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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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
03336890 SPOON RIVER NEAR ST. JOSEPH, IL  04/24 08:45 CST -- -- -- -- 13.1 
03338780 NORTH FORK VERMILION RIVER NEAR BISMARCK, IL  04/24 09:15 CST -- -- -- -- 13.3 
03339000 VERMILION RIVER NEAR DANVILLE, IL  04/24 09:15 CST -- -- -- -- 9.8 
      (YSI)  04/24 09:15 CST -- --  12.3 -- -- 
03346500 EMBARRAS RIVER AT LAWRENCEVILLE, IL  04/24 09:00 CST -- -- -- -- 5.6 
    10/19 10:00 CST -- --  15.9 -- -- 
03381495 LITTLE WABASH RIVER AT MAIN ST AT CARMI, IL  07/18 23:45 CST -- --  28.0 -- -- 
03381500 LITTLE WABASH RIVER AT CARMI, IL  04/24 08:00 CST -- -- -- -- 0.9 
03612600 OHIO RIVER AT OLMSTED, IL  04/24 10:00 CDT 7.8 291  16.0 8.3 1.37 
05420400 MISSISSIPPI RIVER AT DAM 13 NEAR FULTON, IL  04/24 09:15 CST 8.5 432  11.0 11.2 -- 
      [Nitratax]  04/24 09:15 CST -- -- -- -- 1.76 
05440700 ROCK RIVER AT BYRON, IL  04/24 09:15 CST -- --  12.2 -- -- 
05446500 ROCK RIVER NEAR JOSLIN, IL  04/24 09:00 CST -- -- -- -- 4.3 
    12/18 11:30 CST -- --  1.1 -- -- 
05447500 GREEN RIVER NEAR GENESEO, IL  04/24 09:00 CST -- -- -- -- 6.0 
    05/03 20:00 CST -- -- Eqp -- -- 
05527000 KANKAKEE RIVER AT CUSTER PARK, IL  04/24 09:15 CST -- --  11.9 -- -- 
05527500 KANKAKEE RIVER NEAR WILMINGTON, IL  04/24 08:45 CST -- --  12.1 -- -- 
05536137 CHICAGO S & S CANAL AT WESTERN AVE AT CHICAGO, IL 
      BOTTOM (10 FT)  04/24 09:10 CST -- 904  13.0 -- -- 
      MIDDLE (6 FT)  04/24 09:10 CST -- 904  12.9 -- -- 
      TOP (2 FT)  04/24 09:10 CST -- 988  12.9 -- -- 
05536368 CALUMET SAG CHANNEL AT BLUE ISLAND, IL  04/24 09:00 CST -- --  13.1 -- -- 
05536995 CHICAGO SANITARY AND SHIP CANAL AT ROMEOVILLE, IL 
      P1  04/24 09:00 CST -- 1,010  14.3 -- -- 
      P2  04/24 09:00 CST -- 1,050  14.3 -- -- 
      P3  04/24 09:00 CST -- 914  14.3 -- -- 
      P4  04/24 09:00 CST -- 1,020  14.3 -- -- 
05537980 DES PLAINES RIVER AT ROUTE 53 AT JOLIET, IL  04/24 09:00 CST 7.9 1,080  12.9 9.4 5.2 
05538020 DES PLAINES RIVER IN LOCK CHANNEL AT ROCKDALE, IL  04/24 08:45 CST 8.0 1,070  13.5 10.8 -- 
      [CO2]  04/24 09:45 CST -- -- *** -- -- 
05539670 DES PLAINES RIVER AT CHANNAHON, IL 
      CS  04/24 09:00 CST -- 1,060  13.8 -- -- 
05543010 ILLINOIS RIVER AT SENECA, IL  04/24 08:45 CST 8.1 757  13.3 10.1 5.4 
05549400 FOX RIVER AT MILLER BRIDGE NEAR MCHENRY, IL  04/24 09:00 CST -- --  11.6 -- -- 
05549500 FOX RIVER NEAR MCHENRY, IL  04/24 09:00 CST 8.5 789  11.5 10.4 -- 
05553700 ILLINOIS RIVER AT STARVED ROCK, IL 
      BN  04/24 09:00 CST 8.3 794  13.3 10.2 2.87 
      SHD  04/12 12:45 CST 8.3 887 Dis 11.4 -- 
05558300 ILLINOIS RIVER AT HENRY, IL 
      YSI  04/24 08:45 CST 8.4 738  13.3 10.6 -- 
05559900 ILLINOIS RIVER ABOVE RTE 150 AT PEORIA, IL  04/24 09:00 CST 8.4 725  14.1 9.6 4.9 
05567500 MACKINAW RIVER NEAR CONGERVILLE, IL  04/24 09:00 CST 8.4 657  11.3 10.8 8.9 
05568705 MASON TAZEWELL DRAINAGE D AT CR2350E NR TOPEKA, IL  04/24 09:00 CST 8.0 664  12.2 9.2 0.53 
05578100 SALT CREEK NEAR FARMER CITY, IL  04/24 08:30 CST -- Dis  9.8 -- -- 
05578250 NORTH FORK SALT CREEK NEAR DE WITT, IL  04/24 08:30 CST -- --  10.1 -- -- 
    07/23 16:30 CST -- 609 -- -- -- 
05586300 ILLINOIS RIVER AT FLORENCE, IL  04/24 09:15 CST -- --  14.0 -- 4.8 
      [YSI]  04/24 09:15 CST 8.2 612 -- 10.3 -- 
05595000 KASKASKIA RIVER AT NEW ATHENS, IL  04/24 09:00 CST -- -- -- -- 1.4 
05599490 BIG MUDDY RIVER AT RTE 127 AT MURPHYSBORO, IL  04/24 09:00 CST -- -- -- -- 1.3 
401913089534501 22N7W-28.5a (IL Tree Nursery)  04/24 09:30 CST 7.6 537  13.2 3.0 13.0 
412320088154101 KANKAKEE R AT INFLOW OF POWER PLANT NR LORENZO, IL  04/24 09:00 CST -- --  12.2 -- -- 
413339087223001 LITTLE CALUMET RIVER AT BURR STREET AT GARY, IN  04/24 10:15 EST -- --  10.0 -- -- 
422308088195601 45N8E-17.7h1 (9-MCH-S)  04/24 09:00 CST -- -- Dis -- -- 
422848088191001 46N8E-08.2e1 (4-RCH-S)  04/24 08:30 CST -- -- Dis -- -- 
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 -- -- 

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