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! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
with a full decommission expected 6 months later. Learn more about the upcoming change and where to find the new samples data in our blog.

Current Conditions for Illinois: Water Quality -- 43 site(s) found

PROVISIONAL DATA SUBJECT TO REVISION




Customize table to display other current-condition parameters
Station
Number
Station name Date/Time pH,
water,
unfltrd
field,
std
units
Specif-
ic
conduc-
tance,
wat unf
uS/cm @
25 degC
Temper-
ature,
water,
deg C
Dis-
solved
oxygen,
mg/L
Nitrate
+
nitrite
water,
in situ
mg/L as
Group Undefined
05536368 CALUMET SAG CHANNEL AT BLUE ISLAND, IL  08/07 14:25 CST -- --  24.1 -- -- 
05549400 FOX RIVER AT MILLER BRIDGE NEAR MCHENRY, IL  12/15 17:00 CST -- --  1.5 -- -- 
05559900 ILLINOIS RIVER ABOVE RTE 150 AT PEORIA, IL  12/15 17:00 CST 9.0 922  2.7 16.5 3.2 
05568705 MASON TAZEWELL DRAINAGE D AT CR2350E NR TOPEKA, IL  12/15 17:00 CST -- Eqp -- -- -- 
    11/27 12:45 CST Eqp -- Eqp Eqp -- 
    11/27 09:15 CST -- -- -- -- 0.64 
401934089541701 22N7W-29.1d1 (DP-1)  12/15 16:30 CST -- -- -- -- 0.0 
401934089541702 22N7W-29.1d2 (SH-1)  12/15 16:30 CST -- -- -- -- 3.0 
401934089541703 22N7W-29.1d3 (DP-2)  12/15 17:00 CST -- 582  13.6 -0.3 -- 
401934089541704 22N7W-29.1d4 (SH-2)  12/15 16:30 CST -- 519  13.5 3.3 -- 
423784088133401 Long Lake at BEN Dock at Long Lake, IL  11/13 10:19 CST 7.8 678  11.2 6.7 -- 
Group Vermilion Basin
03338780 NORTH FORK VERMILION RIVER NEAR BISMARCK, IL  12/15 17:15 CST -- -- -- -- 3.6 
03339000 VERMILION RIVER NEAR DANVILLE, IL  12/15 16:45 CST -- -- -- -- 3.3 
      (YSI)  10/04 10:30 CST -- --  17.6 -- -- 
Group Embarras Basin
03346500 EMBARRAS RIVER AT LAWRENCEVILLE, IL  12/15 17:00 CST -- -- -- -- *** 
    10/19 09:45 CST -- --  15.9 -- -- 
Group Little Wabash Basin
03381495 LITTLE WABASH RIVER AT MAIN ST AT CARMI, IL  07/18 23:45 CST -- --  28.0 -- -- 
03381500 LITTLE WABASH RIVER AT CARMI, IL  12/15 17:00 CST -- -- -- -- 0.9 
Group Lower Ohio Basin
03612600 OHIO RIVER AT OLMSTED, IL  12/15 17:00 CST 8.1 414  7.6 11.6 1.13 
Group Lower Rock Basin
05440700 ROCK RIVER AT BYRON, IL  12/15 17:15 CST -- --  0.4 -- -- 
05446500 ROCK RIVER NEAR JOSLIN, IL  12/15 17:00 CST -- -- -- -- Ssn 
    12/18 11:30 CST -- --  1.1 -- -- 
Group Green Basin
05447500 GREEN RIVER NEAR GENESEO, IL  12/15 17:00 CST -- -- -- -- Ssn 
    05/03 20:00 CST -- -- Eqp -- -- 
Group Chicago Basin
05536137 CHICAGO S & S CANAL AT WESTERN AVE AT CHICAGO, IL 
      BOTTOM (10 FT)  10/21 14:30 CST -- 629  16.5 -- -- 
      MIDDLE (6 FT)  10/21 14:30 CST -- 661  16.5 -- -- 
      TOP (2 FT)  10/21 14:30 CST -- 636  16.5 -- -- 
413339087223001 LITTLE CALUMET RIVER AT BURR STREET AT GARY, IN  12/15 18:15 EST -- --  6.0 -- -- 
Group Kankakee Basin
05527000 KANKAKEE RIVER AT CUSTER PARK, IL  12/15 17:15 CST -- --  0.0 -- -- 
05527500 KANKAKEE RIVER NEAR WILMINGTON, IL  12/15 16:45 CST -- --  0.8 -- -- 
412320088154101 KANKAKEE R AT INFLOW OF POWER PLANT NR LORENZO, IL  12/15 17:00 CST -- --  0.2 -- -- 
Group Des Plaines Basin
05536995 CHICAGO SANITARY AND SHIP CANAL AT ROMEOVILLE, IL 
      P1  12/15 17:00 CST -- 1,100  6.0 -- -- 
      P2  12/15 17:00 CST -- 1,120  6.1 -- -- 
      P3  12/15 17:00 CST -- 1,010  6.0 -- -- 
      P4  12/15 17:00 CST -- 1,060  6.1 -- -- 
05537980 DES PLAINES RIVER AT ROUTE 53 AT JOLIET, IL  12/15 17:00 CST 7.9 1,070  4.8 11.0 9.2 
05538020 DES PLAINES RIVER IN LOCK CHANNEL AT ROCKDALE, IL  10/15 13:15 CST Dis -- -- -- -- 
    10/15 12:45 CST -- Dis -- -- -- 
    10/15 12:15 CST -- -- Dis Dis -- 
      [CO2]  10/16 10:00 CST -- -- *** -- -- 
05539670 DES PLAINES RIVER AT CHANNAHON, IL 
      CS  12/15 17:00 CST -- 1,160  3.7 -- -- 
Group Upper Illinois Basin
05543010 ILLINOIS RIVER AT SENECA, IL  12/15 16:45 CST 8.4 893  1.8 14.6 4.5 
Group Upper Fox Basin
05549500 FOX RIVER NEAR MCHENRY, IL  11/19 14:03 CST 8.2 Ssn  11.3 Ssn -- 
422308088195601 45N8E-17.7h1 (9-MCH-S)  12/15 17:00 CST -- -- Dis -- -- 
422848088191001 46N8E-08.2e1 (4-RCH-S)  12/15 16:30 CST -- -- Dis -- -- 
Group Lower Illinois Basin
05586300 ILLINOIS RIVER AT FLORENCE, IL  12/15 16:45 CST -- --  1.4 -- 3.1 
      [YSI]  12/15 16:45 CST 8.5 830 -- 14.2 -- 
Group Mackinaw Basin
05567500 MACKINAW RIVER NEAR CONGERVILLE, IL  12/15 17:00 CST Ssn Ssn -- Ssn Ssn 
    11/25 12:45 CST -- -- Ssn -- -- 
Group Spoon Basin
03336890 SPOON RIVER NEAR ST. JOSEPH, IL  11/26 10:00 CST -- -- -- -- Ssn 
Group Salt Basin
05578100 SALT CREEK NEAR FARMER CITY, IL  12/15 16:30 CST -- --  0.7 -- -- 
    07/08 08:30 CST -- Dis -- -- -- 
05578250 NORTH FORK SALT CREEK NEAR DE WITT, IL  12/15 16:30 CST -- --  0.3 -- -- 
    07/23 16:30 CST -- 609 -- -- -- 
Group Big Muddy Basin
05599490 BIG MUDDY RIVER AT RTE 127 AT MURPHYSBORO, IL  12/15 18:00 CST 7.9 801  4.4 12.4 0.8 
Group Lower Kaskaskia Basin
05595000 KASKASKIA RIVER AT NEW ATHENS, IL  12/15 16:45 CST -- -- -- -- 1.0 
Group Copperas-Duck Basin
05420400 MISSISSIPPI RIVER AT DAM 13 NEAR FULTON, IL  12/15 17:15 CST 8.2 459  0.1 15.8 -- 
      [Nitratax]  12/15 16:00 CST -- -- -- -- 1.89 
Group Lower Illinois-Senachwine Lake Basin
05553700 ILLINOIS RIVER AT STARVED ROCK, IL 
      BN  12/15 17:00 CST 8.4 1,010  0.1 15.3 3.91 
      SHD  04/12 12:45 CST 8.3 887 Dis 11.4 -- 
05558300 ILLINOIS RIVER AT HENRY, IL 
      YSI  12/11 10:45 CST 8.4 956  1.2 14.2 -- 
Group Lower Illinois-Lake Chautauqua Basin
401913089534501 22N7W-28.5a (IL Tree Nursery)  12/15 16:30 CST 7.3 581  14.6 3.9 14.6 
Group Peruque-Piasa Basin
05587498 Mississippi River Pool Lock and Dam 26 at Alton,IL  12/15 17:00 CST -- -- -- -- 2.2 
    11/09 15:30 CST Eqp Eqp Eqp Eqp -- 

Data status codes:
  ***     Temporarily unavailable
  --     Parameter not determined
  Dis     Data-collection discontinued
  Eqp     Equipment malfunction
  Ssn     Parameter monitored seasonally