L&D12 6am Report MONDAY 13 JUL 2026
LockMaster: John Mueller Flat Pool = 11.8 Flat Tail = 2.8 River Mile = 556.7
Asst: James (Jim) Rolling DA = 82,400 mi^2 UNG LOC DA = 635 mi^2 %UNG LOC = 79%
Phone: (563) 872-3314 or (6212) Flood Stage = 17.0 Lock Closed = 18.4 Top of Lock = 22.8
7 Submrg Tainters (60') Gates #1-3, 7-10 LD11(4hr) <- LD12 -> LD13(6hr) Top of Spillway = 12.3
3 Submrg Rollers (100') Gates #4,5,6 Out of Operation = 11.0' = 95,000 cfs Swell Head = 0.4
Max Submrg Setting = -52.5 X -21.0 = 64,100 cfs Gage Zero = 580.2 TW cntrl > 7.8' GATE cntrl < 7.6'
6am Mamimum Permissible Feet of Bulkhead = 155 Record Flood Stage = 23.51 in Apr 1965
M I 1 2 B L V 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: 12.00 7.21 37.0 17.0 54.0 0.92 1.18 12.00 7.19 11.99 7.18 4 W 4 68 69 0.00
0100: 12.01 7.20 37.0 17.0 54.0 0.92 1.18 12.04 7.20 12.04 7.20 4 W 4 66 68 0.00
0200: 12.01 7.19 37.0 17.0 54.1 0.92 1.18 12.00 7.20 12.00 7.18 4 W 4 65 68 0.00
0300: 12.02 7.18 37.0 17.0 54.2 0.92 1.18 12.06 7.20 12.06 7.20 4 W 6 64 68 0.00
0400: 12.02 7.17 37.0 17.0 54.3 0.92 1.18 12.02 7.21 12.01 7.17 3 W 4 63 68 0.00
0500: 12.02 7.19 37.0 17.0 54.2 0.92 1.18 12.04 7.21 12.03 7.19 4 W 5 62 68 0.00
0600: 12.02 7.21 37.0 17.0 54.1 0.92 1.18 12.02 7.23 12.01 7.24 3 W 5 61 68 0.00 0.00
0700: 12.04 7.20 37.0 17.0 54.2 0.92 1.18 12.04 7.24 12.03 7.21 3 W 4 63 68 0.00
0800: 12.05 7.19 37.0 17.0 54.2 0.92 1.18 12.05 7.19 12.04 7.16 3 N 5 71 67 0.00
0900: 12.05 7.19 37.0 17.0 54.3 0.92 1.18 12.06 7.22 12.04 7.19 7 N 9 74 67 0.00
1000: 12.05 7.19 37.0 17.0 54.3 0.92 1.18 12.05 7.19 12.06 7.20 2 N 5 81 67 0.00
1100: 12.01 7.20 37.0 17.0 54.4 0.93 1.18 12.04 7.21 12.03 7.18 3 NE 4 82 68 0.00
1200: 11.97 7.21 37.0 17.0 54.4 0.93 1.19 11.97 7.21 11.94 7.20 2 NE 3 85 68 0.00 0.00
1300: 11.98 7.20 37.0 17.0 54.4 0.93 1.19 12.07 7.21 12.06 7.18 3 N 6 87 68 0.00
1400: 11.99 7.20 37.0 17.0 54.5 0.93 1.19 11.99 7.20 12.01 7.17 2 NE 4 87 68 0.00
1500: 12.03 7.20 37.0 17.0 54.4 0.93 1.19 12.07 7.23 12.06 7.23 1 E 2 90 68 0.00
1600: 12.06 7.20 37.0 17.0 54.4 0.93 1.18 12.06 7.20 12.05 7.18 1 NE 2 88 69 0.00
1700: 12.06 7.19 37.0 17.0 54.4 0.93 1.19 12.07 7.19 12.06 7.18 4 NE 5 89 69 0.00
1800: 12.06 7.18 37.0 17.0 54.5 0.93 1.19 12.06 7.18 12.05 7.18 1 NE 2 86 69 0.00 0.00
1900: 12.04 7.20 37.0 17.0 54.5 0.93 1.19 12.06 7.17 12.06 7.16 0 NE 0 90 69 0.00
2000: 12.02 7.21 37.0 17.0 54.5 0.93 1.19 12.02 7.21 11.99 7.19 0 W 0 83 69 0.00
2100: 12.05 7.22 37.0 17.0 54.5 0.93 1.19 12.10 7.19 12.09 7.15 3 W 4 79 69 0.00
2200: 12.08 7.22 37.0 17.0 54.5 0.93 1.19 12.08 7.22 12.08 7.19 4 SW 5 74 69 0.00
2300: 12.08 7.22 37.0 17.0 54.5 0.93 1.19 12.03 7.22 12.04 7.20 4 W 4 72 69 0.00
2400: 12.08 7.22 37.0 17.0 54.5 0.93 1.19 12.08 7.22 12.08 7.20 4 SW 6 70 69 0.00 0.00
0100: 12.08 7.23 37.0 17.0 54.4 0.93 1.19 12.07 7.19 12.07 7.21 4 SW 5 68 69 0.00
0200: 12.08 7.23 37.0 17.0 54.4 0.93 1.18 12.08 7.23 12.07 7.28 4 W 5 67 69 0.00
0300: 12.08 7.22 37.0 17.0 54.5 0.93 1.19 12.13 7.20 12.09 7.21 4 W 5 66 69 0.00
0400: 12.09 7.21 37.0 17.0 54.6 0.93 1.19 12.09 7.21 12.10 7.21 3 W 4 66 68 0.00
0500: 12.08 7.20 37.0 17.0 54.8 0.93 1.19 12.08 7.19 12.09 7.20 4 W 5 65 68 0.00
0600: 12.08 7.19 37.0 17.0 55.0 0.94 1.20 12.08 7.19 12.08 7.18 4 W 5 64 68 0.00 0.00
-----
0.00
HG QR Chg Prec
MENI2 4.84 34 0 Ystday Avg LD12 Q: 54.3 Chg: -0.2
BUNW3(15) 3.23 131 -3 0.00 Ystday Avg LD11 Q: 57.5 Chg: 0.2
UNGAGED 605 -9 Ystday Avg Trib Q: 0.8 Chg: -0.0
----- ----- Ystday Avg Stor Q: 0.0
Total 771 -12 ------
SPREAD -3.9
OMNI -- 6hr Change = -0.00 24hr Equivl = -0.00 Storage/FT Change = 157 6HR DELTA Pool = -0
FLOAT-- 6hr Change = 0.00 24hr Equivl = 0.00 Storage/FT Change = 157 6HR DELTA Pool = 0
P.T. -- 6hr Change = 0.00 24hr Equivl = 0.00 Storage/FT Change = 157 6HR DELTA Pool = 0
OMNI -- 8hr Change = -0.00 24hr Equivl = 0.00 Storage/FT Change = 157 8HR DELTA Pool = -1
FLOAT-- 8hr Change = 0.00 24hr Equivl = 0.00 Storage/FT Change = 157 8HR DELTA Pool = 0
P.T. -- 8hr Change = 0.00 24hr Equivl = 0.00 Storage/FT Change = 157 8HR DELTA Pool = 0
OMNI -- 12hr Change = 0.02 24hr Equivl = 0.04 Storage/FT Change = 157 12HR DELTA Pool = 6
FLOAT-- 12hr Change = 0.02 24hr Equivl = 0.04 Storage/FT Change = 157 12HR DELTA Pool = 6
P.T. -- 12hr Change = 0.03 24hr Equivl = 0.06 Storage/FT Change = 157 12HR DELTA Pool = 9
Balanced Gates Jacob Charts Rating Table
7.5 x 3.5 (7.6) 56.0 --> 39 x 19 (7.6) 56.0
9.0 x 4.5 (7.8) 58.2 --> 40 x 20 (7.8) 58.0
10.5 x 6.0 (8.0) 60.0 --> 43 x 20 (8.0) 60.0
14.0 x 7.0 (8.2) 62.2 --> 45 x 20 (9.0) 71.3
16.0 x 8.0 (8.4) 64.4 --> 47 x 21 <-- (10.0) 82.7
19.0 x 9.0 (8.6) 66.7 --> 49 x 22 <-- Appendage 21-24 (11.0) 93.6
20.0 x 10.0 (8.8) 69.0 --> 51 x 23 <-- (12.0) 104.3
22.0 x 11.0 (9.0) 71.4 --> 53 x 24 <-- (13.0) 116.7
24.0 x 12.0 (9.2) 73.7 --> 55 x 25 (14.0) 132.2
25.0 x 13.0 (9.4) 76.1 --> 58 x 25 (15.0) 144.7
29.0 x 14.0 (9.6) 78.5 --> 61 x 26 (16.0) 158.1
31.0 x 15.0 (9.8) 81.0 --> 64 x 26 (17.0) 175.2
34.0 x 16.0 (10.0) 83.4 --> 66 x 27 (18.0) 191.5
36.0 x 17.0 (10.2) 85.8 --> 69 x 28 (19.0) 207.6
40.0 x 18.0 (10.4) 88.3 --> 70 x 30 (20.0) 223.9
43.0 x 21.0 (10.6) 90.7 --> 77 x 33 (21.0) 241.3
46.0 x 22.0 (10.8) 93.2 --> 84 x 36 (22.0) 262.2
48.0 x 23.0 (11.0) 95.7 --> 91 x 39 (23.0) 285.3
52.0 x 24.0 (11.2) 98.1 --> 98 x 42 (24.0) 309.5
54.0 x 25.0 (11.4)100.6 --> 105 x 45 (25.0) 335.5
63.0 x 27.0 (26.0) 363.9
(27.0) 398.0