1 STATION NAME: Mississippi River at Lock & Dam 2 STATION NUMBER: UM 815.6 DRAINAGE AREA: 37056.0 SQUARE MILES CONSTITUENT: Total Nitrogen LOAD ESTIMATES FOR 19760101 TO 19961231 TOTAL NUMBER OF OBS.: 362 NUMBER OF UNCENSORED OBS.: 362 CALIBRATION DATA PERIOD OF RECORD: 1976 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 12814. 500. 2430. 4900. 8600. 15550. 32290. 71800. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15423. 200. 3600. 5800. 10300. 20800. 35500. 96300. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 7.5141E+00 - 1.2130E+00 LN(FLOW) + 1.2581E-01 LN(FLOW)**2 + 3.8110E-02 SIN(DECTIME) + 9.1524E-02 COS(DECTIME) + 1.0083E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.125 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 70.11 ( 69 DF) PROBABILITY LEVEL = 0.440 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 7.5141E+00 - 1.2130E+00 LN(FLOW) + 1.2581E-01 LN(FLOW)**2 + 3.8110E-02 SIN(DECTIME) + 9.1524E-02 COS(DECTIME) + 1.0083E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.125 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 7.6460E+00 - 1.2512E+00 LN(FLOW) + 1.2765E-01 LN(FLOW)**2 + 6.6336E-02 SIN(DECTIME) + 9.1629E-02 COS(DECTIME) + 1.0245E-02 DECTIME 1 STATION: Mississippi River at Lock & Dam 2 (CONTINUED) STATION NUMBER: UM 815.6 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 170. 320. 190. 120. 69. STD DEV LOAD (TON/DAY) 6. 14. 7. 5. 2. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 3. 4. 4. 5. 5. 6. 12. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 7. 51. 94. 205. 435. 621. 917. 1999. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 170. 320. 190. 120. 69. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 3. 4. 4. 5. 5. 6. 12. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 7. 51. 94. 205. 435. 622. 918. 2008. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 170. 320. 180. 120. 69. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 3. 4. 4. 5. 5. 6. 13. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 7. 50. 93. 204. 441. 633. 934. 2008. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 160. 1 STATION NAME: Mississippi River at Lock & Dam 2 STATION NUMBER: UM 815.6 DRAINAGE AREA: 37056.0 SQUARE MILES CONSTITUENT: Total Nitrate + Nitrite LOAD ESTIMATES FOR 19760101 TO 19961231 TOTAL NUMBER OF OBS.: 564 NUMBER OF UNCENSORED OBS.: 564 CALIBRATION DATA PERIOD OF RECORD: 1976 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15082. 500. 3300. 5500. 10100. 20150. 35600. 71800. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15423. 200. 3600. 5800. 10300. 20800. 35500. 96300. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 8.2478E+01 - 5.9763E-01 LN(FLOW) + 1.1148E-01 LN(FLOW)**2 - 5.1916E-02 SIN(DECTIME) + 2.1101E-01 COS(DECTIME) + 4.5211E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.390 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 179.34 (109 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 8.2478E+01 - 5.9763E-01 LN(FLOW) + 1.1148E-01 LN(FLOW)**2 - 5.1916E-02 SIN(DECTIME) + 2.1101E-01 COS(DECTIME) + 4.5211E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.390 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 8.2372E+01 - 6.0982E-01 LN(FLOW) + 1.1061E-01 LN(FLOW)**2 - 1.7381E-02 SIN(DECTIME) + 1.6994E-01 COS(DECTIME) + 4.5252E-02 DECTIME 1 STATION: Mississippi River at Lock & Dam 2 (CONTINUED) STATION NUMBER: UM 815.6 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 130. 250. 150. 94. 41. STD DEV LOAD (TON/DAY) 6. 15. 8. 5. 2. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 1. 2. 3. 4. 5. 6. 10. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 23. 55. 150. 378. 547. 920. 2546. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 130. 250. 140. 93. 41. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 1. 2. 3. 4. 5. 6. 10. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 23. 54. 148. 372. 538. 908. 2523. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 130. 250. 140. 87. 39. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 1. 2. 3. 4. 5. 6. 9. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 23. 53. 145. 366. 537. 904. 2462. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 110. 1 STATION NAME: Mississippi River at Lock & Dam 2 STATION NUMBER: UM 815.6 DRAINAGE AREA: 37056.0 SQUARE MILES CONSTITUENT: Dissolved Ammonia LOAD ESTIMATES FOR 19760101 TO 19961231 TOTAL NUMBER OF OBS.: 601 NUMBER OF UNCENSORED OBS.: 553 CALIBRATION DATA PERIOD OF RECORD: 1976 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15152. 500. 3300. 5550. 10200. 20300. 35380. 71800. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15423. 200. 3600. 5800. 10300. 20800. 35500. 96300. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.6840E+02 + 7.5497E-01 LN(FLOW) + 3.0003E-01 SIN(DECTIME) + 6.6838E-01 COS(DECTIME) - 1.3384E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.760 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 243.19 (117 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.5772E+02 + 7.4681E-01 LN(FLOW) + 2.9545E-01 SIN(DECTIME) + 6.3805E-01 COS(DECTIME) - 1.2841E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.716 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 2.5762E+02 + 6.4754E-01 LN(FLOW) + 3.4606E-01 SIN(DECTIME) + 6.2520E-01 COS(DECTIME) - 1.2784E-01 DECTIME 1 STATION: Mississippi River at Lock & Dam 2 (CONTINUED) STATION NUMBER: UM 815.6 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 16. 26. 8. 12. 17. 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. 1. 1. 2. 4. 5. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 5. 10. 22. 35. 51. 84. 131. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 16. 25. 8. 11. 17. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 1. 1. 2. 4. 4. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 5. 10. 21. 34. 48. 81. 123. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 15. 24. 8. 11. 17. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 1. 2. 2. 4. 6. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 5. 10. 20. 33. 47. 73. 113. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 14. 1 STATION NAME: Mississippi River at Lock & Dam 2 STATION NUMBER: UM 815.6 DRAINAGE AREA: 37056.0 SQUARE MILES CONSTITUENT: Total Phosphorus LOAD ESTIMATES FOR 19760101 TO 19961231 TOTAL NUMBER OF OBS.: 592 NUMBER OF UNCENSORED OBS.: 592 CALIBRATION DATA PERIOD OF RECORD: 1976 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15209. 500. 3300. 5525. 10100. 20300. 35400. 71800. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15423. 200. 3600. 5800. 10300. 20800. 35500. 96300. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.1103E+01 - 1.1737E+00 LN(FLOW) + 1.0662E-01 LN(FLOW)**2 - 4.3175E-03 SIN(DECTIME) - 1.3002E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.095 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 135.58 (115 DF) PROBABILITY LEVEL = 0.092 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.1103E+01 - 1.1737E+00 LN(FLOW) + 1.0662E-01 LN(FLOW)**2 - 4.3175E-03 SIN(DECTIME) - 1.3002E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.095 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.1941E+01 - 1.3483E+00 LN(FLOW) + 1.1547E-01 LN(FLOW)**2 - 4.5736E-02 SIN(DECTIME) - 1.3892E-01 COS(DECTIME) WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS TWICE THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at Lock & Dam 2 (CONTINUED) STATION NUMBER: UM 815.6 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 9. 15. 11. 7. 4. STD DEV LOAD (TON/DAY) 0. 0. 0. 0. 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. 1. 3. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 4. 6. 12. 20. 26. 37. 70. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 9. 15. 11. 7. 4. 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. 3. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 4. 6. 12. 20. 26. 38. 70. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 9. 14. 11. 7. 4. 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. 3. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 4. 6. 12. 20. 26. 37. 72. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 9.4 1 STATION NAME: Mississippi River at Lock & Dam 2 STATION NUMBER: UM 815.6 DRAINAGE AREA: 37056.0 SQUARE MILES CONSTITUENT: Soluble Reactive Phosphorus (measured as Orthophosphate) LOAD ESTIMATES FOR 19760101 TO 19961231 TOTAL NUMBER OF OBS.: 375 NUMBER OF UNCENSORED OBS.: 374 CALIBRATION DATA PERIOD OF RECORD: 1977 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 16733. 500. 4200. 6700. 11600. 23700. 36880. 71800. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15423. 200. 3600. 5800. 10300. 20800. 35500. 96300. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 1.9232E+01 - 1.6471E+00 LN(FLOW) + 1.2733E-01 LN(FLOW)**2 - 1.7462E-01 SIN(DECTIME) + 4.1387E-02 COS(DECTIME) + 1.6202E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.337 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 131.47 ( 72 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 1.9132E+01 - 1.6375E+00 LN(FLOW) + 1.2679E-01 LN(FLOW)**2 - 1.7384E-01 SIN(DECTIME) + 4.0555E-02 COS(DECTIME) + 1.6131E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.336 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 1.8694E+01 - 1.5374E+00 LN(FLOW) + 1.2132E-01 LN(FLOW)**2 - 4.3658E-02 SIN(DECTIME) - 3.1830E-02 COS(DECTIME) + 1.5723E-02 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS TWICE THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at Lock & Dam 2 (CONTINUED) STATION NUMBER: UM 815.6 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 4.50 6.00 5.10 4.40 2.60 STD DEV LOAD (TON/DAY) 0.17 0.35 0.25 0.24 0.14 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. 2. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 3. 6. 9. 11. 16. 31. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 4.40 5.80 5.00 4.30 2.50 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. 3. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 3. 6. 9. 11. 16. 30. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 4.50 6.60 5.20 3.70 2.40 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. 2. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 3. 6. 9. 12. 16. 32. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 4.5 1 STATION NAME: Mississippi River at Lock & Dam 2 STATION NUMBER: UM 815.6 DRAINAGE AREA: 37056.0 SQUARE MILES CONSTITUENT: Total Suspended Solids LOAD ESTIMATES FOR 19760101 TO 19961231 TOTAL NUMBER OF OBS.: 566 NUMBER OF UNCENSORED OBS.: 560 CALIBRATION DATA PERIOD OF RECORD: 1976 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15063. 500. 3270. 5500. 10100. 19850. 35800. 71800. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15423. 200. 3600. 5800. 10300. 20800. 35500. 96300. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 5.1238E+01 - 4.6354E-01 LN(FLOW) + 1.0444E-01 LN(FLOW)**2 - 4.4463E-01 SIN(DECTIME) - 8.2210E-01 COS(DECTIME) - 2.1110E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.465 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 151.00 (110 DF) PROBABILITY LEVEL = 0.006 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 5.0374E+01 - 4.8273E-01 LN(FLOW) + 1.0531E-01 LN(FLOW)**2 - 4.4183E-01 SIN(DECTIME) - 8.1824E-01 COS(DECTIME) - 2.0622E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.462 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 5.0357E+01 - 4.6781E-01 LN(FLOW) + 1.0399E-01 LN(FLOW)**2 - 4.1722E-01 SIN(DECTIME) - 8.4944E-01 COS(DECTIME) - 2.0650E-02 DECTIME WARNING: MAXIMUM PREDICTED CONCENTRATION EXCEEDS 100000 UG/L 1 STATION: Mississippi River at Lock & Dam 2 (CONTINUED) STATION NUMBER: UM 815.6 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2400. 3400. 4700. 1500. 210. STD DEV LOAD (TON/DAY) 130. 220. 270. 86. 11. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 13. 32. 56. 84. 100. 143. 230. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 16. 235. 776. 2954. 6609. 9342. 19465. 59866. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2600. 3600. 5000. 1500. 230. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 14. 34. 60. 89. 106. 152. 248. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 18. 252. 830. 3151. 7037. 9948. 20720. 64333. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2600. 3700. 5000. 1500. 220. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 13. 34. 61. 91. 108. 154. 250. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 17. 249. 832. 3173. 7180. 10116. 20817. 64895. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 2000.