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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 38 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  06/08 02:00 CST -- --  21.0 -- -- 
05549400 FOX RIVER AT MILLER BRIDGE NEAR MCHENRY, IL  06/08 02:00 CST -- --  22.0 -- -- 
05559900 ILLINOIS RIVER ABOVE RTE 150 AT PEORIA, IL  06/08 02:00 CST 8.1 741  23.9 5.8 5.1 
05568705 MASON TAZEWELL DRAINAGE D AT CR2350E NR TOPEKA, IL  06/08 02:00 CST 8.0 517  18.9 7.7 4.49 
423784088133401 Long Lake at BEN Dock at Long Lake, IL  10/23 12:15 CST 8.6 862 -- 10.1 -- 
    10/23 11:10 CST -- --  13.8 -- -- 
Group Vermilion Basin
03338780 NORTH FORK VERMILION RIVER NEAR BISMARCK, IL  06/08 02:15 CST -- -- -- -- 11.8 
03339000 VERMILION RIVER NEAR DANVILLE, IL  06/08 01:45 CST -- -- -- -- 11.6 
      (YSI)  06/08 01:45 CST -- -- *** -- -- 
Group Embarras Basin
03346500 EMBARRAS RIVER AT LAWRENCEVILLE, IL  06/08 02:00 CST -- -- -- -- 4.7 
    10/19 10:00 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  06/08 02:00 CST -- -- -- -- 2.2 
Group Lower Ohio Basin
03612600 OHIO RIVER AT OLMSTED, IL  06/08 03:00 CDT 7.6 306  24.4 6.4 1.47 
Group Lower Rock Basin
05440700 ROCK RIVER AT BYRON, IL  06/08 02:15 CST -- --  21.2 -- -- 
05446500 ROCK RIVER NEAR JOSLIN, IL  06/08 02:00 CST -- -- -- -- 4.0 
    12/18 11:30 CST -- --  1.1 -- -- 
Group Green Basin
05447500 GREEN RIVER NEAR GENESEO, IL  06/08 02:00 CST -- -- -- -- 4.5 
    05/03 20:00 CST -- -- Eqp -- -- 
Group Chicago Basin
05536137 CHICAGO S & S CANAL AT WESTERN AVE AT CHICAGO, IL 
      BOTTOM (10 FT)  06/08 01:50 CST -- 531  21.2 -- -- 
      MIDDLE (6 FT)  06/08 01:50 CST -- 544  21.1 -- -- 
      TOP (2 FT)  06/08 01:50 CST -- 526  21.1 -- -- 
413339087223001 LITTLE CALUMET RIVER AT BURR STREET AT GARY, IN  06/08 02:15 EST -- --  17.8 -- -- 
Group Kankakee Basin
05527000 KANKAKEE RIVER AT CUSTER PARK, IL  06/08 02:15 CST -- --  21.9 -- -- 
05527500 KANKAKEE RIVER NEAR WILMINGTON, IL  06/08 01:45 CST -- --  20.2 -- -- 
412320088154101 KANKAKEE R AT INFLOW OF POWER PLANT NR LORENZO, IL  06/08 02:00 CST -- --  22.7 -- -- 
Group Des Plaines Basin
05536995 CHICAGO SANITARY AND SHIP CANAL AT ROMEOVILLE, IL 
      P1  06/08 02:00 CST -- 673  21.8 -- -- 
      P2  06/08 02:00 CST -- 692  21.9 -- -- 
      P3  06/08 02:00 CST -- 644  21.8 -- -- 
      P4  06/08 02:00 CST -- 676  21.9 -- -- 
05537980 DES PLAINES RIVER AT ROUTE 53 AT JOLIET, IL  06/08 02:00 CST 7.5 853  21.9 7.9 3.6 
05538020 DES PLAINES RIVER IN LOCK CHANNEL AT ROCKDALE, IL  06/08 01:45 CST 7.7 820  22.2 8.7 -- 
      [CO2]  06/08 02:45 CST -- -- *** -- -- 
05539670 DES PLAINES RIVER AT CHANNAHON, IL 
      CS  06/08 02:00 CST -- 794  22.6 -- -- 
Group Upper Illinois Basin
05543010 ILLINOIS RIVER AT SENECA, IL  06/08 01:45 CST 7.8 686  22.7 7.4 5.8 
Group Upper Fox Basin
05549500 FOX RIVER NEAR MCHENRY, IL  06/08 02:00 CST 7.9 777  21.9 4.9 -- 
422308088195601 45N8E-17.7h1 (9-MCH-S)  06/08 02:00 CST -- -- Dis -- -- 
422848088191001 46N8E-08.2e1 (4-RCH-S)  06/08 01:30 CST -- -- Dis -- -- 
Group Lower Illinois Basin
05586300 ILLINOIS RIVER AT FLORENCE, IL  06/08 01:45 CST -- --  24.8 -- 4.5 
      [YSI]  06/08 01:45 CST 8.0 711 -- 6.3 -- 
Group Mackinaw Basin
05567500 MACKINAW RIVER NEAR CONGERVILLE, IL  06/08 02:00 CST 8.3 667  19.8 8.0 13.1 
Group Spoon Basin
03336890 SPOON RIVER NEAR ST. JOSEPH, IL  06/08 01:45 CST -- -- -- -- 11.4 
Group Salt Basin
05578100 SALT CREEK NEAR FARMER CITY, IL  06/08 01:30 CST -- Dis  19.5 -- -- 
05578250 NORTH FORK SALT CREEK NEAR DE WITT, IL  06/08 01:30 CST -- --  19.4 -- -- 
    07/23 16:30 CST -- 609 -- -- -- 
Group Big Muddy Basin
05599490 BIG MUDDY RIVER AT RTE 127 AT MURPHYSBORO, IL  06/08 02:00 CST -- -- -- -- 0.8 
Group Lower Kaskaskia Basin
05595000 KASKASKIA RIVER AT NEW ATHENS, IL  06/08 02:00 CST -- -- -- -- 1.3 
Group Copperas-Duck Basin
05420400 MISSISSIPPI RIVER AT DAM 13 NEAR FULTON, IL  06/08 02:15 CST 7.8 415  22.0 6.4 -- 
      [Nitratax]  06/08 02:15 CST -- -- -- -- 2.70 
Group Lower Illinois-Senachwine Lake Basin
05553700 ILLINOIS RIVER AT STARVED ROCK, IL 
      BN  06/08 02:00 CST 8.0 688  22.7 7.8 5.08 
      SHD  04/12 12:45 CST 8.3 887 Dis 11.4 -- 
05558300 ILLINOIS RIVER AT HENRY, IL 
      YSI  06/08 01:45 CST 8.1 732  22.7 7.3 -- 
Group Lower Illinois-Lake Chautauqua Basin
401913089534501 22N7W-28.5a (IL Tree Nursery)  06/08 01:30 CST 7.7 520  12.9 3.1 12.0 

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