1 STATION NAME: Mississippi River at Lock and Dam 13 STATION NUMBER: M525.5L DRAINAGE AREA: 85306.0 SQUARE MILES CONSTITUENT: Total Nitrogen LOAD ESTIMATES FOR 19910101 TO 19980804 TOTAL NUMBER OF OBS.: 151 NUMBER OF UNCENSORED OBS.: 151 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1998 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 70663. 21715. 32775. 41325. 60583. 92006. 116825. 228798. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 66942. 552. 32326. 39859. 56068. 87516. 112546. 246387. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.6633E+02 + 4.1461E+00 LN(FLOW) - 1.3613E-01 LN(FLOW)**2 + 1.5164E-01 SIN(DECTIME) + 4.7310E-02 COS(DECTIME) - 9.1155E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.081 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 34.20 ( 27 DF) PROBABILITY LEVEL = 0.160 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.6633E+02 + 4.1461E+00 LN(FLOW) - 1.3613E-01 LN(FLOW)**2 + 1.5164E-01 SIN(DECTIME) + 4.7310E-02 COS(DECTIME) - 9.1155E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.081 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.6667E+02 + 4.2138E+00 LN(FLOW) - 1.3972E-01 LN(FLOW)**2 + 1.9691E-01 SIN(DECTIME) + 2.2281E-02 COS(DECTIME) - 9.1462E-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: Mississippi River at Lock and Dam 13 (CONTINUED) STATION NUMBER: M525.5L LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 500. 810. 520. 350. 300. STD DEV LOAD (TON/DAY) 15. 35. 20. 15. 14. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 2. 3. 3. 4. 4. 4. 5. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 256. 394. 667. 1019. 1235. 1562. 1762. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 500. 810. 520. 350. 300. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 2. 3. 3. 4. 4. 4. 5. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 256. 393. 666. 1018. 1235. 1562. 1773. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 510. 840. 530. 340. 300. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 2. 3. 3. 4. 4. 5. 5. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 256. 390. 681. 1053. 1280. 1597. 1777. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 480. 1 STATION NAME: Mississippi River at Lock and Dam 13 STATION NUMBER: M525.5L DRAINAGE AREA: 85306.0 SQUARE MILES CONSTITUENT: Total Nitrate + Nitrite LOAD ESTIMATES FOR 19910101 TO 19980804 TOTAL NUMBER OF OBS.: 154 NUMBER OF UNCENSORED OBS.: 154 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1998 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 70266. 21715. 32986. 41295. 58285. 91689. 117921. 228798. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 66942. 552. 32326. 39859. 56068. 87516. 112546. 246387. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 9.4566E+01 + 7.4660E+00 LN(FLOW) - 2.7063E-01 LN(FLOW)**2 + 2.4653E-01 SIN(DECTIME) + 3.4266E-01 COS(DECTIME) - 6.5594E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.294 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 46.87 ( 27 DF) PROBABILITY LEVEL = 0.010 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 9.4566E+01 + 7.4660E+00 LN(FLOW) - 2.7063E-01 LN(FLOW)**2 + 2.4653E-01 SIN(DECTIME) + 3.4266E-01 COS(DECTIME) - 6.5594E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.294 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 9.5232E+01 + 7.6370E+00 LN(FLOW) - 2.8240E-01 LN(FLOW)**2 + 3.3067E-01 SIN(DECTIME) + 2.4666E-01 COS(DECTIME) - 6.6109E-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: Mississippi River at Lock and Dam 13 (CONTINUED) STATION NUMBER: M525.5L LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 340. 610. 280. 230. 220. STD DEV LOAD (TON/DAY) 20. 50. 20. 19. 19. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 2. 3. 3. 3. 4. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 153. 244. 471. 724. 893. 1121. 1295. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 330. 590. 270. 220. 220. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 2. 3. 3. 3. 3. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 150. 239. 462. 712. 877. 1102. 1278. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 340. 620. 280. 200. 210. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 2. 3. 3. 3. 4. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 152. 234. 464. 723. 890. 1104. 1282. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 300. 1 STATION NAME: Mississippi River at Lock and Dam 13 STATION NUMBER: M525.5L DRAINAGE AREA: 85306.0 SQUARE MILES CONSTITUENT: Dissolved Ammonia LOAD ESTIMATES FOR 19910101 TO 19980804 TOTAL NUMBER OF OBS.: 154 NUMBER OF UNCENSORED OBS.: 145 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1998 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 70266. 21715. 32986. 41295. 58285. 91689. 117921. 228798. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 66942. 552. 32326. 39859. 56068. 87516. 112546. 246387. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 2.4977E+02 + 9.1958E-01 LN(FLOW) + 6.5141E-01 SIN(DECTIME) - 4.4322E-02 COS(DECTIME) + 1.2498E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.722 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 73.71 ( 27 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 2.3803E+02 + 9.2829E-01 LN(FLOW) + 6.2698E-01 SIN(DECTIME) - 2.6570E-02 COS(DECTIME) + 1.1906E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.633 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 2.3666E+02 + 1.0992E+00 LN(FLOW) + 2.4372E-01 SIN(DECTIME) + 1.7888E-01 COS(DECTIME) + 1.1757E-01 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: Mississippi River at Lock and Dam 13 (CONTINUED) STATION NUMBER: M525.5L LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 25. 51. 22. 9. 15. STD DEV LOAD (TON/DAY) 4. 10. 4. 2. 3. 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. 10. 15. 35. 55. 64. 113. 151. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 19. 39. 17. 8. 12. 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. 8. 12. 27. 43. 49. 87. 119. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 18. 30. 16. 11. 12. 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. 10. 14. 22. 33. 41. 68. 100. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 17. 1 STATION NAME: Mississippi River at Lock and Dam 13 STATION NUMBER: M525.5L DRAINAGE AREA: 85306.0 SQUARE MILES CONSTITUENT: Total Phosphorus LOAD ESTIMATES FOR 19910101 TO 19980804 TOTAL NUMBER OF OBS.: 143 NUMBER OF UNCENSORED OBS.: 143 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1998 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 70772. 21715. 32915. 41034. 61061. 92109. 116757. 228798. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 66942. 552. 32326. 39859. 56068. 87516. 112546. 246387. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.2231E+02 + 1.2581E+00 LN(FLOW) - 1.1309E-01 SIN(DECTIME) - 4.1216E-01 COS(DECTIME) - 1.1299E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.364 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 40.75 ( 25 DF) PROBABILITY LEVEL = 0.024 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.2231E+02 + 1.2581E+00 LN(FLOW) - 1.1309E-01 SIN(DECTIME) - 4.1216E-01 COS(DECTIME) - 1.1299E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.364 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 2.2179E+02 + 1.2135E+00 LN(FLOW) - 1.2757E-01 SIN(DECTIME) - 2.7629E-01 COS(DECTIME) - 1.1248E-01 DECTIME 1 STATION: Mississippi River at Lock and Dam 13 (CONTINUED) STATION NUMBER: M525.5L LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 38. 54. 59. 27. 12. STD DEV LOAD (TON/DAY) 3. 5. 5. 2. 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 0. 13. 28. 51. 85. 105. 195. 287. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 37. 52. 57. 26. 12. 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. 13. 27. 50. 82. 102. 189. 279. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 35. 48. 50. 27. 14. 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. 14. 27. 46. 75. 90. 161. 232. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 34. 1 STATION NAME: Mississippi River at Lock and Dam 13 STATION NUMBER: M525.5L DRAINAGE AREA: 85306.0 SQUARE MILES CONSTITUENT: Soluble Reactive Phosphorus LOAD ESTIMATES FOR 19910101 TO 19980804 TOTAL NUMBER OF OBS.: 119 NUMBER OF UNCENSORED OBS.: 109 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1998 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 66343. 24207. 34021. 41034. 57068. 81800. 111004. 220418. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 66942. 552. 32326. 39859. 56068. 87516. 112546. 246387. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 4.6436E+02 + 1.8344E+01 LN(FLOW) - 7.7281E-01 LN(FLOW)**2 - 5.0886E-01 SIN(DECTIME) + 1.0234E-01 COS(DECTIME) - 2.8239E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.526 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 60.28 ( 20 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 4.4902E+02 + 1.5174E+01 LN(FLOW) - 6.2982E-01 LN(FLOW)**2 - 4.8868E-01 SIN(DECTIME) + 8.9710E-02 COS(DECTIME) - 2.6589E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.419 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 4.4924E+02 + 1.4842E+01 LN(FLOW) - 6.2641E-01 LN(FLOW)**2 - 3.7689E-01 SIN(DECTIME) - 2.7722E-02 COS(DECTIME) - 2.6430E-01 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. ERROR IN FUNCTION GM -- MAGNITUDE OF ARGUMENT IS TOO LARGE WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at Lock and Dam 13 (CONTINUED) STATION NUMBER: M525.5L LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 13. 12. 15. 19. 8. STD DEV LOAD (TON/DAY) 0. 3. 3. 4. 0. 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. 4. 10. 19. 31. 37. 53. 60. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 12. 11. 13. 16. 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. 0. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 4. 9. 17. 27. 31. 43. 51. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 11. 11. 13. 13. 6. 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. 4. 9. 15. 25. 28. 35. 38. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 8.7 1 STATION NAME: Mississippi River at Lock and Dam 13 STATION NUMBER: M525.5L DRAINAGE AREA: 85306.0 SQUARE MILES CONSTITUENT: Total Suspended Sediment LOAD ESTIMATES FOR 19910101 TO 19980804 TOTAL NUMBER OF OBS.: 151 NUMBER OF UNCENSORED OBS.: 150 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1998 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 69806. 21715. 32775. 41325. 58967. 91249. 115654. 228798. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 66942. 552. 32326. 39859. 56068. 87516. 112546. 246387. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.7686E+02 + 1.8332E+00 LN(FLOW) - 2.1184E-01 SIN(DECTIME) - 9.2246E-01 COS(DECTIME) - 9.0842E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.780 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 56.07 ( 27 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.7578E+02 + 1.8331E+00 LN(FLOW) - 2.1241E-01 SIN(DECTIME) - 9.2084E-01 COS(DECTIME) - 9.0299E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.775 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.7595E+02 + 1.7927E+00 LN(FLOW) - 2.0020E-01 SIN(DECTIME) - 7.4154E-01 COS(DECTIME) - 9.0151E-02 DECTIME WARNING: MAXIMUM PREDICTED CONCENTRATION EXCEEDS 100000 UG/L 1 STATION: Mississippi River at Lock and Dam 13 (CONTINUED) STATION NUMBER: M525.5L LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 12000. 16000. 24000. 5500. 1300. STD DEV LOAD (TON/DAY) 1400. 2300. 3300. 730. 180. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 14. 35. 73. 104. 130. 236. 308. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1611. 5690. 15294. 28688. 39797. 109801. 204415. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 12000. 16000. 24000. 5400. 1300. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 14. 35. 71. 101. 127. 232. 304. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1579. 5589. 14901. 28118. 39001. 107868. 202337. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 11000. 15000. 20000. 5400. 1500. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 16. 35. 64. 88. 109. 187. 242. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1820. 5537. 13498. 24971. 33844. 87682. 160903. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 9200. 1 STATION NAME: Mississippi River at Lock and Dam 13 STATION NUMBER: M525.5L DRAINAGE AREA: 85306.0 SQUARE MILES CONSTITUENT: Dissolved Chloride LOAD ESTIMATES FOR 19910101 TO 19980804 TOTAL NUMBER OF OBS.: 152 NUMBER OF UNCENSORED OBS.: 152 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1998 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 69833. 21715. 32845. 41235. 58285. 91900. 116791. 228798. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 66942. 552. 32326. 39859. 56068. 87516. 112546. 246387. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.0959E+01 + 2.6732E+00 LN(FLOW) - 8.2636E-02 LN(FLOW)**2 + 6.5972E-02 SIN(DECTIME) + 6.1816E-02 COS(DECTIME) - 1.2547E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.023 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 34.89 ( 27 DF) PROBABILITY LEVEL = 0.142 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.0959E+01 + 2.6732E+00 LN(FLOW) - 8.2636E-02 LN(FLOW)**2 + 6.5972E-02 SIN(DECTIME) + 6.1816E-02 COS(DECTIME) - 1.2547E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.023 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.9723E+01 + 2.4272E+00 LN(FLOW) - 7.1094E-02 LN(FLOW)**2 + 6.6316E-02 SIN(DECTIME) + 4.7276E-02 COS(DECTIME) - 1.1266E-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: Mississippi River at Lock and Dam 13 (CONTINUED) STATION NUMBER: M525.5L LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2400. 3400. 2500. 2000. 1700. STD DEV LOAD (TON/DAY) 33. 74. 47. 43. 40. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 13. 14. 15. 16. 17. 17. 17. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 1640. 2136. 3199. 3933. 4459. 5710. 6256. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2400. 3400. 2500. 2000. 1700. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 13. 14. 15. 16. 17. 17. 17. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 7. 1640. 2136. 3199. 3934. 4460. 5715. 6266. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2500. 3500. 2500. 2000. 1700. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 13. 14. 15. 16. 16. 17. 17. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 9. 1622. 2122. 3198. 3968. 4505. 5885. 6505. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 2400. 1 STATION NAME: Mississippi River at Lock and Dam 13 STATION NUMBER: M525.5L DRAINAGE AREA: 85306.0 SQUARE MILES CONSTITUENT: Dissolved Silicon LOAD ESTIMATES FOR 19910101 TO 19980804 TOTAL NUMBER OF OBS.: 152 NUMBER OF UNCENSORED OBS.: 150 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1998 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 69530. 21715. 32845. 41235. 57585. 91500. 116791. 228798. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 66942. 552. 32326. 39859. 56068. 87516. 112546. 246387. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.5165E+02 + 1.5007E+00 LN(FLOW) - 3.0982E-01 SIN(DECTIME) + 5.6730E-01 COS(DECTIME) - 7.7289E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.797 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 99.59 ( 27 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.4974E+02 + 1.4974E+00 LN(FLOW) - 3.0757E-01 SIN(DECTIME) + 5.6295E-01 COS(DECTIME) - 7.6312E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.787 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.4752E+02 + 1.1530E+00 LN(FLOW) - 2.5982E-02 SIN(DECTIME) + 2.3427E-01 COS(DECTIME) - 7.3192E-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: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at Lock and Dam 13 (CONTINUED) STATION NUMBER: M525.5L LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1000. 1200. 860. 1200. 810. STD DEV LOAD (TON/DAY) 100. 170. 110. 170. 120. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 4. 5. 7. 9. 10. 14. 17. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 505. 817. 1356. 1959. 2382. 3914. 4742. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 880. 1000. 740. 1100. 690. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 3. 4. 6. 8. 9. 12. 14. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 430. 695. 1151. 1670. 2022. 3353. 4050. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 820. 1200. 790. 730. 580. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 4. 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 3. 462. 681. 1055. 1484. 1789. 2493. 3213. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 770.