L&D18 6am Report FRIDAY 07 AUG 2026
LockMaster: Michael (Mike) Bielser Flat Pool = 9.5 Flat Tail = -0.3 River Mile = 410.5
Asst: Mathew (Matt) Price DA = 113,600 mi^2 UNG LOC DA = 900 mi^2 %UNG LOC = 6%
Phone: (309) 873-2246 or (6218) Flood Stage = 10.0 Lock Closed = 15.0 Top of Lock = 18.98
14 Submrg Tainters (60') Gates #1-5, 9-17 LD17(5hr) <- LD18 -> LD19(6hr) Top of Spillway = 9.8
3 Submrg Rollers (100') Gates #6,7,8 Out of Operation = 8.6' = 134,000 cfs Swell Head = 0.5
Max Submrg Setting = -105.0 X -19.5 = 92,000 cfs Gage Zero = 518.52 TW cntrl > 5.0' GATE cntrl < 4.4'
6am Maximum Permissible Feet of Bulkhead = 243 Record Flood Stage = 22.46 in Jun 2008
M I 1 8 G L D I 2
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: 9.42 3.37 48.0 13.0 62.3 0.94 1.33 9.41 3.37 9.42 3.37 1 E 4 70 79 0.00
0100: 9.40 3.37 48.0 13.0 62.4 0.94 1.34 9.44 3.37 9.46 3.37 2 NE 4 70 79 0.00
0200: 9.39 3.37 48.0 13.0 62.5 0.94 1.34 9.39 3.37 9.40 3.37 0 SE 0 70 79 0.00
0300: 9.40 3.37 48.0 13.0 62.5 0.94 1.34 9.42 3.36 9.43 3.36 0 SE 0 70 79 0.00
0400: 9.41 3.37 48.0 13.0 62.6 0.94 1.34 9.44 3.40 9.45 3.40 2 NE 4 70 79 0.00
0500: 9.40 3.37 48.0 13.0 62.5 0.94 1.34 9.41 3.36 9.42 3.36 2 NE 5 70 79 0.00
0600: 9.39 3.37 48.0 13.0 62.5 0.94 1.34 9.40 3.38 9.41 3.37 1 NE 2 70 79 0.00 0.00
0700: 9.39 3.38 48.0 13.0 62.4 0.94 1.34 9.41 3.37 9.41 3.37 0 SE 0 70 79 0.00
0800: 9.39 3.38 48.0 13.0 62.4 0.94 1.34 9.36 3.38 9.38 3.38 0 E 2 71 79 0.00
0900: 9.38 3.38 48.0 13.0 62.4 0.94 1.34 9.39 3.37 9.41 3.37 0 SE 2 71 79 0.00
1000: 9.38 3.37 48.0 13.0 62.4 0.94 1.34 9.40 3.38 9.42 3.38 0 E 1 74 79 0.00
1100: 9.38 3.37 48.0 13.0 62.4 0.94 1.34 9.38 3.37 9.40 3.37 2 W 4 78 79 0.00
1200: 9.37 3.37 48.0 13.0 62.4 0.94 1.33 9.38 3.39 9.39 3.39 2 SW 5 80 79 0.00 0.00
1300: 9.37 3.37 48.0 13.0 62.4 0.94 1.33 9.37 3.37 9.38 3.37 4 SW 7 79 79 0.00
1400: 9.36 3.36 48.0 13.0 62.4 0.94 1.33 9.36 3.36 9.38 3.36 1 W 3 83 80 0.00
1500: 9.35 3.37 48.0 13.0 62.3 0.94 1.33 9.36 3.36 9.38 3.36 1 NW 2 86 80 0.00
1600: 9.34 3.37 48.0 13.0 62.2 0.94 1.33 9.36 3.36 9.36 3.36 1 E 2 81 80 0.00
1700: 9.37 3.35 48.0 13.0 62.5 0.94 1.34 9.35 3.39 9.37 3.39 3 SW 8 82 80 0.00
1800: 9.39 3.32 48.0 13.0 62.7 0.94 1.34 9.39 3.31 9.41 3.32 2 SW 6 82 80 0.00 0.00
1900: 9.40 3.27 48.0 13.0 60.7 0.95 1.35 9.41 3.27 9.42 3.27 1 S 4 78 80 0.00
2000: 9.42 3.23 46.0 11.0 58.6 0.95 1.36 9.42 3.22 9.44 3.22 0 SE 0 77 80 0.00
2100: 9.40 3.21 46.0 11.0 58.6 0.95 1.36 9.41 3.20 9.43 3.20 0 SE 1 74 80 0.00
2200: 9.39 3.19 46.0 11.0 58.7 0.95 1.36 9.40 3.19 9.42 3.19 0 SE 2 72 80 0.00
2300: 9.38 3.17 46.0 11.0 58.7 0.95 1.36 9.39 3.17 9.40 3.17 0 SE 1 71 80 0.00
2400: 9.37 3.15 46.0 11.0 58.8 0.95 1.36 9.37 3.15 9.38 3.16 0 SE 0 70 80 0.00 0.00
0100: 9.36 3.14 46.0 11.0 58.8 0.95 1.36 9.36 3.14 9.37 3.14 0 SE 0 70 79 0.00
0200: 9.35 3.13 46.0 11.0 58.8 0.95 1.36 9.34 3.14 9.35 3.14 0 SE 1 70 79 0.00
0300: 9.34 3.13 46.0 11.0 58.7 0.95 1.36 9.33 3.13 9.34 3.13 1 SE 2 69 79 0.00
0400: 9.33 3.13 46.0 11.0 58.7 0.95 1.36 9.17 3.13 9.17 3.13 0 SE 1 69 79 0.00
0500: 9.32 3.13 46.0 11.0 58.7 0.95 1.36 9.32 3.10 9.32 3.10 0 SE 0 69 79 0.00
0600: 9.31 3.12 46.0 11.0 58.6 0.95 1.36 9.28 3.15 9.29 3.16 0 SE 0 68 79 0.00 0.00
-----
0.00
HG QR Chg Prec
WAPI4(20) 14.90 10621 -636 0.00 Ystday Avg LD18 Q: 61.7 Chg: -1.8
NWBI2(17) 13.18 146 -6 0.00 Ystday Avg LD16 Q: 49.7 Chg: -0.9
PCKI2(24) 19.42 40 -6 0.00 Ystday Avg Trib Q: 11.6 Chg: -0.9
UNGAG 313 13 Ystday Avg Stor Q: -0.0
----- ----- ------
Total 11120 -635 SPREAD 0.4
OMNI -- 6hr Change = -0.06 24hr Equivl = -0.24 Storage/FT Change = 242 6HR DELTA Pool = -58
FLOAT-- 6hr Change = -0.09 24hr Equivl = -0.36 Storage/FT Change = 242 6HR DELTA Pool = -87
P.T. -- 6hr Change = -0.09 24hr Equivl = -0.36 Storage/FT Change = 242 6HR DELTA Pool = -87
OMNI -- 8hr Change = -0.08 24hr Equivl = -0.24 Storage/FT Change = 242 8HR DELTA Pool = -58
FLOAT-- 8hr Change = -0.12 24hr Equivl = -0.36 Storage/FT Change = 242 8HR DELTA Pool = -87
P.T. -- 8hr Change = -0.13 24hr Equivl = -0.39 Storage/FT Change = 242 8HR DELTA Pool = -95
OMNI -- 12hr Change = -0.08 24hr Equivl = -0.16 Storage/FT Change = 242 12HR DELTA Pool = -39
FLOAT-- 12hr Change = -0.11 24hr Equivl = -0.22 Storage/FT Change = 242 12HR DELTA Pool = -53
P.T. -- 12hr Change = -0.12 24hr Equivl = -0.24 Storage/FT Change = 242 12HR DELTA Pool = -58
Balanced Gates Jacob Charts Rating Table
8.5 x 1.5 (4.2) 82.1 --> 62 x 15 (4.0) 69.4
14.5 x 3.5 (4.4) 84.9 --> 66 x 15 (4.4) 80.0
17.5 x 4.0 (4.6) 86.7 --> 70 x 16.5 (5.0) 90.0
22.0 x 5.0 (4.8) 88.6 --> 77 x 18 (6.0) 101.6
26.0 x 6.0 (5.0) 90.1 --> 82 x 19 (7.0) 113.2
28.0 x 7.0 (5.2) 92.9 --> 84 x 20 (8.0) 124.9
33.5 x 8.0 (5.4) 95.7 --> 89 x 21 (9.0) 141.8
37.5 x 9.0 (5.6) 98.6 --> 92 x 23 (10.0) 159.8
40.5 x 10.0 (5.8)101.5 --> 97 x 24 <-- Appendage (11.0) 178.7
45.5 x 11.0 (6.0)104.5 --> 101 x 25 <-- 24-27 (12.0) 198.2
48.0 x 12.0 (6.2)107.5 --> 104 x 25 <-- Significant (13.0) 218.0
54.0 x 13.0 (6.4)110.6 --> 106 x 26 <-- change in (14.0) 237.9
60.0 x 14.0 (6.6)113.7 --> 110 x 27 <-- flow (15.0) 257.8
63.0 x 15.0 (6.8)116.9 --> 116 x 27 <-- (16.0) 277.8
70.0 x 16.5 (7.0)120.1 --> 122 x 28 (17.0) 298.2
77.0 x 18.0 (7.2)123.3 --> 127 x 28 (18.0) 319.6
81.5 x 19.0 (7.4)126.6 --> 136 x 29 (19.0) 342.8
85.5 x 20.0 (7.6)130.0 --> 144 x 30 (20.0) 369.2
89.5 x 21.0 (7.8)133.3 --> 154 x 33 (21.0) 400.5
92.0 x 23.0 (8.0)136.8 --> 168 x 36 (22.0) 438.8
97.5 x 24.0 (8.2)140.2 --> 182 x 39 (23.0) 486.8
(8.4)143.7 --> 203 x 45 (23.5) 503.6
(8.6)147.2 --> 224 x 48
(8.8)150.7 --> 238 x 51