1 STATION NAME: Mississippi River at French Island spillway near Lock and Dam 7 STATION NUMBER: M702.7T DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Total Nitrogen LOAD ESTIMATES FOR 19930101 TO 19971231 TOTAL NUMBER OF OBS.: 111 NUMBER OF UNCENSORED OBS.: 111 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1086. 400. 400. 400. 439. 571. 836. 31338. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1208. 400. 400. 400. 454. 625. 840. 40809. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.0835E+02 + 1.1005E+00 LN(FLOW) - 4.0927E-02 SIN(DECTIME) + 1.5449E-01 COS(DECTIME) - 1.0362E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.119 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 16.66 ( 19 DF) PROBABILITY LEVEL = 0.613 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.0835E+02 + 1.1005E+00 LN(FLOW) - 4.0927E-02 SIN(DECTIME) + 1.5449E-01 COS(DECTIME) - 1.0362E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.119 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 2.0843E+02 + 1.0892E+00 LN(FLOW) - 2.3193E-04 SIN(DECTIME) + 1.8411E-01 COS(DECTIME) - 1.0359E-01 DECTIME 1 STATION: Mississippi River at French Island spillway near Lock and Dam 7 (CONTINUED) STATION NUMBER: M702.7T LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 7. 11. 11. 3. 3. STD DEV LOAD (TON/DAY) 1. 2. 2. 0. 0. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 2. 2. 2. 2. 3. 3. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 2. 3. 4. 7. 183. 250. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 7. 11. 11. 3. 3. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 2. 2. 2. 2. 3. 3. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 2. 3. 4. 7. 186. 254. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 7. 11. 11. 3. 3. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 2. 2. 2. 3. 3. 3. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 2. 3. 5. 8. 176. 238. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 7.3 1 STATION NAME: Mississippi River at French Island spillway near Lock and Dam 7 STATION NUMBER: M702.7T DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Total Nitrate + Nitrite LOAD ESTIMATES FOR 19930101 TO 19971231 TOTAL NUMBER OF OBS.: 117 NUMBER OF UNCENSORED OBS.: 114 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1439. 400. 400. 400. 439. 589. 865. 38506. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1208. 400. 400. 400. 454. 625. 840. 40809. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.3296E+02 + 1.2501E+00 LN(FLOW) + 1.2256E-01 SIN(DECTIME) + 5.5095E-01 COS(DECTIME) - 1.6690E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.818 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 58.41 ( 20 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.2644E+02 + 1.2483E+00 LN(FLOW) + 1.2042E-01 SIN(DECTIME) + 5.4789E-01 COS(DECTIME) - 1.6362E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.798 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 3.2672E+02 + 1.2661E+00 LN(FLOW) + 8.5353E-03 SIN(DECTIME) + 6.0089E-01 COS(DECTIME) - 1.6374E-01 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at French Island spillway near Lock and Dam 7 (CONTINUED) STATION NUMBER: M702.7T LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 6. 11. 9. 2. 3. STD DEV LOAD (TON/DAY) 2. 4. 3. 0. 0. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 1. 2. 2. 3. 3. 3. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 3. 4. 7. 172. 271. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 6. 11. 8. 2. 2. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 1. 2. 2. 2. 3. 3. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 1. 2. 4. 6. 160. 263. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 5.60 9.90 8.10 1.80 2.40 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 1. 2. 2. 2. 3. 3. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 2. 4. 6. 161. 252. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 5.1 1 STATION NAME: Mississippi River at French Island spillway near Lock and Dam 7 STATION NUMBER: M702.7T DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Dissolved Ammonia LOAD ESTIMATES FOR 19930101 TO 19971231 TOTAL NUMBER OF OBS.: 117 NUMBER OF UNCENSORED OBS.: 113 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1439. 400. 400. 400. 439. 589. 865. 38506. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1208. 400. 400. 400. 454. 625. 840. 40809. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 5.5844E+02 + 1.4347E+00 LN(FLOW) + 2.7778E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.480 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 46.55 ( 20 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 5.5244E+02 + 1.4320E+00 LN(FLOW) + 2.7479E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.435 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 5.5192E+02 + 1.3623E+00 LN(FLOW) + 2.7477E-01 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at French Island spillway near Lock and Dam 7 (CONTINUED) STATION NUMBER: M702.7T LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1.00 2.80 0.93 0.15 0.13 STD DEV LOAD (TON/DAY) 0.46 1.50 0.40 0.02 0.02 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. 0. 0. 1. 24. 91. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1.10 3.00 0.96 0.14 0.12 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. 1. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 1. 26. 101. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.85 2.30 0.77 0.14 0.12 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. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 19. 75. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 0.45 1 STATION NAME: Mississippi River at French Island spillway near Lock and Dam 7 STATION NUMBER: M702.7T DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Total Phosphorus LOAD ESTIMATES FOR 19930101 TO 19971231 TOTAL NUMBER OF OBS.: 101 NUMBER OF UNCENSORED OBS.: 101 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1150. 400. 400. 400. 454. 589. 857. 31338. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1208. 400. 400. 400. 454. 625. 840. 40809. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.6061E+02 + 2.4584E+00 LN(FLOW) - 8.9747E-02 LN(FLOW)**2 - 2.3621E-01 SIN(DECTIME) - 2.5004E-01 COS(DECTIME) - 8.3532E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.163 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 27.93 ( 17 DF) PROBABILITY LEVEL = 0.046 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.6061E+02 + 2.4584E+00 LN(FLOW) - 8.9747E-02 LN(FLOW)**2 - 2.3621E-01 SIN(DECTIME) - 2.5004E-01 COS(DECTIME) - 8.3532E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.163 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.6069E+02 + 2.4724E+00 LN(FLOW) - 8.9013E-02 LN(FLOW)**2 - 2.7666E-01 SIN(DECTIME) - 2.9102E-01 COS(DECTIME) - 8.3649E-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 French Island spillway near Lock and Dam 7 (CONTINUED) STATION NUMBER: M702.7T LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.43 0.55 0.84 0.21 0.13 STD DEV LOAD (TON/DAY) 0.06 0.09 0.14 0.02 0.01 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. 0. 1. 8. 14. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.44 0.57 0.86 0.21 0.13 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. 0. 1. 8. 14. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.47 0.59 0.96 0.21 0.12 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. 0. 0. 0. 0. 1. 9. 17. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 0.53 1 STATION NAME: Mississippi River at French Island spillway near Lock and Dam 7 STATION NUMBER: M702.7T DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Soluble Reactive Phosphorus LOAD ESTIMATES FOR 19930101 TO 19971231 TOTAL NUMBER OF OBS.: 113 NUMBER OF UNCENSORED OBS.: 107 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1137. 400. 400. 400. 439. 580. 853. 31338. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1208. 400. 400. 400. 454. 625. 840. 40809. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 4.2294E+02 + 1.2320E+00 LN(FLOW) - 6.0583E-01 SIN(DECTIME) - 7.6393E-02 COS(DECTIME) - 2.1349E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.388 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 76.68 ( 19 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.9236E+02 + 1.2385E+00 LN(FLOW) - 5.9225E-01 SIN(DECTIME) - 8.4941E-02 COS(DECTIME) - 1.9818E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.322 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 3.9182E+02 + 1.0740E+00 LN(FLOW) - 2.2473E-01 SIN(DECTIME) - 2.5862E-01 COS(DECTIME) - 1.9723E-01 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at French Island spillway near Lock and Dam 7 (CONTINUED) STATION NUMBER: M702.7T LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.37 0.32 0.92 0.17 0.08 STD DEV LOAD (TON/DAY) 0.14 0.14 0.43 0.03 0.02 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. 0. 0. 9. 22. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.34 0.31 0.84 0.13 0.07 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. 0. 0. 8. 21. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.26 0.29 0.59 0.09 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. 0. 0. 5. 13. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 0.31 1 STATION NAME: Mississippi River at French Island spillway near Lock and Dam 7 STATION NUMBER: M702.7T DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Total Suspended Sediment LOAD ESTIMATES FOR 19930101 TO 19971231 TOTAL NUMBER OF OBS.: 113 NUMBER OF UNCENSORED OBS.: 113 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1412. 400. 400. 400. 439. 589. 853. 38506. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1208. 400. 400. 400. 454. 625. 840. 40809. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.2834E+02 + 9.9743E-01 LN(FLOW) - 9.9314E-02 SIN(DECTIME) - 4.6739E-01 COS(DECTIME) - 1.6266E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.686 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 21.53 ( 19 DF) PROBABILITY LEVEL = 0.308 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.2834E+02 + 9.9743E-01 LN(FLOW) - 9.9314E-02 SIN(DECTIME) - 4.6739E-01 COS(DECTIME) - 1.6266E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.686 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 3.2880E+02 + 9.3599E-01 LN(FLOW) - 1.0626E-01 SIN(DECTIME) - 5.3548E-01 COS(DECTIME) - 1.6276E-01 DECTIME 1 STATION: Mississippi River at French Island spillway near Lock and Dam 7 (CONTINUED) STATION NUMBER: M702.7T LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 43. 52. 95. 15. 10. STD DEV LOAD (TON/DAY) 10. 13. 28. 2. 1. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 4. 8. 11. 15. 19. 21. 23. 24. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 10. 15. 21. 32. 54. 839. 1930. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 49. 59. 110. 16. 10. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 9. 12. 16. 21. 23. 26. 26. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 11. 16. 23. 35. 59. 972. 2273. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 44. 52. 98. 16. 10. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 8. 12. 17. 22. 24. 27. 28. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 11. 16. 24. 36. 60. 831. 1895. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 45. 1 STATION NAME: Mississippi River at French Island spillway near Lock and Dam 7 STATION NUMBER: M702.7T DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Dissolved Chloride LOAD ESTIMATES FOR 19930101 TO 19971231 TOTAL NUMBER OF OBS.: 111 NUMBER OF UNCENSORED OBS.: 111 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1129. 400. 400. 400. 439. 554. 836. 31338. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1208. 400. 400. 400. 454. 625. 840. 40809. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 4.5566E+00 + 9.0603E-01 LN(FLOW) - 6.9487E-02 SIN(DECTIME) + 2.4177E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.118 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 26.82 ( 19 DF) PROBABILITY LEVEL = 0.109 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 4.5566E+00 + 9.0603E-01 LN(FLOW) - 6.9487E-02 SIN(DECTIME) + 2.4177E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.118 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 3.9562E+00 + 1.0123E+00 LN(FLOW) - 1.6202E-01 SIN(DECTIME) + 2.4516E-01 COS(DECTIME) 1 STATION: Mississippi River at French Island spillway near Lock and Dam 7 (CONTINUED) STATION NUMBER: M702.7T LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 26. 40. 30. 17. 17. STD DEV LOAD (TON/DAY) 2. 5. 3. 1. 1. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 9. 10. 12. 13. 14. 14. 14. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 9. 11. 14. 18. 24. 35. 409. 666. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 26. 40. 30. 16. 17. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 9. 10. 12. 13. 13. 14. 14. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 9. 11. 14. 18. 24. 35. 414. 677. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 30. 48. 39. 18. 16. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 8. 8. 10. 13. 14. 14. 14. 14. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 8. 11. 14. 18. 25. 37. 597. 970. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 25. 1 STATION NAME: Mississippi River at French Island spillway near Lock and Dam 7 STATION NUMBER: M702.7T DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Dissolved Silicon LOAD ESTIMATES FOR 19930101 TO 19971231 TOTAL NUMBER OF OBS.: 111 NUMBER OF UNCENSORED OBS.: 111 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1148. 400. 400. 400. 439. 571. 857. 31338. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1208. 400. 400. 400. 454. 625. 840. 40809. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.2999E+02 + 1.0974E+00 LN(FLOW) - 3.3829E-01 SIN(DECTIME) + 3.1298E-01 COS(DECTIME) - 6.3882E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.201 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 36.16 ( 19 DF) PROBABILITY LEVEL = 0.010 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.2999E+02 + 1.0974E+00 LN(FLOW) - 3.3829E-01 SIN(DECTIME) + 3.1298E-01 COS(DECTIME) - 6.3882E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.201 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.3040E+02 + 1.1477E+00 LN(FLOW) - 2.2258E-01 SIN(DECTIME) + 2.9329E-01 COS(DECTIME) - 6.4215E-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 French Island spillway near Lock and Dam 7 (CONTINUED) STATION NUMBER: M702.7T LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 15. 21. 23. 9. 8. STD DEV LOAD (TON/DAY) 2. 4. 4. 1. 1. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 3. 5. 6. 7. 8. 8. 9. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 5. 6. 9. 13. 19. 360. 487. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 15. 22. 23. 9. 8. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 3. 5. 6. 7. 7. 8. 9. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 5. 6. 9. 13. 19. 364. 494. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 18. 28. 28. 9. 8. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 4. 5. 6. 7. 7. 7. 8. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 5. 6. 9. 13. 19. 466. 657. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 16.