L&D11 6am Report THURSDAY 11 JUN 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 = 282 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: 14.93 5.96 31.0 8.0 48.8 1.16 1.61 14.92 5.96 14.97 5.98 6 SE 10 79 79 0.00
0100: 14.92 5.96 31.0 8.0 48.8 1.16 1.61 14.91 5.98 14.96 5.99 6 S 9 78 78 0.00
0200: 14.91 5.96 31.0 8.0 48.8 1.16 1.60 14.88 5.96 14.94 5.98 7 S 9 78 78 0.00
0300: 14.90 5.97 31.0 8.0 48.7 1.16 1.61 14.94 5.94 14.99 5.95 6 SE 8 77 78 0.00
0400: 14.89 5.97 31.0 8.0 48.7 1.16 1.61 14.87 5.95 14.92 5.96 5 SE 7 76 78 0.00
0500: 14.88 5.97 31.0 8.0 48.7 1.16 1.61 14.88 5.98 14.93 5.98 6 SE 8 77 78 0.00
0600: 14.86 5.97 31.0 8.0 48.6 1.16 1.60 14.87 5.97 14.92 5.98 11 SE 14 77 78 0.00 0.00
0700: 14.87 5.98 31.0 8.0 48.7 1.16 1.60 14.84 5.97 14.90 5.98 15 SE 17 78 78 0.00
0800: 14.87 5.99 31.0 8.0 48.7 1.16 1.60 14.88 5.97 14.93 5.99 6 SE 10 79 78 0.00
0900: 14.89 5.94 31.0 8.0 48.1 1.16 1.61 14.87 5.93 14.92 5.94 9 SE 17 81 78 0.00
1000: 14.90 5.89 31.0 7.0 47.5 1.17 1.62 14.89 5.90 14.95 5.91 9 SE 17 84 78 0.00
1100: 14.91 5.88 31.0 7.0 47.5 1.17 1.62 14.91 5.87 14.96 5.89 10 SE 16 87 78 0.00
1200: 14.91 5.88 31.0 7.0 47.5 1.17 1.62 14.90 5.87 14.94 5.89 11 SE 18 86 78 0.00 0.00
1300: 14.92 5.92 31.0 7.0 47.6 1.17 1.62 14.73 6.13 14.77 6.14 32 SE 54 70 78 0.53
1400: 14.93 5.97 31.0 7.0 47.8 1.17 1.63 15.13 5.96 15.18 5.97 4 SE 9 70 78 0.54
1500: 14.95 5.99 31.0 7.0 47.5 1.17 1.62 14.99 5.97 15.04 5.98 10 SE 18 72 78 0.06
1600: 14.96 6.00 31.0 7.0 47.3 1.16 1.61 14.92 6.01 14.98 6.03 16 SE 24 73 78 0.00
1700: 14.98 6.00 31.0 7.0 47.3 1.16 1.61 14.97 5.99 15.03 6.00 12 SE 19 80 78 0.00
1800: 14.99 6.00 31.0 7.0 47.3 1.16 1.61 14.96 6.01 15.01 6.02 20 SE 26 80 78 0.00 1.13
1900: 15.01 6.01 31.0 7.0 47.3 1.16 1.61 15.02 6.01 15.07 6.02 13 SE 19 78 78 0.00
2000: 15.03 6.02 31.0 7.0 47.3 1.16 1.61 14.99 6.02 15.04 6.03 16 SE 22 76 78 0.00
2100: 15.04 6.02 31.0 7.0 47.4 1.16 1.61 15.03 6.03 15.08 6.04 14 SE 20 73 78 0.00
2200: 15.06 6.02 31.0 7.0 47.4 1.17 1.62 15.07 6.02 15.12 6.03 10 SE 15 72 78 0.00
2300: 15.09 6.02 31.0 7.0 47.5 1.17 1.62 15.07 6.02 15.13 6.04 9 SE 15 70 78 0.03
2400: 15.12 6.02 31.0 7.0 47.6 1.17 1.62 15.10 6.01 15.15 6.02 1 W 3 69 77 0.00 0.03
0100: 15.13 6.01 31.0 7.0 47.7 1.17 1.62 15.13 6.01 15.18 6.02 2 SE 7 69 77 0.00
0200: 15.14 6.00 31.0 7.0 47.7 1.17 1.63 15.11 6.01 15.16 6.02 5 S 6 69 77 0.00
0300: 15.15 6.00 31.0 7.0 47.7 1.17 1.63 15.14 6.00 15.19 6.01 8 SE 11 69 77 0.00
0400: 15.16 6.00 31.0 7.0 47.7 1.17 1.63 15.16 6.01 15.21 6.02 5 SE 8 69 77 0.00
0500: 15.17 6.01 31.0 7.0 47.7 1.17 1.63 15.17 6.00 15.22 6.02 6 S 9 69 77 0.00
0600: 15.18 6.01 31.0 7.0 47.7 1.17 1.63 15.09 6.01 15.14 6.02 10 S 15 69 77 0.00 0.00
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1.16
HG QR Chg Prec
GRBI4(17) 10.89 4225 119 0.00 Ystday Avg LD11 Q: 47.9 Chg: 0.2
BTNW3(18) 8.08 556 253 Ystday Avg LD10 Q: 38.0 Chg: -1.5
RVLW3(9) 5.84 492 248 Ystday Avg Trib Q: 5.6 Chg: 0.9
UNGAG 766 372 Ystday Avg Stor Q: 0.1
----- ----- ------
Total 6038 993 SPREAD 4.3
OMNI -- 6hr Change = 0.06 24hr Equivl = 0.24 Storage/FT Change = 282 6HR DELTA Pool = 68
FLOAT-- 6hr Change = -0.01 24hr Equivl = -0.04 Storage/FT Change = 282 6HR DELTA Pool = -11
P.T. -- 6hr Change = -0.01 24hr Equivl = -0.04 Storage/FT Change = 282 6HR DELTA Pool = -11
OMNI -- 8hr Change = 0.12 24hr Equivl = 0.36 Storage/FT Change = 282 8HR DELTA Pool = 101
FLOAT-- 8hr Change = 0.02 24hr Equivl = 0.06 Storage/FT Change = 282 8HR DELTA Pool = 17
P.T. -- 8hr Change = 0.02 24hr Equivl = 0.06 Storage/FT Change = 282 8HR DELTA Pool = 17
OMNI -- 12hr Change = 0.19 24hr Equivl = 0.38 Storage/FT Change = 282 12HR DELTA Pool = 106
FLOAT-- 12hr Change = 0.13 24hr Equivl = 0.26 Storage/FT Change = 282 12HR DELTA Pool = 73
P.T. -- 12hr Change = 0.13 24hr Equivl = 0.26 Storage/FT Change = 282 12HR DELTA Pool = 73
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