1
 
 
 
 STATION NAME:  Illinois River near confluence with Mississippi River                             
 STATION NUMBER:  I007.0W        
 DRAINAGE AREA:    28772.0 SQUARE MILES
 
 CONSTITUENT: Total Nitrogen                               
 LOAD ESTIMATES FOR   19910101 TO   19970930
 TOTAL NUMBER OF OBS.:   118        NUMBER OF UNCENSORED OBS.:   118
 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997
 
 
 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     27072.     4497.     8431.    11404.    22324.    36955.    55824.    88110.
 
 PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     30702.     3916.     8994.    12802.    24852.    44405.    62398.   116190.
 
 
 MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = + 1.2644E+02 + 1.2335E+00 LN(FLOW) + 2.1287E-01 SIN(DECTIME)
            + 1.6882E-01 COS(DECTIME) - 6.2913E-02 DECTIME
 
 ESTIMATED RESIDUAL VARIANCE =    0.109
 
 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC =   55.68 ( 20 DF)
 PROBABILITY LEVEL =  0.001
 
 
 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = + 1.2644E+02 + 1.2335E+00 LN(FLOW) + 2.1287E-01 SIN(DECTIME)
            + 1.6882E-01 COS(DECTIME) - 6.2913E-02 DECTIME
 
 ESTIMATED RESIDUAL VARIANCE =    0.109
 
 
 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------------

 LN(LOAD) = + 1.2676E+02 + 1.2464E+00 LN(FLOW) + 2.6321E-01 SIN(DECTIME)
            + 1.3251E-01 COS(DECTIME) - 6.3161E-02 DECTIME
 
1
 
 
 
 STATION:   Illinois River near confluence with Mississippi River     (CONTINUED)
 STATION NUMBER:  I007.0W        
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.)
 -----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)           550.      880.      410.      280.      590.
 STD DEV LOAD (TON/DAY)            26.       51.       23.       19.       39.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         3.        4.        5.        7.        8.        9.       10.       10.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
        36.      143.      374.      838.     1267.     1607.     2031.     2342.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.)
 ----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)           550.      890.      410.      280.      590.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         3.        4.        6.        7.        8.        9.       10.       11.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
        36.      144.      377.      844.     1277.     1619.     2048.     2359.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.)
 -----------------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)           570.      940.      430.      270.      590.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         3.        4.        6.        7.        9.       10.       10.       11.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
        34.      142.      391.      855.     1328.     1697.     2150.     2556.
 
 
 LOAD ESTIMATED BY BEALE RATIO ESTIMATOR
 ---------------------------------------
 
 AVERAGE ANNUAL LOAD (TON/DAY):     480.
1
 
 
 
 STATION NAME:  Illinois River near confluence with Mississippi River                                                          
 STATION NUMBER:  I007.0W        
 DRAINAGE AREA:    28772.0 SQUARE MILES
 
 CONSTITUENT: Total Nitrate + Nitrite                               
 LOAD ESTIMATES FOR   19910101 TO   19970930
 TOTAL NUMBER OF OBS.:   123        NUMBER OF UNCENSORED OBS.:   122
 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997
 
 
 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     28350.     4497.     8501.    11404.    23130.    39913.    61861.    88110.
 
 PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     30702.     3916.     8994.    12802.    24852.    44405.    62398.   116190.
 
 
 MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = + 8.8256E-01 + 1.1999E+00 LN(FLOW) + 2.6971E-01 SIN(DECTIME)
            + 2.3056E-01 COS(DECTIME)
 
 ESTIMATED RESIDUAL VARIANCE =    0.420
 
 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC =  101.07 ( 21 DF)
 PROBABILITY LEVEL =  0.001
 
 
 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = + 8.7325E-01 + 1.2008E+00 LN(FLOW) + 2.6934E-01 SIN(DECTIME)
            + 2.2961E-01 COS(DECTIME)
 
 ESTIMATED RESIDUAL VARIANCE =    0.417
 
 
 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------------

 LN(LOAD) = - 9.6240E-03 + 1.2944E+00 LN(FLOW) + 2.4167E-01 SIN(DECTIME)
            + 1.6640E-01 COS(DECTIME)
 
1
 
 
 
 STATION:   Illinois River near confluence with Mississippi River     (CONTINUED)
 STATION NUMBER:  I007.0W        
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.)
 -----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)           410.      660.      290.      200.      450.
 STD DEV LOAD (TON/DAY)            34.       71.       31.       24.       51.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         2.        3.        4.        5.        6.        7.        7.        8.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
        23.      115.      286.      605.      902.     1160.     1553.     1932.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.)
 ----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)           370.      600.      270.      180.      410.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         2.        3.        4.        5.        6.        6.        6.        7.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
        21.      104.      260.      551.      821.     1056.     1419.     1763.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.)
 -----------------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)           380.      640.      300.      190.      390.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         2.        3.        4.        5.        6.        6.        7.        7.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
        18.      100.      260.      572.      887.     1131.     1622.     1889.
 
 
 LOAD ESTIMATED BY BEALE RATIO ESTIMATOR
 ---------------------------------------
 
 AVERAGE ANNUAL LOAD (TON/DAY):     350.
1
 
 
 
 STATION NAME:  Illinois River near confluence with Mississippi River                                                          
 STATION NUMBER:  I007.0W        
 DRAINAGE AREA:    28772.0 SQUARE MILES
 
 CONSTITUENT: Dissolved Ammonia                            
 LOAD ESTIMATES FOR   19910101 TO   19970930
 TOTAL NUMBER OF OBS.:   121        NUMBER OF UNCENSORED OBS.:   114
 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997
 
 
 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     27902.     4497.     8473.    11404.    22485.    38085.    60505.    88110.
 
 PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     30702.     3916.     8994.    12802.    24852.    44405.    62398.   116190.
 
 
 MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = - 2.8041E+00 + 1.1845E+00 LN(FLOW) + 6.1601E-01 SIN(DECTIME)
            + 8.4012E-01 COS(DECTIME)
 
 ESTIMATED RESIDUAL VARIANCE =    1.556
 
 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC =   70.48 ( 21 DF)
 PROBABILITY LEVEL =  0.001
 
 
 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = - 2.7531E+00 + 1.1811E+00 LN(FLOW) + 6.1061E-01 SIN(DECTIME)
            + 8.1574E-01 COS(DECTIME)
 
 ESTIMATED RESIDUAL VARIANCE =    1.475
 
 
 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------------

 LN(LOAD) = - 2.6147E+00 + 1.1857E+00 LN(FLOW) + 5.1081E-01 SIN(DECTIME)
            + 5.7811E-01 COS(DECTIME)
 
1
 
 
 
 STATION:   Illinois River near confluence with Mississippi River  (CONTINUED)
 STATION NUMBER:  I007.0W        
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.)
 -----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)            19.       30.        6.        7.       31.
 STD DEV LOAD (TON/DAY)             4.        7.        1.        2.        7.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         0.        0.        0.        0.        0.        0.        0.        1.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         1.        3.       11.       27.       48.       61.       96.      124.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.)
 ----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)            14.       24.        5.        5.       23.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         0.        0.        0.        0.        0.        0.        0.        0.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         0.        3.        9.       20.       37.       47.       74.       96.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.)
 -----------------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)            13.       21.        6.        5.       18.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         0.        0.        0.        0.        0.        0.        0.        0.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         1.        3.        8.       18.       31.       38.       56.       76.
 
 
 LOAD ESTIMATED BY BEALE RATIO ESTIMATOR
 ---------------------------------------
 
 AVERAGE ANNUAL LOAD (TON/DAY):      11.
1
 
 
 
 STATION NAME:  Illinois River near confluence with Mississippi River                               
 STATION NUMBER:  I007.0W        
 DRAINAGE AREA:    28772.0 SQUARE MILES
 
 CONSTITUENT: Total Phosphorus                             
 LOAD ESTIMATES FOR   19910101 TO   19970930
 TOTAL NUMBER OF OBS.:   110        NUMBER OF UNCENSORED OBS.:   110
 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997
 
 
 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     27186.     4497.     8319.    11484.    22808.    36094.    55147.    88110.
 
 PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     30702.     3916.     8994.    12802.    24852.    44405.    62398.   116190.
 
 
 MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = + 1.2998E+00 + 9.0278E-01 LN(FLOW)
 
 ESTIMATED RESIDUAL VARIANCE =    0.131
 
 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC =   20.74 ( 19 DF)
 PROBABILITY LEVEL =  0.351
 
 
 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = + 1.2998E+00 + 9.0278E-01 LN(FLOW)
 
 ESTIMATED RESIDUAL VARIANCE =    0.131
 
 
 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------------

 LN(LOAD) = + 1.0007E+00 + 9.3127E-01 LN(FLOW)
 
1
 
 
 
 STATION:   Illinois River near confluence with Mississippi River   (CONTINUED)
 STATION NUMBER:  I007.0W        
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.)
 -----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)            22.       29.       21.       15.       20.
 STD DEV LOAD (TON/DAY)             1.        2.        1.        1.        1.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         0.        0.        0.        0.        0.        0.        0.        0.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         3.       10.       18.       31.       42.       48.       60.       73.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.)
 ----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)            22.       29.       21.       15.       20.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         0.        0.        0.        0.        0.        0.        0.        0.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         3.       10.       18.       31.       42.       48.       60.       73.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.)
 -----------------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)            22.       30.       22.       15.       21.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         0.        0.        0.        0.        0.        0.        0.        0.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         3.       10.       18.       31.       43.       50.       62.       77.
 
 
 LOAD ESTIMATED BY BEALE RATIO ESTIMATOR
 ---------------------------------------
 
 AVERAGE ANNUAL LOAD (TON/DAY):      22.
1
 
 
 
 STATION NAME:  Illinois River near confluence with Mississippi River                               
 STATION NUMBER:  I007.0W        
 DRAINAGE AREA:    28772.0 SQUARE MILES
 
 CONSTITUENT: Soluble Reactive Phosphorus                     
 LOAD ESTIMATES FOR   19910101 TO   19970930
 TOTAL NUMBER OF OBS.:   121        NUMBER OF UNCENSORED OBS.:   120
 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997
 
 
 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     28118.     4497.     8473.    11404.    22485.    39107.    62076.    88110.
 
 PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     30702.     3916.     8994.    12802.    24852.    44405.    62398.   116190.
 
 
 MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = + 1.5265E+02 + 9.6181E-01 LN(FLOW) - 1.5518E-01 SIN(DECTIME)
            + 2.1769E-01 COS(DECTIME) - 7.6680E-02 DECTIME
 
 ESTIMATED RESIDUAL VARIANCE =    0.566
 
 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC =   67.26 ( 21 DF)
 PROBABILITY LEVEL =  0.001
 
 
 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = + 1.5140E+02 + 9.6080E-01 LN(FLOW) - 1.5300E-01 SIN(DECTIME)
            + 2.1678E-01 COS(DECTIME) - 7.6047E-02 DECTIME
 
 ESTIMATED RESIDUAL VARIANCE =    0.561
 
 
 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------------

 LN(LOAD) = + 1.5176E+02 + 9.9710E-01 LN(FLOW) - 6.7909E-02 SIN(DECTIME)
            + 1.2682E-01 COS(DECTIME) - 7.6323E-02 DECTIME
 
 
 NOTE: AIKAIKE INFORMATION CRITERION AND SCHWARZ POSTERIOR PROBABILITY
       CRITERIA DID NOT SELECT SAME BEST FIT MODEL.  MODEL
       SELECTED ON BASIS OF AIKAIKE INFORMATION CRITERION.
 
1
 
 
 
 STATION:   Illinois River near confluence with Mississippi River    (CONTINUED)
 STATION NUMBER:  I007.0W        
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.)
 -----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)            10.       12.        8.        9.       12.
 STD DEV LOAD (TON/DAY)             1.        2.        1.        1.        2.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         0.        0.        0.        0.        0.        0.        0.        0.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         2.        4.        8.       15.       20.       23.       29.       34.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.)
 ----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)             9.       11.        8.        8.       11.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         0.        0.        0.        0.        0.        0.        0.        0.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         2.        4.        7.       14.       18.       21.       27.       31.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.)
 -----------------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)            10.       12.        8.        7.       10.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         0.        0.        0.        0.        0.        0.        0.        0.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         2.        4.        7.       14.       20.       23.       27.       30.
 
 
 LOAD ESTIMATED BY BEALE RATIO ESTIMATOR
 ---------------------------------------
 
 AVERAGE ANNUAL LOAD (TON/DAY):       8.7
1
 
 
 
 STATION NAME:  Illinois River near confluence with Mississippi River                               
 STATION NUMBER:  I007.0W        
 DRAINAGE AREA:    28772.0 SQUARE MILES
 
 CONSTITUENT: Total Suspended Sediment                     
 LOAD ESTIMATES FOR   19910101 TO   19970930
 TOTAL NUMBER OF OBS.:   121        NUMBER OF UNCENSORED OBS.:   121
 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997
 
 
 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     28003.     4497.     8607.    11458.    23130.    37493.    60505.    88110.
 
 PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     30702.     3916.     8994.    12802.    24852.    44405.    62398.   116190.
 
 
 MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = + 2.7535E+00 + 1.3074E+00 LN(FLOW)
 
 ESTIMATED RESIDUAL VARIANCE =    0.405
 
 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC =   26.47 ( 21 DF)
 PROBABILITY LEVEL =  0.189
 
 
 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = + 2.7535E+00 + 1.3074E+00 LN(FLOW)
 
 ESTIMATED RESIDUAL VARIANCE =    0.405
 
 
 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------------

 LN(LOAD) = + 2.1089E+00 + 1.3664E+00 LN(FLOW)
 
 
      WARNING: MAXIMUM PREDICTED CONCENTRATION EXCEEDS 100000 UG/L
 
1
 
 
 
 STATION:   Illinois River near confluence with Mississippi River    (CONTINUED)
 STATION NUMBER:  I007.0W        
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.)
 -----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)          7700.    11000.     7500.     4700.     6800.
 STD DEV LOAD (TON/DAY)           640.     1100.      630.      340.      510.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
        45.       65.       80.       95.      106.      110.      119.      127.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
       473.     2245.     5349.    11407.    17761.    21590.    29704.    39812.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.)
 ----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)          7800.    12000.     7600.     4700.     6800.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
        46.       66.       80.       96.      107.      112.      121.      129.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
       481.     2264.     5390.    11512.    17960.    21857.    30135.    40485.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.)
 -----------------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)          8100.    12000.     7900.     4800.     7000.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
        41.       63.       81.      100.      113.      120.      131.      142.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
       434.     2189.     5418.    11974.    19060.    23402.    32737.    44570.
 
 
 LOAD ESTIMATED BY BEALE RATIO ESTIMATOR
 ---------------------------------------
 
 AVERAGE ANNUAL LOAD (TON/DAY):    7700.
1
 
 
 
 STATION NAME:  Illinois River near confluence with Mississippi River                               
 STATION NUMBER:  I007.0W        
 DRAINAGE AREA:    28772.0 SQUARE MILES
 
 CONSTITUENT: Dissolved Chloride                           
 LOAD ESTIMATES FOR   19910101 TO   19970930
 TOTAL NUMBER OF OBS.:   121        NUMBER OF UNCENSORED OBS.:   121
 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997
 
 
 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     28203.     4497.     8473.    11404.    23130.    39107.    62076.    88110.
 
 PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     30702.     3916.     8994.    12802.    24852.    44405.    62398.   116190.
 
 
 MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = - 3.5049E+01 + 6.1684E-01 LN(FLOW) + 2.6890E-01 SIN(DECTIME)
            + 1.8216E-01 COS(DECTIME) + 2.2326E-02 DECTIME
 
 ESTIMATED RESIDUAL VARIANCE =    0.052
 
 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC =   24.78 ( 21 DF)
 PROBABILITY LEVEL =  0.257
 
 
 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = - 3.5049E+01 + 6.1684E-01 LN(FLOW) + 2.6890E-01 SIN(DECTIME)
            + 1.8216E-01 COS(DECTIME) + 2.2326E-02 DECTIME
 
 ESTIMATED RESIDUAL VARIANCE =    0.052
 
 
 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------------

 LN(LOAD) = - 3.5332E+01 + 5.8360E-01 LN(FLOW) + 2.8461E-01 SIN(DECTIME)
            + 1.5528E-01 COS(DECTIME) + 2.2635E-02 DECTIME
 
 
 NOTE: AIKAIKE INFORMATION CRITERION AND SCHWARZ POSTERIOR PROBABILITY
       CRITERIA DID NOT SELECT SAME BEST FIT MODEL.  MODEL
       SELECTED ON BASIS OF AIKAIKE INFORMATION CRITERION.
 
 
      WARNING: MAXIMUM PREDICTED CONCENTRATION EXCEEDS 100000 UG/L
 
1
 
 
 
 STATION:   Illinois River near confluence with Mississippi River    (CONTINUED)
 STATION NUMBER:  I007.0W        
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.)
 -----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)          3900.     5700.     3000.     2300.     4500.
 STD DEV LOAD (TON/DAY)           100.      210.      100.       81.      180.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
        23.       43.       53.       64.       77.       89.      105.      115.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
       792.     2112.     3567.     5218.     6874.     7822.     9074.    11491.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.)
 ----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)          3900.     5700.     3000.     2300.     4500.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
        23.       43.       53.       64.       77.       89.      105.      115.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
       792.     2108.     3562.     5212.     6862.     7810.     9062.    11481.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.)
 -----------------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)          3900.     5600.     3000.     2300.     4300.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
        22.       42.       53.       64.       77.       89.      107.      118.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
       824.     2127.     3554.     5082.     6707.     7587.     8830.    10958.
 
 
 LOAD ESTIMATED BY BEALE RATIO ESTIMATOR
 ---------------------------------------
 
 AVERAGE ANNUAL LOAD (TON/DAY):    3900.
1
 
 
 
 STATION NAME:  Illinois River near confluence with Mississippi River                               
 STATION NUMBER:  I007.0W        
 DRAINAGE AREA:    28772.0 SQUARE MILES
 
 CONSTITUENT: Dissolved Silicon                             
 LOAD ESTIMATES FOR   19910101 TO   19970930
 TOTAL NUMBER OF OBS.:   120        NUMBER OF UNCENSORED OBS.:   118
 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997
 
 
 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     28214.     4497.     8459.    11404.    22808.    39510.    62183.    88110.
 
 PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS
       MEAN   MINIMUM  10TH PCT  25TH PCT    MEDIAN  75TH PCT  90TH PCT   MAXIMUM
     30702.     3916.     8994.    12802.    24852.    44405.    62398.   116190.
 
 
 MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = - 1.8974E+02 + 6.8085E+00 LN(FLOW) - 2.4920E-01 LN(FLOW)**2
            - 2.1531E-01 SIN(DECTIME) + 5.3127E-01 COS(DECTIME)
            + 7.9731E-02 DECTIME
 
 ESTIMATED RESIDUAL VARIANCE =    0.712
 
 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC =   65.29 ( 21 DF)
 PROBABILITY LEVEL =  0.001
 
 
 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------

 LN(LOAD) = - 1.8913E+02 + 6.8210E+00 LN(FLOW) - 2.4994E-01 LN(FLOW)**2
            - 2.1666E-01 SIN(DECTIME) + 5.2786E-01 COS(DECTIME)
            + 7.9403E-02 DECTIME
 
 ESTIMATED RESIDUAL VARIANCE =    0.701
 
 
 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL
 ---------------------------------------------------

 LN(LOAD) = - 1.8903E+02 + 6.8737E+00 LN(FLOW) - 2.6112E-01 LN(FLOW)**2
            - 2.9144E-01 SIN(DECTIME) + 2.8097E-01 COS(DECTIME)
            + 7.9731E-02 DECTIME
 
 
 NOTE: AIKAIKE INFORMATION CRITERION AND SCHWARZ POSTERIOR PROBABILITY
       CRITERIA DID NOT SELECT SAME BEST FIT MODEL.  MODEL
       SELECTED ON BASIS OF AIKAIKE INFORMATION CRITERION.
 
1
 
 
 
 STATION:   Illinois River near confluence with Mississippi River     (CONTINUED)
 STATION NUMBER:  I007.0W        
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.)
 -----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)           330.      410.      220.      260.      430.
 STD DEV LOAD (TON/DAY)            42.       67.       35.       46.       71.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         0.        2.        3.        4.        6.        7.        8.        8.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         3.       65.      192.      512.      818.     1025.     1435.     1870.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.)
 ----------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)           290.      360.      200.      230.      380.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         0.        2.        3.        4.        6.        6.        7.        7.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         3.       57.      169.      448.      722.      910.     1266.     1688.
 
 
 LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.)
 -----------------------------------------------------------------------------
 
                                ANNUAL    SPRING    SUMMER      FALL    WINTER
 AVERAGE LOAD (TON/DAY)           240.      290.      210.      200.      260.
 
 
 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         0.        2.        2.        3.        4.        5.        5.        5.
 
 PREDICTED LOAD SUMMARY STATISTICS (TON/DAY)
    MINIMUM  25TH PCT    MEDIAN  75TH PCT  90TH PCT  95TH PCT  99TH PCT   MAXIMUM
         4.       61.      154.      366.      538.      689.      942.     1034.
 
 
 LOAD ESTIMATED BY BEALE RATIO ESTIMATOR
 ---------------------------------------
 
 AVERAGE ANNUAL LOAD (TON/DAY):     240.