Rock Island District / WaterManagement

USACE Rock Island District - Water Management

The U.S. Army Corps of Engineers, Rock Island District, delivers federal water resource solutions across a 78,000-square-mile area spanning eastern Iowa, northern Illinois, and portions of Wisconsin, Minnesota, and Missouri. The District provides water level management on key waterways including the Mississippi and Illinois Rivers for commercial navigation purposes and reservoir operations on the Des Moines and Iowa Rivers to reduce flood risk to communities along the rivers.

Water Management Links

River Forecast Quick Links

Additional Resources

River Gages Data - Click the Map to View

USACE Water Management

River Gage Listings

Expand List item 38810Collapse List item 38810  Illinois River Gages
Location / Description River Mile Flat Pool
T.J. O'Brien Lock, Pool (upstream side) 326.5 Lake Level
T.J. O'Brien Lock, Tail (downstream side) 326.4 577.5
Lockport Lock, Pool (upstream side) 291.1 577.5
Lockport Lock, Tail (downstream side) 290.9 538.5
Brandon Road Lock, Pool (upstream side) 286 538.5
Brandon Road Lock, Tail (downstream side) 285.9 504.5
Hunting Lodge Bend, Right Bank, staff 281.2 504.5
I-55 HWY Bridge, staff on bridge pier 277.9 504.5
Dresden Lock, Pool (upstream side) 271.5 504.5
Dresden Lock, Tail (downstream side) 271.4 482.8
Morris, Right Bank, staff on bridge pier 263.4 482.8
Grist Island, Right Bank, staff, top of wall = 437.24 258.8 482.8
Seneca, staff on bridge pier 252.8 482.8
Kickapoo, Right Bank, staff on cell 249.9 482.8
Marseilles Dam, (upstream side) 247 482.8
Marseilles Lock, Pool (upstream side) 244.5 482.8
Marseilles Lock, Tail (downstream side) 244.4 458.5
ADM Elevator, Right Bank, bolt on upstream cell elevation = 461.7 241.9 458.5
Ottawa, Left Bank, staff on bridge pier reads .2 high? 218.4 440.1
Starved Rock Lock, Pool (upstream side) 231.1 458.5
Starved Rock Lock, Tail (downstream side) 230.9 440.3
La Salle, Right Bank, staff at Tabor Harbor, gage zero = 430 223.3 440.2
Spring Valley, Right Bank, staff on bridge pier reads .2 high? 218.4 440.1
Illinois Power Plant, Left Bank, staff on downstream side of building 212 440.1
Hennepin, Left Bank, staff on cell at elevator 207.5 440.1
Henry, Right Bank, staff at old lock 196.1 440
Lacon, metal pipe 189.1 440
Chillicothe, Right Bank, staff on cell at elevator 180.3 440
Corps Peoria Boat Yard, Right Bank staff on sheet piling 164.2 440
Peoria Lock, Pool (upstream side) 157.7 440
Peoria Lock, Tail (downstream side) 157.7 430
Pekin, Left Bank, staff on bridge pier 152.9 429.9
CFI Harbor, Right Bank, bolt on cell elevation = 444.46 146.7 429.7
Kingston Mines, Right Bank, staff + satellite at terminal 145.5 429.7
Copperas, Right Bank, staff + satellite at old lock 136.8 429.5
East Liverpool, Right Bank, top of I-beam elev. = 432.98 at pump station dwst end 131.6 429.5
Liverpool, Right Bank, staff at terminal 127.1 429.4
Quiver Island, Left Bank, staff on sheet piling at coal dock 120.8 429.2
Havana, Left Bank, staff on bridge pier + staff at conservation ramp 119.6 429.2
Havana Power Plant, Left Bank, staff on cell 118.5 429.2
Anderson Lake, Right Bank, staff at outfall 108.4 429.1
Browning, Right Bank, staff 97.2 429
Beardstown, Left Bank, staff on piling Logsdon Tug + Satellite in shed (9.1 = flat) 88.5 429
LaGrange Lock, Pool (upstream side) 80.2 429
LaGrange Lock, Tail (downstream side) 80.2 419.6
Expand List item 38809Collapse List item 38809  Mississippi River Gages
Location / Description River Mile Gage Zero Gage at LOL
(Flat Pool)		 LOL Elev.
(Flat Pool)
Lock 10, Tail (downstream side) 615.1 600 3.0 603
Cassville, Left Bank, Dairyland Power, staff + wire weight 606.7 596.3 6.7 603
Waupeton, Right Bank, staff at bridge 599.9 593.3 9.7 603
Specht's Ferry, Right Bank, staff on rock wall 592.3 590.6 12.4 603
Lock 11, Pool (upstream side) 583 588.2 14.8 603
Lock 11, Tail (downstream side) 583 588.2 3.8 592
Dubuque, Right Bank, staff + satellite at RR Bridge 579.9 585.4 6.6 592
Nitaho Valley, Right Bank, staff at ramp & bridge 567.1 581.8 10.2 592
Gordon's Ferry, Right Bank, staff at RR Bridge 566.2 582.1 9.9 592
Lock 12, Pool (upstream side) 556.7 580.2 11.8 592
Lock 12, Tail (downstream side) 556.7 580.2 2.8 583
Pleasant Creek, Right Bank, staff on sheet piling upstream of ramp 553 579.1 3.9 583
Densmore Intake, Right Bank, staff (direct read) 547.3 0 583.0 583
Savanna Bay, Left Bank, "X" corner of concrete of sign at ramp = 589.83 541 0 583 583
Sabula, Right Bank, staff at RR Bridge (channel 13) 535 572.3 10.7 583
Lock 13, Pool (upstream side) 522.5 568.7 14.3 583
Lock 13, Tail (downstream side) 522.5 568.7 3.3 572
Clinton, Right Bank, RR Bridge, staff downstream of pivot 518 566.3 5.7 572
Comanche, Right Bank, staff + tape inside satellite shed foot 8th Ave. 511.8 563.2 8.8 572
Princeton, Right Bank, staff 502.1 563.5 8.5 572
LeClaire, Right Bank, in shed 400 ft downstream of museum 497 563.2 8.8 572
Lock 14, Pool (upstream side) 493.3 557.1 14.9 572
Lock 14, Tail (downstream side) 493.3 447.1 3.9 561
Bettendorf, Right Bank, Phillip's oil dock, staff at cell 487.2 551.4 9.6 561
Lock 15, Pool (upstream side) 482.9 542.5 18.5 561
Lock 15, Tail (downstream side) 482.9 542.5 2.5 545
Sunset Marina, Left Bank, wire weight at hoist 479.7 534.1 10.9 545
Linwood, Right Bank, staff at Amoco dock 475.5 534.2 10.8 545
Eastern Iowa Power, Right Bank, staff at intake 468 540 5 545
Fairport, Right Bank, in pump house at hatchery (call lock 16) 463.5 535.2 9.8 545
Lock 16, Pool (upstream side) 457.2 533.8 11.4 545
Lock 16, Tail (downstream side) 457.2 533.8 2.4 536
Muscatine, Right Bank, tape at power plant (call lock 16) 453.1 530.7 5.3 536
Farmland Dock, Right Bank, staff at dock 450.2 528.2 7.8 536
Lock 17, Pool (upstream side) 437.1 526.6 9.3 536
Lock 17, Tail (downstream side) 437.1 526.6 1.3 528
Keithsburg, Left Bank, staff + wire weight at grain elevator 427.7 523.2 4.8 528
Oquawka, Left Bank, staff at downstream end Marina 415.2 513.2 14.8 528
Lock 18, Pool (upstream side) 410.5 518.5 9.5 528
Lock 18, Tail (downstream side) 410.5 518.5 -0.3 518.2
Burlington, Right Bank, RR Bridge staff + satellite in shed on bank 403.1 511.4 6.8 518.2
I S U Power, Right Bank, staff at intake 399 498.2 20 518.2
Ft Madison, Right Bank, RR Bridge staff + satellite in shed on bank 383.9 518.2 0 518.2
Ft Madison, Right Bank, harbor, top of wall at ramp = 522.79 383.8 500 18.2 518.2
Lock 19, Pool (upstream side) 364.3 518.2 0 518.2
Lock 19, Tail (downstream side) 364.3 477.8 2.2 480
Warsaw, Left Bank, staff on sheet pile upstream of elevator 359.9 472.9 5.8 478.7
Gregory, Right Bank, tape + satellite in shed at elevator 352.9 472.7 5.5 478.2
Lock 20, Pool (upstream side) 343.2 468.5 7 475.5
Lock 20, Tail (downstream side) 343.2 468.5 1.5 470
LaGrange, Right Bank, staff on cell + wire weight at elevator 336 464.6 5.4 470
Quincy, Left Bank, staff + satellite at water plant 327 458.6 11.4 470
Lock 21, Pool (upstream side) 324.9 457.8 12.2 470
Lock 21, Tail (downstream side) 324.9 457.8 1.7 459.5
N E Mo Power, Right Bank, staff at intake 320 454.6 4.9 459.5
Hannibal, Right Bank, staff at RR Bridge, satellite in bldg upstream harbor 309.8 449.5 10 459.5
Lock 22, Pool (upstream side) 301.2 446.1 13.4 459.5
Lock 22, Tail (downstream side) 301.2 446.1 2.9 449