1 STATION NAME: Mississippi River below Lock and Dam 7 STATION NUMBER: M701.1B DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Total Nitrogen LOAD ESTIMATES FOR 19910102 TO 19971231 TOTAL NUMBER OF OBS.: 141 NUMBER OF UNCENSORED OBS.: 140 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 42686. 12468. 18230. 24642. 36000. 56700. 73830. 132382. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 41300. 8500. 16600. 22935. 34539. 56179. 73115. 135097. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.1595E-01 + 1.2278E+00 LN(FLOW) ESTIMATED RESIDUAL VARIANCE = 0.349 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 65.69 ( 25 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.2291E-01 + 1.2272E+00 LN(FLOW) ESTIMATED RESIDUAL VARIANCE = 0.347 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.3056E+00 + 1.1192E+00 LN(FLOW) 1 STATION: Mississippi River below Lock and Dam 7 (CONTINUED) STATION NUMBER: M701.1B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 320. 520. 370. 250. 150. STD DEV LOAD (TON/DAY) 20. 41. 24. 14. 10. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 2. 3. 3. 3. 3. 4. 4. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 44. 151. 249. 453. 625. 769. 1216. 1321. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 300. 490. 350. 240. 140. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 2. 3. 3. 3. 3. 3. 3. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 42. 141. 233. 423. 585. 721. 1143. 1243. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 290. 450. 340. 240. 140. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 2. 3. 3. 3. 3. 3. 3. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 49. 149. 235. 405. 544. 658. 1002. 1081. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 300. 1 STATION NAME: Mississippi River below Lock and Dam 7 STATION NUMBER: M701.1B DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Total Nitrate + Nitrite LOAD ESTIMATES FOR 19910102 TO 19971231 TOTAL NUMBER OF OBS.: 147 NUMBER OF UNCENSORED OBS.: 146 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 43464. 12468. 18318. 24597. 35700. 57000. 74510. 132382. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 41300. 8500. 16600. 22935. 34539. 56179. 73115. 135097. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.7500E+02 + 9.7493E+00 LN(FLOW) - 3.9474E-01 LN(FLOW)**2 + 2.5304E-01 SIN(DECTIME) + 3.3327E-01 COS(DECTIME) - 1.6099E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.334 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 45.76 ( 26 DF) PROBABILITY LEVEL = 0.010 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.7476E+02 + 9.6806E+00 LN(FLOW) - 3.9160E-01 LN(FLOW)**2 + 2.5224E-01 SIN(DECTIME) + 3.3189E-01 COS(DECTIME) - 1.6068E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.332 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 2.7477E+02 + 9.6918E+00 LN(FLOW) - 3.9828E-01 LN(FLOW)**2 + 2.6053E-01 SIN(DECTIME) + 3.1961E-01 COS(DECTIME) - 1.6032E-01 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River below Lock and Dam 7 (CONTINUED) STATION NUMBER: M701.1B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 240. 460. 210. 170. 130. STD DEV LOAD (TON/DAY) 16. 44. 17. 15. 13. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 2. 3. 4. 5. 5. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 13. 96. 168. 332. 536. 676. 907. 1204. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 230. 440. 200. 160. 130. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 2. 3. 4. 5. 5. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 13. 93. 162. 320. 523. 651. 875. 1165. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 230. 410. 190. 160. 130. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 2. 3. 4. 4. 5. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 15. 98. 163. 305. 476. 613. 814. 1046. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 200. 1 STATION NAME: Mississippi River below Lock and Dam 7 STATION NUMBER: M701.1B DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Dissolved Ammonia LOAD ESTIMATES FOR 19910102 TO 19971231 TOTAL NUMBER OF OBS.: 147 NUMBER OF UNCENSORED OBS.: 140 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 43464. 12468. 18318. 24597. 35700. 57000. 74510. 132382. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 41300. 8500. 16600. 22935. 34539. 56179. 73115. 135097. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 3.6452E+02 + 1.7089E+00 LN(FLOW) + 6.9914E-02 SIN(DECTIME) + 4.2074E-01 COS(DECTIME) + 1.7827E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.951 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 57.08 ( 26 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 3.3763E+02 + 1.7053E+00 LN(FLOW) + 7.6255E-02 SIN(DECTIME) + 4.2904E-01 COS(DECTIME) + 1.6482E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.871 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 3.3752E+02 + 1.6293E+00 LN(FLOW) + 2.6814E-01 SIN(DECTIME) + 5.1131E-01 COS(DECTIME) + 1.6533E-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 below Lock and Dam 7 (CONTINUED) STATION NUMBER: M701.1B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 15. 28. 12. 11. 7. STD DEV LOAD (TON/DAY) 3. 7. 3. 3. 2. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 0. 0. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 5. 10. 18. 31. 42. 90. 150. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 12. 23. 10. 9. 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. 8. 15. 26. 35. 74. 125. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 13. 26. 9. 8. 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. 5. 9. 15. 27. 38. 81. 138. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 10. 1 STATION NAME: Mississippi River below Lock and Dam 7 STATION NUMBER: M701.1B DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Total Phosphorus LOAD ESTIMATES FOR 19910102 TO 19971231 TOTAL NUMBER OF OBS.: 134 NUMBER OF UNCENSORED OBS.: 134 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 43693. 12468. 18578. 24958. 36913. 57276. 74209. 132382. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 41300. 8500. 16600. 22935. 34539. 56179. 73115. 135097. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.4468E+02 + 1.2317E+00 LN(FLOW) - 2.5674E-01 SIN(DECTIME) - 1.2221E-01 COS(DECTIME) - 7.3946E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.124 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 32.40 ( 23 DF) PROBABILITY LEVEL = 0.092 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.4468E+02 + 1.2317E+00 LN(FLOW) - 2.5674E-01 SIN(DECTIME) - 1.2221E-01 COS(DECTIME) - 7.3946E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.124 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.4459E+02 + 1.1833E+00 LN(FLOW) - 2.6355E-01 SIN(DECTIME) - 1.6803E-01 COS(DECTIME) - 7.3653E-02 DECTIME 1 STATION: Mississippi River below Lock and Dam 7 (CONTINUED) STATION NUMBER: M701.1B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 17. 22. 22. 15. 6. STD DEV LOAD (TON/DAY) 1. 1. 1. 1. 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 2. 7. 14. 23. 33. 38. 69. 79. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 17. 22. 23. 15. 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 2. 7. 14. 23. 33. 39. 70. 80. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 17. 22. 23. 15. 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 2. 7. 14. 23. 33. 38. 69. 78. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 17. 1 STATION NAME: Mississippi River below Lock and Dam 7 STATION NUMBER: M701.1B DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Soluble Reactive Phosphorus LOAD ESTIMATES FOR 19910102 TO 19971231 TOTAL NUMBER OF OBS.: 145 NUMBER OF UNCENSORED OBS.: 137 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 42884. 12468. 18289. 24461. 34968. 56374. 74194. 132382. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 41300. 8500. 16600. 22935. 34539. 56179. 73115. 135097. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 4.2317E+02 + 1.3909E+00 LN(FLOW) - 5.3444E-01 SIN(DECTIME) + 2.2578E-01 COS(DECTIME) - 2.1491E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.232 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 97.25 ( 26 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 4.0714E+02 + 1.3711E+00 LN(FLOW) - 5.1535E-01 SIN(DECTIME) + 2.0243E-01 COS(DECTIME) - 2.0675E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.171 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 4.0861E+02 + 1.2749E+00 LN(FLOW) - 2.7162E-01 SIN(DECTIME) + 1.0763E-02 COS(DECTIME) - 2.0686E-01 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River below Lock and Dam 7 (CONTINUED) STATION NUMBER: M701.1B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 11. 12. 13. 14. 6. STD DEV LOAD (TON/DAY) 2. 2. 2. 3. 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 1. 4. 8. 16. 24. 30. 47. 62. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 9. 10. 11. 12. 5. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 0. 0. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 4. 7. 13. 20. 24. 39. 50. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 9. 12. 12. 9. 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. 0. 0. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 3. 7. 12. 20. 25. 39. 45. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 8.1 1 STATION NAME: Mississippi River below Lock and Dam 7 STATION NUMBER: M701.1B DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Total Suspended Sediment LOAD ESTIMATES FOR 19910102 TO 19971231 TOTAL NUMBER OF OBS.: 141 NUMBER OF UNCENSORED OBS.: 141 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 41184. 12468. 18230. 24461. 34900. 55020. 71120. 124534. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 41300. 8500. 16600. 22935. 34539. 56179. 73115. 135097. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.1621E+02 - 6.6184E+00 LN(FLOW) + 3.8934E-01 LN(FLOW)**2 - 4.0578E-01 SIN(DECTIME) - 7.0600E-01 COS(DECTIME) - 8.7832E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.269 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 18.58 ( 25 DF) PROBABILITY LEVEL = 0.817 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.1621E+02 - 6.6184E+00 LN(FLOW) + 3.8934E-01 LN(FLOW)**2 - 4.0578E-01 SIN(DECTIME) - 7.0600E-01 COS(DECTIME) - 8.7832E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.269 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 2.1624E+02 - 6.6147E+00 LN(FLOW) + 3.8808E-01 LN(FLOW)**2 - 4.0935E-01 SIN(DECTIME) - 6.6692E-01 COS(DECTIME) - 8.7803E-02 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River below Lock and Dam 7 (CONTINUED) STATION NUMBER: M701.1B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2400. 3100. 4600. 1400. 300. STD DEV LOAD (TON/DAY) 180. 310. 430. 110. 25. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 6. 14. 22. 30. 38. 81. 93. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 129. 412. 1372. 3001. 5420. 7290. 24937. 33624. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2400. 3100. 4600. 1400. 300. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 6. 14. 22. 30. 39. 83. 96. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 131. 416. 1379. 3020. 5451. 7337. 25460. 34734. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2300. 3000. 4400. 1500. 320. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 7. 14. 22. 29. 37. 78. 89. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 138. 428. 1362. 2921. 5256. 7063. 23882. 32399. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 2100. 1 STATION NAME: Mississippi River below Lock and Dam 7 STATION NUMBER: M701.1B DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Dissolved Chloride LOAD ESTIMATES FOR 19910102 TO 19971231 TOTAL NUMBER OF OBS.: 139 NUMBER OF UNCENSORED OBS.: 139 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 42972. 12468. 18200. 24686. 35700. 57000. 74104. 132382. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 41300. 8500. 16600. 22935. 34539. 56179. 73115. 135097. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 5.5878E+01 + 7.0636E-01 LN(FLOW) - 2.4319E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.075 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 45.08 ( 24 DF) PROBABILITY LEVEL = 0.006 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 5.5878E+01 + 7.0636E-01 LN(FLOW) - 2.4319E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.075 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 4.0351E+01 + 7.2907E-01 LN(FLOW) - 1.6637E-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 below Lock and Dam 7 (CONTINUED) STATION NUMBER: M701.1B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1500. 2000. 1600. 1300. 950. STD DEV LOAD (TON/DAY) 37. 66. 44. 31. 32. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 9. 12. 14. 16. 18. 19. 22. 23. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 535. 977. 1322. 1875. 2276. 2649. 3195. 3548. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1500. 2000. 1600. 1300. 950. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 9. 12. 14. 16. 18. 19. 22. 23. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 536. 977. 1322. 1875. 2275. 2651. 3199. 3551. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1500. 2000. 1600. 1300. 940. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 9. 13. 14. 16. 17. 18. 21. 22. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 503. 971. 1319. 1880. 2294. 2678. 3332. 3617. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 1400. 1 STATION NAME: Mississippi River below Lock and Dam 7 STATION NUMBER: M701.1B DRAINAGE AREA: 62340.0 SQUARE MILES CONSTITUENT: Dissolved Silicon LOAD ESTIMATES FOR 19910102 TO 19971231 TOTAL NUMBER OF OBS.: 140 NUMBER OF UNCENSORED OBS.: 140 CALIBRATION DATA PERIOD OF RECORD: 1991 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 43189. 12468. 18215. 24619. 35334. 57201. 74307. 132382. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 41300. 8500. 16600. 22935. 34539. 56179. 73115. 135097. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.2305E+02 + 1.0881E+00 LN(FLOW) - 1.9023E-01 SIN(DECTIME) + 1.9940E-01 COS(DECTIME) - 6.0474E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.139 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 28.36 ( 25 DF) PROBABILITY LEVEL = 0.291 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.2305E+02 + 1.0881E+00 LN(FLOW) - 1.9023E-01 SIN(DECTIME) + 1.9940E-01 COS(DECTIME) - 6.0474E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.139 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.2321E+02 + 1.0636E+00 LN(FLOW) - 1.1593E-01 SIN(DECTIME) + 1.1629E-01 COS(DECTIME) - 6.0384E-02 DECTIME 1 STATION: Mississippi River below Lock and Dam 7 (CONTINUED) STATION NUMBER: M701.1B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 620. 810. 650. 650. 380. STD DEV LOAD (TON/DAY) 23. 50. 32. 35. 23. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 5. 6. 7. 7. 8. 9. 9. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 139. 357. 550. 815. 1106. 1275. 1750. 1977. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 620. 800. 650. 650. 380. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 5. 6. 7. 7. 8. 9. 9. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 139. 354. 547. 810. 1100. 1269. 1741. 1967. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 630. 870. 680. 590. 360. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 4. 5. 6. 6. 7. 7. 8. 8. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 153. 345. 533. 839. 1107. 1326. 1814. 2091. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 620.