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Fish Telemetry

To monitor fish movement in selected rivers, the U.S. Geological Survey (USGS) has installed near real-time receivers for fish tags. These receivers detect the presence of acoustic tags that have been surgically implanted into a variety of fish species. The near real-time data are recorded when detected, stored onsite, and typically retrieved by USGS offices once per hour. The tag detection data can provide information about how far fish are moving in a river system, changes in fish population distribution, and, when viewed with flow and water temperature data, how river conditions influence fish movement. USGS water flow and water temperature data are available at USGS Water Data for the Nation.

Disclaimer: USGS data on this page have not received Director's approval and as such are provisional and subject to revision. The data are released on the condition that neither the USGS nor the United States Government may be held liable for any damages resulting from their use.


Current Conditions

Station Name Date/Time Fish Tags During the Previous 24 Hours
CHICAGO SANITARY AND SHIP CANAL NR LEMONT, IL  No data  No data
CHICAGO SANITARY AND SHIP CANAL BELOW FISH BARRIER AT ROMEOVILLE, IL  No data  No data
DES PLAINES RIVER ABOVE BRANDON ROAD LOCK AND DAM AT ROCKDALE, IL  2021-05-15 02:00:00 CST  None
DES PLAINES RIVER BELOW BRANDON ROAD LOCK AND DAM AT ROCKDALE, IL  2021-05-15 02:10:00 CST  A69-9001-17348
ILLINOIS RIVER ABOVE DRESDEN ISLAND DAM NEAR MINOOKA, IL  2021-05-15 02:05:00 CST  A69-9001-8686, A69-1602-30671, A69-9001-8778
HANSON GRAVEL WEST PIT AT CULVERT NR MORRIS, IL  2021-05-15 02:05:00 CST  None
HANSON GRAVEL EAST PIT_01 NR MORRIS, IL  Removed for winter  Removed for winter
HANSON GRAVEL PIT ENTRANCE CHANNEL NR MORRIS, IL  Removed for winter  Removed for winter
ILLINOIS RIVER BELOW STARVED ROCK LOCK AND DAM AT UTICA, IL  Temporarily removed  Temporarily removed
MISSISSIPPI R I-90 BAY UPPER POOL 8  Removed for winter  Removed for winter
MISSISSIPPI R BLUFF SLOUGH LOWER POOL 8  Removed for winter  Removed for winter
MISSISSIPPI R AT CREDIT ISLAND NEAR DAVENPORT, IA  2021-05-15 08:00:00 UTC  A69-9001-12446, A69-1602-55585, A69-1602-55512, A69-9001-6526
BIG TIMBER BACKWATER (P17) NEAR PORT LOUISA, IA  2021-05-15 08:00:00 UTC  A69-1602-18686, A69-1602-55560
CLEVELAND SLOUGH (P17) NEAR PORT LOUISA, IA  2021-05-15 05:15:00 UTC  A69-9001-20599
ELIZA CREEK AT BOSTON BAY (P18) AT NEW BOSTON, IL  2021-05-15 08:05:00 UTC  A69-9001-12672
SANDUSKY RIVER AT BRADYS ISLAND AT FREMONT, OH  2021-05-15 02:05:00 CST  A69-1601-62550, A69-1601-62549, A69-1601-62551, A69-1601-62655, A69-1601-62535, A69-1601-62538, A69-1601-62649, A69-1601-62653, A69-1601-62578, A69-1601-62613, A69-1601-62660, A69-1601-62612, A69-1601-62661, A69-1601-62652
SANDUSKY RIVER AT OTTAWA SHOOTING CLUB NR WIGHTMANS GROVE, OH  2021-05-15 03:00:00 EST  None
MAUMEE RIVER (LEFT BANK) AT PERRYSBURG, OH  Removed for winter  Removed for winter
MAUMEE RIVER (RIGHT BANK) AT PERRYSBURG, OH  Removed for winter  Removed for winter


time zone conversions: CST = UTC - 6; CDT = UTC - 5; EST = UTC - 5; EDT = UTC - 4

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Page Last Modified: 2021-05-15 03:30 CDT