00 12,324.00
25.80 2,405.00 12,563.00
25.90 2,445.00 12,805.00
26.00 2,484.00 13,051.00
26.10 2,522.00 13,302.00
26.20 2,560.00 13,556.00
26.30 2,600.00 13,814.00
26.40 2,642.00 14,076.00
26.50 2,686.00 14,342.00
26.60 2,731.00 14,613.00
26.70 2,776.00 14,888.00
26.80 2,819.00 15,168.00
26.90 2,861.00 15,452.00
27.00 2,904.00 15,740.00
27.10 2,947.00 16,033.00
27.20 2,990.00 16,330.00
27.30 3,035.00 16,631.00
27.40 3,079.00 16,937.00
27.50 3,123.00 17,247.00
27.60 3,168.00 17,561.00
27.70 3,212.00 17,880.00
27.80 3,259.00 18,204.00
27.90 3,305.00 18,532.00
28.00 3,352.00 18,865.00
28.10 3,401.00 19,203.00
28.20 3,451.00 19,545.00
28.30 3,499.00 19,893.00
28.40 3,546.00 20,245.00
28.50 3,595.00 20,602.00
28.60 3,642.00 20,964.00
28.70 3,687.00 21,330.00
28.80 3,732.00 21,701.00
28.90 3,775.00 22,077.00
29.00 3,818.00 22,456.00
29.10 3,861.00 22,840.00
29.20 3,903.00 23,229.00
29.30 3,946.00 23,621.00
29.40 3,988.00 24,018.00
29.50 4,029.00 24,419.00
29.60 4,069.00 24,823.00
29.70 4,109.00 25,232.00
29.80 4,149.00 25,645.00
29.90 4,189.00 26,062.00
30.00 4,231.00 26,483.00
30.10 4,272.00 26,908.00
30.20 4,314.00 27,338.00
30.30 4,356.00 27,771.00
30.40 4,397.00 28,209.00
30.50 4,440.00 28,651.00
30.60 4,483.00 29,097.00
30.70 4,527.00 29,547.00
30.80 4,571.00 30,002.00
30.90 4,615.00 30,461.00
31.00 4,658.00 30,925.00
31.10 4,702.00 31,393.00
31.20 4,745.00 31,865.00
31.30 4,788.00 32,342.00
31.40 4,830.00 32,823.00
31.50 4,872.00 33,308.00
31.60 4,913.00 33,797.00
31.70 4,953.00 34,291.00
31.80 4,994.00 34,788.00
31.90 5,034.00 35,289.00
32.00 5,075.00 35,795.00
32.10 5,116.00 36,304.00
32.20 5,159.00 36,818.00
32.30 5,202.00 37,336.00
32.40 5,245.00 37,859.00
32.50 5,289.00 38,385.00
32.60 5,334.00 38,916.00
32.70 5,381.00 39,452.00
32.80 5,427.00 39,993.00
32.90 5,471.00 40,538.00
33.00 5,515.00 41,087.00
33.10 5,559.00 41,640.00
33.20 5,604.00 42,199.00
33.30 5,648.00 42,761.00
33.40 5,693.00 43,328.00
33.50 5,738.00 43,900.00
33.60 5,783.00 44,476.00
33.70 5,829.00 45,056.00
33.80 5,874.00 45,641.00
33.90 5,920.00 46,231.00
34.00 5,966.00 46,825.00
34.10 6,013.00 47,424.00
34.20 6,061.00 48,028.00
34.30 6,110.00 48,637.00
34.40 6,157.00 49,250.00
34.50 6,204.00 49,868.00
34.60 6,252.00 50,491.00
34.70 6,300.00 51,118.00
34.80 6,351.00 51,751.00
34.90 6,403.00 52,389.00
35.00 6,456.00 53,032.00
35.10 6,507.00 53,680.00
35.20 6,556.00 54,333.00
35.30 6,604.00 54,991.00
35.40 6,652.00 55,654.00
35.50 6,698.00 56,321.00
35.60 6,745.00 56,993.00
35.70 6,792.00 57,670.00
35.80 6,839.00 58,352.00
35.90 6,885.00 59,038.00
36.00 6,932.00 59,729.00
36.10 6,978.00 60,424.00
36.20 7,022.00 61,124.00
36.30 7,066.00 61,829.00
36.40 7,109.00 62,538.00
36.50 7,153.00 63,251.00
36.60 7,197.00 63,968.00
36.70 7,242.00 64,690.00
36.80 7,286.00 65,416.00
36.90 7,330.00 66,147.00
37.00 7,375.00 66,882.00
37.10 7,418.00 67,622.00
37.20 7,459.00 68,366.00
37.30 7,499.00 69,114.00
37.40 7,539.00 69,866.00
37.50 7,578.00 70,621.00
37.60 7,616.00 71,381.00
37.70 7,654.00 72,145.00
37.80 7,693.00 72,912.00
37.90 7,732.00 73,683.00
38.00 7,771.00 74,459.00
38.10 7,809.00 75,238.00
38.20 7,847.00 76,020.00
38.30 7,885.00 76,807.00
38.40 7,924.00 77,598.00
38.50 7,963.00 78,392.00
38.60 8,003.00 79,190.00
38.70 8,042.00 79,992.00
38.80 8,080.00 80,798.00
38.90 8,119.00 81,608.00
39.00 8,158.00 82,422.00
39.10 8,196.00 83,240.00
39.20 8,234.00 84,061.00
39.30 8,273.00 84,887.00
39.40 8,313.00 85,716.00
39.50 8,354.00 86,549.00
39.60 8,395.00 87,387.00
39.70 8,436.00 88,228.00
39.80 8,479.00 89,074.00
39.90 8,522.00 89,924.00
40.00 8,567.00 90,779.00
40.10 8,611.00 91,638.00
40.20 8,654.00 92,501.00
40.30 8,698.00 93,368.00
40.40 8,741.00 94,240.00
40.50 8,783.00 95,117.00
40.60 8,824.00 95,997.00
40.70 8,864.00 96,881.00
40.80 8,904.00 97,770.00
40.90 8,944.00 98,662.00
41.00 8,984.00 99,559.00
41.10 9,024.00 100,460.00
41.20 9,065.00 101,360.00
41.30 9,107.00 102,270.00
41.40 9,151.00 103,190.00
41.50 9,197.00 104,100.00
41.60 9,244.00 105,020.00
41.70 9,294.00 105,950.00
41.80 9,346.00 106,880.00
41.90 9,402.00 107,820.00
42.00 9,454.00 108,760.00
42.10 9,507.00 109,710.00
42.20 9,558.00 110,660.00
42.30 9,610.00 111,620.00
42.40 9,662.00 112,590.00
42.50 9,718.00 113,560.00
42.60 9,772.00 114,530.00
42.70 9,824.00 115,510.00
42.80 9,875.00 116,490.00
42.90 9,924.00 117,480.00
43.00 9,973.00 118,480.00
43.10 10,021.00 119,480.00
43.20 10,069.00 120,480.00
43.30 10,118.00 121,490.00
43.40 10,167.00 122,510.00
43.50 10,215.00 123,530.00
43.60 10,264.00 124,550.00
43.70 10,313.00 125,580.00
43.80 10,361.00 126,610.00
43.90 10,410.00 127,650.00
44.00 10,459.00 128,700.00
44.10 10,508.00 129,740.00
44.20 10,557.00 130,800.00
44.30 10,606.00 131,850.00
44.40 10,655.00 132,920.00
44.50 11,854.00 133,990.00
44.60 * - n.a. - 135,062.50
44.70 * - n.a. - 136,141.62

* extrapolated values