L&D11 6am Report TUESDAY 15 SEP 2026
LockMaster: Gary Kilburg Flat Pool = 14.8 Flat Tail = 3.80 River Mile = 583.0
Asst: Timothy (Tim) Koehn DA = 81,600 mi^2 UNG LOC DA = 250 mi^2 %UNG LOC = 11%
Phone: (563) 582-1204 or (6211) Flood Stage = 16.0 Lock Closed = 21.3 Top of Lock = 24.3
13 Submrg Tainters (60') Gates #1-5, 9-16 LD10(4hr) <- LD11 -> LD12 (4hr) 2(4hr) Top of Spillway = N/A
3 Submrg Rollers (100') Gates #6,7,8 Out of Operation = 14.0' = 135,000 cfs Swell Head = 0.4
Max Submrg Setting = -91.0 X -21.0 = 88,400 cfs Gage Zero = 588.2 TW cntrl > 10.0' GATE cntrl < 9.6'
6am Maximum Permissible Feet of Bulkhead = 440 Record Flood Stage = 25.69 in Apr 1965
M I 1 1 D L D I 4
Float Gage Wind Temp
Pool Tail Tnt Rlr Flow T Q/f R Q/f Pool Tail Pool Tail Spd Dir Gst Air Water Prec
0000: 14.91 4.38 13.0 5.0 23.8 1.14 1.70 14.90 4.72 15.01 4.38 0 S 0 57 74 0.00
0100: 14.91 4.38 13.0 5.0 23.8 1.14 1.70 14.82 4.80 14.92 4.49 3 SW 4 56 74 0.00
0200: 14.92 4.39 13.0 5.0 23.8 1.14 1.70 14.82 4.73 14.92 4.39 1 SW 3 55 74 0.00
0300: 14.92 4.38 13.0 5.0 23.8 1.14 1.70 14.82 4.73 14.92 4.39 1 E 3 55 74 0.00
0400: 14.92 4.38 13.0 5.0 23.8 1.14 1.71 14.81 4.72 14.92 4.38 2 S 3 55 74 0.00
0500: 14.91 4.39 13.0 5.0 23.8 1.14 1.71 14.81 4.72 14.92 4.39 1 S 4 55 74 0.00
0600: 14.91 4.39 13.0 5.0 23.8 1.14 1.71 14.80 4.72 14.91 4.39 1 SW 4 54 73 0.00 0.00
0700: 14.90 4.39 13.0 5.0 23.6 1.14 1.70 14.80 4.71 14.90 4.38 3 SE 7 55 73 0.00
0800: 14.88 4.38 13.0 5.0 23.3 1.14 1.70 14.77 4.72 14.88 4.39 7 S 10 57 73 0.00
0900: 14.87 4.40 13.0 5.0 23.3 1.14 1.70 14.77 4.72 14.88 4.39 8 SE 15 60 73 0.00
1000: 14.85 4.41 13.0 5.0 23.2 1.13 1.69 14.75 4.75 14.85 4.41 10 SE 13 62 73 ______
1100: 14.85 4.43 13.0 5.0 23.2 1.13 1.69 14.72 4.77 14.83 4.44 11 SE 15 63 73 0.00
1200: 14.86 4.44 13.0 5.0 23.2 1.13 1.70 14.75 4.79 14.86 4.44 13 SE 17 64 73 0.00 0.00
1300: 14.88 4.43 13.0 5.0 23.3 1.14 1.70 14.93 4.70 14.92 4.42 11 SE 15 64 73 0.00
1400: 14.89 4.41 13.0 5.0 23.4 1.14 1.71 14.89 4.41 14.89 4.41 14 SE 19 63 73 0.00
1500: 14.85 4.43 13.0 5.0 23.5 1.15 1.71 14.80 4.42 14.80 4.42 13 SE 18 62 73 0.00
1600: 14.80 4.44 13.0 5.0 23.6 1.15 1.72 14.80 4.44 14.80 4.44 15 SE 23 63 72 0.00
1700: 14.78 4.48 13.0 5.0 23.6 1.15 1.72 14.76 4.47 14.76 4.48 16 SE 22 65 73 0.00
1800: 14.75 4.51 13.0 5.0 23.6 1.15 1.72 14.75 4.51 14.75 4.52 16 SE 19 67 72 0.00 0.00
1900: 14.78 4.48 13.0 5.0 23.6 1.15 1.72 14.76 4.44 14.77 4.44 14 SE 19 67 72 0.00
2000: 14.80 4.45 13.0 5.0 23.7 1.16 1.73 14.80 4.45 14.80 4.46 13 SE 23 68 72 0.00
2100: 14.78 4.46 13.0 5.0 23.4 1.14 1.71 14.76 4.49 14.76 4.50 13 S 16 68 72 0.00
2200: 14.75 4.47 13.0 5.0 23.2 1.13 1.69 14.75 4.47 14.75 4.47 18 SE 22 71 72 0.00
2300: 14.71 4.49 13.0 5.0 23.4 1.14 1.71 14.60 4.48 14.61 4.49 19 S 25 71 71 0.00
2400: 14.68 4.51 13.0 5.0 23.7 1.16 1.72 14.68 4.51 14.68 4.52 16 SE 21 72 71 0.00 0.00
0100: 14.77 4.47 13.0 5.0 23.7 1.16 1.73 14.94 4.46 14.94 4.46 9 S 11 64 71 0.13
0200: 14.87 4.43 13.0 5.0 23.8 1.16 1.73 14.89 4.43 14.89 4.44 2 SE 4 66 71 0.02
0300: 14.91 4.46 13.0 5.0 23.8 1.16 1.73 14.88 4.47 14.89 4.47 12 SE 17 68 71 0.02
0400: 14.95 4.48 13.0 5.0 23.8 1.16 1.73 14.95 4.48 14.95 4.48 7 SE 8 69 71 0.01
0500: 14.96 4.49 13.0 5.0 23.8 1.17 1.74 15.00 4.52 14.99 4.56 13 SE 20 70 71 0.05
0600: 14.96 4.49 13.0 5.0 23.9 1.17 1.74 14.96 4.49 14.96 4.49 12 SE 17 71 71 0.08 0.31
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0.31
HG QR Chg Prec
GRBI4(17) 6.47 451 28 0.00 Ystday Avg LD11 Q: 23.5 Chg: -0.4
BTNW3(18) 5.82 244 18 Ystday Avg LD10 Q: 19.5 Chg: 0.2
RVLW3(9) 4.49 131 20 Ystday Avg Trib Q: 1.0 Chg: -0.0
UNGAG 254 29 Ystday Avg Stor Q: -0.1
----- ----- ------
Total 1080 95 SPREAD 2.9
OMNI -- 6hr Change = 0.28 24hr Equivl = 1.13 Storage/FT Change = 440 6HR DELTA Pool = 496
FLOAT-- 6hr Change = 0.28 24hr Equivl = 1.12 Storage/FT Change = 440 6HR DELTA Pool = 493
P.T. -- 6hr Change = 0.28 24hr Equivl = 1.12 Storage/FT Change = 440 6HR DELTA Pool = 493
OMNI -- 8hr Change = 0.21 24hr Equivl = 0.63 Storage/FT Change = 440 8HR DELTA Pool = 279
FLOAT-- 8hr Change = 0.21 24hr Equivl = 0.63 Storage/FT Change = 440 8HR DELTA Pool = 277
P.T. -- 8hr Change = 0.21 24hr Equivl = 0.63 Storage/FT Change = 440 8HR DELTA Pool = 277
OMNI -- 12hr Change = 0.21 24hr Equivl = 0.42 Storage/FT Change = 440 12HR DELTA Pool = 186
FLOAT-- 12hr Change = 0.21 24hr Equivl = 0.42 Storage/FT Change = 440 12HR DELTA Pool = 185
P.T. -- 12hr Change = 0.21 24hr Equivl = 0.42 Storage/FT Change = 440 12HR DELTA Pool = 185
Balanced Gates Jacob Charts Rating Table
11.5 x 3.0 (9.4) 83.6 --> 71 x 18 (9.6) 93.0
14.0 x 3.5 (9.6) 85.6 --> 72 x 19 (10.0) 97.0
15.5 x 5.0 (9.8) 87.5 --> 74 x 20 (11.0) 104.3
16.5 x 6.0 (10.0) 89.4 --> 77 x 21 (12.0) 111.5
24.0 x 6.5 (10.2) 91.6 --> 79 x 21 (13.0) 123.4
26.0 x 7.0 (10.4) 93.5 --> 82 x 21 (14.0) 135.3
28.0 x 7.5 (10.6) 95.4 --> 82 x 23 (15.0) 146.0
31.0 x 8.0 (10.8) 97.2 --> 84 x 24 <-- (16.0) 159.3
31.5 x 9.0 (11.0) 99.0 --> 88 x 24 <-- (17.0) 172.1
37.5 x 10.0 (11.2)100.9 --> 89 x 25 <-- (18.0) 186.3
39.5 x 10.5 (11.4)102.8 --> 93 x 25 <-- (19.0) 201.2
43.0 x 11.5 (11.6)104.7 --> 96 x 26 <--Appendage 24-27 (20.0) 216.2
45.0 x 12.0 (11.8)106.6 --> 100 x 27 <-- (21.0) 230.4
51.5 x 13.5 (12.0)108.6 --> 105 x 27 <-- (22.0) 246.3
57.0 x 14.5 (12.2)110.6 --> 111 x 27 <-- (23.0) 264.1
60.0 x 15.0 (12.4)112.6 --> 117 x 27 <-- (24.0) 283.3
61.5 x 16.5 (12.6)114.6 --> 123 x 27 <-- (25.0) 303.1
71.5 x 18.0 (12.8)116.7 --> 126 x 30 (26.0) 324.6
74.0 x 19.5 (13.0)118.8 --> 136 x 30 (27.0) 346.8
79.5 x 19.5 (13.2)121.0 --> 143 x 33 (28.0) 371.6
82.0 x 21.0 (13.4)123.1 --> 148 x 36 (29.0) 398.9
(13.6)125.3 --> 156 x 36 (29.9) 423.2
(13.8)127.5 --> 169 x 39
(14.0)129.8 --> 182 x 39
(14.2)132.1 --> 182 x 42