1 STATION NAME: Big Muddy River at Murphysboro, IL STATION NUMBER: 05599500 DRAINAGE AREA: 2169.0 SQUARE MILES CONSTITUENT: Total Nitrogen LOAD ESTIMATES FOR 19740101 TO 19930531 TOTAL NUMBER OF OBS.: 177 NUMBER OF UNCENSORED OBS.: 177 CALIBRATION DATA PERIOD OF RECORD: 1974 TO 1993 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 2294. 58. 100. 205. 608. 2525. 7064. 21700. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 2085. 50. 103. 280. 900. 2530. 5580. 31100. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.3923E+00 + 1.2113E+00 LN(FLOW) - 1.5781E-02 LN(FLOW)**2 + 4.6754E-02 SIN(DECTIME) + 9.5519E-02 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.099 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 47.11 ( 32 DF) PROBABILITY LEVEL = 0.041 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.3923E+00 + 1.2113E+00 LN(FLOW) - 1.5781E-02 LN(FLOW)**2 + 4.6754E-02 SIN(DECTIME) + 9.5519E-02 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.099 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.5063E+00 + 1.1701E+00 LN(FLOW) - 1.3001E-02 LN(FLOW)**2 + 4.8201E-02 SIN(DECTIME) + 1.1023E-01 COS(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: Big Muddy River at Murphysboro, IL (CONTINUED) STATION NUMBER: 05599500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 9. 15. 4. 3. 12. STD DEV LOAD (TON/DAY) 0. 1. 0. 0. 1. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 1. 2. 2. 2. 2. 2. 2. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 4. 11. 24. 35. 60. 106. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 9. 15. 4. 3. 12. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 1. 2. 2. 2. 2. 2. 2. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 4. 11. 24. 35. 61. 107. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 9. 15. 4. 3. 12. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 1. 2. 2. 2. 2. 2. 2. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 4. 11. 24. 35. 61. 108. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 8.7 1 STATION NAME: Big Muddy River at Murphysboro, IL STATION NUMBER: 05599500 DRAINAGE AREA: 2169.0 SQUARE MILES CONSTITUENT: Total Nitrate + Nitrite LOAD ESTIMATES FOR 19740101 TO 19930531 TOTAL NUMBER OF OBS.: 182 NUMBER OF UNCENSORED OBS.: 165 CALIBRATION DATA PERIOD OF RECORD: 1974 TO 1993 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 2186. 58. 100. 206. 604. 2470. 6800. 21700. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 2085. 50. 103. 280. 900. 2530. 5580. 31100. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 4.9708E+01 + 2.5596E+00 LN(FLOW) - 1.0472E-01 LN(FLOW)**2 + 7.6584E-02 SIN(DECTIME) + 4.6494E-01 COS(DECTIME) - 2.7475E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.534 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 62.95 ( 33 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 4.1262E+01 + 2.3721E+00 LN(FLOW) - 9.2623E-02 LN(FLOW)**2 + 7.5900E-02 SIN(DECTIME) + 4.1717E-01 COS(DECTIME) - 2.2855E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.501 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 4.3126E+01 + 2.2151E+00 LN(FLOW) - 8.5328E-02 LN(FLOW)**2 + 5.1861E-02 SIN(DECTIME) + 5.0454E-01 COS(DECTIME) - 2.3426E-02 DECTIME 1 STATION: Big Muddy River at Murphysboro, IL (CONTINUED) STATION NUMBER: 05599500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 3.60 5.60 1.00 1.30 6.30 STD DEV LOAD (TON/DAY) 0.32 0.61 0.11 0.16 0.67 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 1. 1. 1. 1. 1. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 1. 5. 10. 15. 21. 31. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 3.70 5.90 1.10 1.30 6.30 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 1. 1. 1. 1. 1. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 1. 5. 11. 15. 22. 33. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 3.50 5.20 0.99 1.30 6.20 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 1. 1. 1. 1. 1. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 1. 5. 10. 14. 21. 32. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 3.2 1 STATION NAME: Big Muddy River at Murphysboro, IL STATION NUMBER: 05599500 DRAINAGE AREA: 2169.0 SQUARE MILES CONSTITUENT: Dissolved Ammonia LOAD ESTIMATES FOR 19740101 TO 19930531 TOTAL NUMBER OF OBS.: 88 NUMBER OF UNCENSORED OBS.: 86 CALIBRATION DATA PERIOD OF RECORD: 1979 TO 1992 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 2469. 60. 103. 191. 579. 3303. 8519. 18800. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 2085. 50. 103. 280. 900. 2530. 5580. 31100. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.1472E+02 + 2.0144E+00 LN(FLOW) - 7.7409E-02 LN(FLOW)**2 - 3.7471E-02 SIN(DECTIME) + 5.3695E-01 COS(DECTIME) - 5.9625E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.727 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 15.50 ( 14 DF) PROBABILITY LEVEL = 0.345 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.1132E+02 + 1.9664E+00 LN(FLOW) - 7.4228E-02 LN(FLOW)**2 - 3.8090E-02 SIN(DECTIME) + 5.2550E-01 COS(DECTIME) - 5.7826E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.714 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.1162E+02 + 1.9373E+00 LN(FLOW) - 7.2026E-02 LN(FLOW)**2 - 8.9627E-03 SIN(DECTIME) + 4.4210E-01 COS(DECTIME) - 5.7922E-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: Big Muddy River at Murphysboro, IL (CONTINUED) STATION NUMBER: 05599500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.98 1.40 0.30 0.42 1.80 STD DEV LOAD (TON/DAY) 0.16 0.28 0.06 0.09 0.32 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. 1. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 1. 3. 4. 6. 9. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.97 1.40 0.30 0.42 1.70 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. 1. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 1. 3. 4. 6. 9. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.96 1.40 0.33 0.40 1.60 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 0. 0. 0. 1. 3. 4. 6. 8. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 0.74 1 STATION NAME: Big Muddy River at Murphysboro, IL STATION NUMBER: 05599500 DRAINAGE AREA: 2169.0 SQUARE MILES CONSTITUENT: Total Phosphorus LOAD ESTIMATES FOR 19740101 TO 19930531 TOTAL NUMBER OF OBS.: 182 NUMBER OF UNCENSORED OBS.: 181 CALIBRATION DATA PERIOD OF RECORD: 1974 TO 1993 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 2268. 58. 100. 206. 604. 2513. 6985. 21700. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 2085. 50. 103. 280. 900. 2530. 5580. 31100. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 6.0822E-02 + 9.9971E-01 LN(FLOW) - 1.5573E-01 SIN(DECTIME) - 1.2960E-02 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.205 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 48.62 ( 33 DF) PROBABILITY LEVEL = 0.039 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 5.8369E-02 + 1.0001E+00 LN(FLOW) - 1.5613E-01 SIN(DECTIME) - 1.2344E-02 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.204 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 1.6102E-01 + 1.0321E+00 LN(FLOW) - 2.3723E-01 SIN(DECTIME) + 4.9684E-02 COS(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: Big Muddy River at Murphysboro, IL (CONTINUED) STATION NUMBER: 05599500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1.10 1.90 0.57 0.49 1.50 STD DEV LOAD (TON/DAY) 0.06 0.12 0.04 0.04 0.10 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 0. 0. 1. 1. 3. 5. 8. 16. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1.10 1.90 0.57 0.49 1.50 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. 0. 1. 1. 3. 4. 8. 16. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1.20 1.90 0.55 0.56 1.70 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. 0. 1. 1. 3. 5. 9. 16. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 1.2 1 STATION NAME: Big Muddy River at Murphysboro, IL STATION NUMBER: 05599500 DRAINAGE AREA: 2169.0 SQUARE MILES CONSTITUENT: Soluble Reactive Phosphorus (measured as Dissolved Orthophosphate) LOAD ESTIMATES FOR 19740101 TO 19930531 TOTAL NUMBER OF OBS.: 63 NUMBER OF UNCENSORED OBS.: 61 CALIBRATION DATA PERIOD OF RECORD: 1981 TO 1992 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 3049. 60. 111. 248. 1278. 4185. 9484. 18800. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 2085. 50. 103. 280. 900. 2530. 5580. 31100. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 1.1628E+02 + 1.9277E-01 LN(FLOW) + 5.9456E-02 LN(FLOW)**2 - 5.2301E-01 SIN(DECTIME) + 2.6805E-01 COS(DECTIME) + 5.9185E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.337 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 14.21 ( 9 DF) PROBABILITY LEVEL = 0.115 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 1.1381E+02 + 1.9740E-01 LN(FLOW) + 5.9151E-02 LN(FLOW)**2 - 5.1522E-01 SIN(DECTIME) + 2.6775E-01 COS(DECTIME) + 5.7935E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.328 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 1.1159E+02 + 2.7897E-01 LN(FLOW) + 5.4856E-02 LN(FLOW)**2 - 6.6737E-01 SIN(DECTIME) + 2.9647E-01 COS(DECTIME) + 5.6640E-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: Big Muddy River at Murphysboro, IL (CONTINUED) STATION NUMBER: 05599500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.28 0.35 0.10 0.19 0.49 STD DEV LOAD (TON/DAY) 0.03 0.06 0.02 0.03 0.06 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. 0. 0. 0. 1. 1. 3. 6. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.29 0.36 0.10 0.20 0.50 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. 0. 0. 0. 1. 1. 3. 6. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.30 0.33 0.10 0.23 0.52 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. 0. 0. 0. 1. 1. 3. 7. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 0.39 1 STATION NAME: Big Muddy River at Murphysboro, IL STATION NUMBER: 05599500 DRAINAGE AREA: 2169.0 SQUARE MILES CONSTITUENT: Total Suspended Sediment LOAD ESTIMATES FOR 19740101 TO 19930531 TOTAL NUMBER OF OBS.: 241 NUMBER OF UNCENSORED OBS.: 241 CALIBRATION DATA PERIOD OF RECORD: 1975 TO 1992 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 2755. 58. 107. 283. 997. 3553. 7762. 21700. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 2085. 50. 103. 280. 900. 2530. 5580. 31100. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.0972E-01 + 2.6925E+00 LN(FLOW) - 1.1217E-01 LN(FLOW)**2 ESTIMATED RESIDUAL VARIANCE = 0.849 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 55.34 ( 45 DF) PROBABILITY LEVEL = 0.139 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.0972E-01 + 2.6925E+00 LN(FLOW) - 1.1217E-01 LN(FLOW)**2 ESTIMATED RESIDUAL VARIANCE = 0.849 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 4.9021E-01 + 2.5848E+00 LN(FLOW) - 1.0317E-01 LN(FLOW)**2 WARNING: MAXIMUM PREDICTED CONCENTRATION EXCEEDS 100000 UG/L 1 STATION: Big Muddy River at Murphysboro, IL (CONTINUED) STATION NUMBER: 05599500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 970. 1700. 480. 350. 1300. STD DEV LOAD (TON/DAY) 85. 160. 38. 27. 120. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 46. 132. 176. 200. 205. 206. 206. 206. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 104. 471. 1395. 2720. 3626. 5114. 6918. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1000. 1800. 510. 370. 1400. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 50. 142. 189. 214. 220. 220. 221. 221. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 7. 111. 503. 1491. 2911. 3890. 5536. 7676. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1100. 1900. 510. 380. 1400. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 51. 141. 189. 213. 219. 220. 220. 220. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 7. 108. 493. 1496. 3016. 4116. 6069. 8864. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 910. 1 STATION NAME: Big Muddy River at Murphysboro, IL STATION NUMBER: 05599500 DRAINAGE AREA: 2169.0 SQUARE MILES CONSTITUENT: Dissolved Chloride LOAD ESTIMATES FOR 19740101 TO 19930531 TOTAL NUMBER OF OBS.: 181 NUMBER OF UNCENSORED OBS.: 181 CALIBRATION DATA PERIOD OF RECORD: 1974 TO 1993 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 2299. 57. 98. 197. 608. 2525. 6990. 21700. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 2085. 50. 103. 280. 900. 2530. 5580. 31100. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 2.7622E+01 + 1.1801E+00 LN(FLOW) - 3.8218E-02 LN(FLOW)**2 + 1.9243E-01 SIN(DECTIME) + 1.5808E-01 COS(DECTIME) + 1.6737E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.119 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 81.35 ( 33 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 2.7622E+01 + 1.1801E+00 LN(FLOW) - 3.8218E-02 LN(FLOW)**2 + 1.9243E-01 SIN(DECTIME) + 1.5808E-01 COS(DECTIME) + 1.6737E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.119 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 2.6443E+01 + 1.0303E+00 LN(FLOW) - 2.6970E-02 LN(FLOW)**2 + 1.7627E-01 SIN(DECTIME) + 9.7594E-02 COS(DECTIME) + 1.6388E-02 DECTIME 1 STATION: Big Muddy River at Murphysboro, IL (CONTINUED) STATION NUMBER: 05599500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 110. 170. 55. 44. 150. STD DEV LOAD (TON/DAY) 4. 8. 3. 2. 7. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 22. 30. 40. 48. 54. 63. 75. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 28. 72. 159. 256. 310. 416. 501. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 100. 170. 54. 43. 150. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 21. 29. 39. 47. 53. 62. 74. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 28. 71. 156. 251. 305. 410. 497. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 100. 170. 57. 42. 140. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 7. 21. 29. 39. 47. 53. 60. 74. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 7. 28. 70. 152. 249. 306. 422. 574. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 90. 1 STATION NAME: Big Muddy River at Murphysboro, IL STATION NUMBER: 05599500 DRAINAGE AREA: 2169.0 SQUARE MILES CONSTITUENT: Dissolved Silica (The values represented here are for SiO2. Values for loads and concentrations have been converted to represent elemental Si. Si = 0.46744 * SiO2 ) LOAD ESTIMATES FOR 19740101 TO 19930531 TOTAL NUMBER OF OBS.: 151 NUMBER OF UNCENSORED OBS.: 151 CALIBRATION DATA PERIOD OF RECORD: 1974 TO 1992 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 2494. 60. 102. 224. 702. 2800. 7256. 21700. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 2085. 50. 103. 280. 900. 2530. 5580. 31100. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.2757E-01 + 1.7446E+00 LN(FLOW) - 4.3978E-02 LN(FLOW)**2 - 1.8834E-01 SIN(DECTIME) + 2.3903E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.140 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 32.00 ( 27 DF) PROBABILITY LEVEL = 0.232 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.2757E-01 + 1.7446E+00 LN(FLOW) - 4.3978E-02 LN(FLOW)**2 - 1.8834E-01 SIN(DECTIME) + 2.3903E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.140 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.1911E+00 + 1.4915E+00 LN(FLOW) - 2.7873E-02 LN(FLOW)**2 - 1.4680E-01 SIN(DECTIME) + 2.7903E-01 COS(DECTIME) 1 STATION: Big Muddy River at Murphysboro, IL (CONTINUED) STATION NUMBER: 05599500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 31. 47. 11. 14. 49. STD DEV LOAD (TON/DAY) 1. 3. 1. 1. 3. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 4. 4. 6. 7. 7. 8. 8. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 3. 12. 38. 86. 127. 216. 387. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 30. 46. 11. 14. 49. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 4. 4. 6. 7. 7. 8. 8. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 3. 12. 38. 86. 126. 216. 387. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 30. 46. 10. 13. 49. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 4. 4. 6. 7. 7. 7. 8. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 3. 11. 36. 85. 125. 222. 407. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 30.