1 STATION NAME: Mississippi River at Ninniger, MN STATION NUMBER: 05331570 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Total Nitrogen LOAD ESTIMATES FOR 19770101 TO 19951231 TOTAL NUMBER OF OBS.: 85 NUMBER OF UNCENSORED OBS.: 85 CALIBRATION DATA PERIOD OF RECORD: 1978 TO 1995 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15124. 1130. 3796. 5375. 9070. 21250. 35880. 71700. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 16013. 1060. 3790. 5890. 10800. 21400. 36000. 104000. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.1581E+00 + 1.1926E+00 LN(FLOW) ESTIMATED RESIDUAL VARIANCE = 0.188 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 12.60 ( 14 DF) PROBABILITY LEVEL = 0.558 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.1581E+00 + 1.1926E+00 LN(FLOW) ESTIMATED RESIDUAL VARIANCE = 0.188 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.2151E+00 + 1.1838E+00 LN(FLOW) 1 STATION: Mississippi River at Ninniger, MN (CONTINUED) STATION NUMBER: 05331570 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 190. 330. 230. 140. 73. STD DEV LOAD (TON/DAY) 13. 27. 17. 8. 4. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 3. 4. 4. 5. 5. 6. 6. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 7. 55. 113. 255. 473. 661. 1048. 1667. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 200. 330. 230. 140. 73. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 3. 4. 4. 5. 5. 6. 6. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 7. 55. 113. 256. 476. 666. 1058. 1687. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 190. 330. 230. 140. 73. 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. 5. 6. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 7. 55. 113. 254. 471. 657. 1040. 1654. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 190. 1 STATION NAME: Mississippi River at Ninniger, MN STATION NUMBER: 05331570 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Total Nitrate + Nitrite LOAD ESTIMATES FOR 19770101 TO 19951231 TOTAL NUMBER OF OBS.: 90 NUMBER OF UNCENSORED OBS.: 89 CALIBRATION DATA PERIOD OF RECORD: 1977 TO 1995 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 14692. 2. 3766. 5398. 8905. 18375. 35390. 71700. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 16013. 1060. 3790. 5890. 10800. 21400. 36000. 104000. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 8.5886E+01 + 4.4786E-01 LN(FLOW) + 5.2257E-02 LN(FLOW)**2 + 4.4683E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.526 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 14.56 ( 15 DF) PROBABILITY LEVEL = 0.483 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 8.6401E+01 + 4.5004E-01 LN(FLOW) + 5.2046E-02 LN(FLOW)**2 + 4.4942E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.521 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 8.5955E+01 + 4.4752E-01 LN(FLOW) + 5.2294E-02 LN(FLOW)**2 + 4.4731E-02 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS TWICE THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at Ninniger, MN (CONTINUED) STATION NUMBER: 05331570 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 160. 290. 210. 100. 43. STD DEV LOAD (TON/DAY) 23. 47. 33. 12. 4. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 2. 3. 5. 6. 7. 10. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 26. 67. 185. 454. 651. 1153. 2846. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 160. 290. 200. 100. 43. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 2. 3. 5. 6. 7. 10. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 25. 66. 182. 449. 644. 1148. 2887. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 160. 290. 200. 100. 43. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 2. 3. 5. 6. 7. 10. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 25. 66. 182. 450. 646. 1153. 2899. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 130. 1 STATION NAME: Mississippi River at Ninniger, MN STATION NUMBER: 05331570 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Dissolved Ammonia LOAD ESTIMATES FOR 19770101 TO 19951231 TOTAL NUMBER OF OBS.: 69 NUMBER OF UNCENSORED OBS.: 69 CALIBRATION DATA PERIOD OF RECORD: 1979 TO 1995 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 14575. 1130. 3440. 5470. 8650. 21250. 35300. 71700. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 16013. 1060. 3790. 5890. 10800. 21400. 36000. 104000. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.6741E+02 + 6.6682E-01 LN(FLOW) + 2.7606E-01 SIN(DECTIME) + 7.2086E-01 COS(DECTIME) - 1.3295E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.675 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 14.73 ( 10 DF) PROBABILITY LEVEL = 0.142 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.6741E+02 + 6.6682E-01 LN(FLOW) + 2.7606E-01 SIN(DECTIME) + 7.2086E-01 COS(DECTIME) - 1.3295E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.675 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 2.6626E+02 + 4.9196E-01 LN(FLOW) + 3.3999E-01 SIN(DECTIME) + 6.4909E-01 COS(DECTIME) - 1.3150E-01 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS TWICE THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at Ninniger, MN (CONTINUED) STATION NUMBER: 05331570 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 14. 21. 7. 11. 17. STD DEV LOAD (TON/DAY) 2. 4. 1. 2. 3. 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. 3. 5. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 5. 9. 20. 30. 41. 62. 89. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 13. 19. 7. 11. 16. 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. 3. 5. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 4. 8. 19. 28. 39. 59. 85. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 13. 18. 7. 10. 16. 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. 6. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 5. 8. 18. 29. 34. 51. 67. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 13. 1 STATION NAME: Mississippi River at Ninniger, MN STATION NUMBER: 05331570 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Total Phosphorus LOAD ESTIMATES FOR 19770101 TO 19951231 TOTAL NUMBER OF OBS.: 90 NUMBER OF UNCENSORED OBS.: 90 CALIBRATION DATA PERIOD OF RECORD: 1977 TO 1995 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 14692. 2. 3766. 5398. 8905. 18375. 35390. 71700. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 16013. 1060. 3790. 5890. 10800. 21400. 36000. 104000. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.7005E-01 + 1.1765E+00 LN(FLOW) - 1.8958E-02 LN(FLOW)**2 - 1.0273E-01 SIN(DECTIME) - 8.1295E-02 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.133 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 30.40 ( 15 DF) PROBABILITY LEVEL = 0.011 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.7005E-01 + 1.1765E+00 LN(FLOW) - 1.8958E-02 LN(FLOW)**2 - 1.0273E-01 SIN(DECTIME) - 8.1295E-02 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.133 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.4458E-01 + 1.2148E+00 LN(FLOW) - 2.2733E-02 LN(FLOW)**2 - 4.2093E-02 SIN(DECTIME) - 1.6920E-01 COS(DECTIME) NOTE: AIKAIKE INFORMATION CRITERION AND SCHWARZ POSTERIOR PROBABILITY CRITERIA DID NOT SELECT SAME BEST FIT MODEL. MODEL SELECTED ON BASIS OF AIKAIKE INFORMATION CRITERION. 1 STATION: Mississippi River at Ninniger, MN (CONTINUED) STATION NUMBER: 05331570 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 9. 12. 11. 8. 4. STD DEV LOAD (TON/DAY) 0. 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 1. 4. 7. 12. 18. 22. 29. 43. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 9. 12. 11. 8. 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. 4. 7. 12. 18. 22. 30. 43. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 9. 13. 12. 8. 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. 4. 7. 13. 19. 23. 30. 44. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 9.3 1 STATION NAME: Mississippi River at Ninniger, MN STATION NUMBER: 05331570 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Soluble Reactive Phosphorus (measured as Dissolved Orthophosphate) LOAD ESTIMATES FOR 19770101 TO 19951231 TOTAL NUMBER OF OBS.: 53 NUMBER OF UNCENSORED OBS.: 51 CALIBRATION DATA PERIOD OF RECORD: 1981 TO 1995 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 16276. 1130. 3320. 5670. 10300. 24050. 36780. 71700. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 16013. 1060. 3790. 5890. 10800. 21400. 36000. 104000. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.1303E+00 + 6.0178E-01 LN(FLOW) ESTIMATED RESIDUAL VARIANCE = 0.532 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 48.64 ( 7 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.1074E+00 + 6.0503E-01 LN(FLOW) ESTIMATED RESIDUAL VARIANCE = 0.514 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 3.9574E+00 + 5.3107E-01 LN(FLOW) WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS TWICE THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at Ninniger, MN (CONTINUED) STATION NUMBER: 05331570 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 4.60 6.10 5.10 4.10 3.00 STD DEV LOAD (TON/DAY) 0.55 0.90 0.65 0.46 0.36 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. 4. 6. 8. 10. 12. 15. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 4.30 5.80 4.80 3.90 2.80 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. 4. 6. 8. 9. 12. 15. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 4.20 5.50 4.60 3.80 2.90 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. 4. 5. 7. 8. 10. 12. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 4.2 1 STATION NAME: Mississippi River at Ninniger, MN STATION NUMBER: 05331570 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Total Suspended Sediment LOAD ESTIMATES FOR 19770101 TO 19951231 TOTAL NUMBER OF OBS.: 79 NUMBER OF UNCENSORED OBS.: 79 CALIBRATION DATA PERIOD OF RECORD: 1977 TO 1994 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15597. 1130. 3760. 5560. 9090. 22400. 36600. 71700. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 16013. 1060. 3790. 5890. 10800. 21400. 36000. 104000. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 7.7174E+01 + 1.6245E+00 LN(FLOW) - 5.5446E-01 SIN(DECTIME) - 7.2421E-01 COS(DECTIME) + 3.8485E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.509 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 26.64 ( 12 DF) PROBABILITY LEVEL = 0.009 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 7.7174E+01 + 1.6245E+00 LN(FLOW) - 5.5446E-01 SIN(DECTIME) - 7.2421E-01 COS(DECTIME) + 3.8485E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.509 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 7.6834E+01 + 1.6424E+00 LN(FLOW) - 5.4570E-01 SIN(DECTIME) - 6.7147E-01 COS(DECTIME) + 3.8268E-02 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS TWICE THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. WARNING: MAXIMUM PREDICTED CONCENTRATION EXCEEDS 100000 UG/L 1 STATION: Mississippi River at Ninniger, MN (CONTINUED) STATION NUMBER: 05331570 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 4000. 4600. 8000. 2700. 340. STD DEV LOAD (TON/DAY) 620. 800. 1400. 490. 54. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 18. 41. 80. 134. 169. 249. 402. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 9. 338. 1104. 4507. 10443. 15012. 34769. 107950. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 4300. 5000. 8800. 3000. 370. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 20. 45. 87. 145. 183. 272. 443. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 10. 366. 1194. 4891. 11342. 16334. 38081. 119325. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 4200. 5000. 8500. 3000. 390. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 20. 44. 84. 141. 177. 264. 433. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 10. 370. 1186. 4811. 11180. 16246. 37160. 117117. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 2500. 1 STATION NAME: Mississippi River at Ninniger, MN STATION NUMBER: 05331570 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Dissolved Chloride LOAD ESTIMATES FOR 19770101 TO 19951231 TOTAL NUMBER OF OBS.: 92 NUMBER OF UNCENSORED OBS.: 92 CALIBRATION DATA PERIOD OF RECORD: 1977 TO 1995 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 14884. 2. 3778. 5425. 9080. 19525. 36240. 71700. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 16013. 1060. 3790. 5890. 10800. 21400. 36000. 104000. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 4.2825E+01 + 1.3732E+00 LN(FLOW) - 3.6503E-02 LN(FLOW)**2 + 4.3592E-02 SIN(DECTIME) + 7.5608E-02 COS(DECTIME) + 2.3860E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.043 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 14.64 ( 15 DF) PROBABILITY LEVEL = 0.478 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 4.2825E+01 + 1.3732E+00 LN(FLOW) - 3.6503E-02 LN(FLOW)**2 + 4.3592E-02 SIN(DECTIME) + 7.5608E-02 COS(DECTIME) + 2.3860E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.043 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 4.2987E+01 + 1.3977E+00 LN(FLOW) - 3.8875E-02 LN(FLOW)**2 + 8.5789E-02 SIN(DECTIME) + 6.9939E-02 COS(DECTIME) + 2.3922E-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 Ninniger, MN (CONTINUED) STATION NUMBER: 05331570 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 880. 1200. 930. 770. 580. STD DEV LOAD (TON/DAY) 25. 51. 38. 31. 21. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 10. 20. 25. 30. 36. 39. 42. 45. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 115. 446. 748. 1151. 1683. 1992. 2471. 3219. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 880. 1200. 930. 770. 580. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 10. 20. 25. 30. 36. 39. 42. 45. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 115. 446. 748. 1151. 1684. 1993. 2473. 3226. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 870. 1200. 910. 730. 590. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 10. 19. 25. 30. 36. 40. 44. 46. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 117. 449. 748. 1129. 1660. 1976. 2457. 3083. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 860. 1 STATION NAME: Mississippi River at Ninniger, MN STATION NUMBER: 05331570 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Dissolved Silica (The values represented here are for SiO2. Values for loads and concentrations have been converted to represent elemental Si. Si = 0.46744 * SiO2 ) LOAD ESTIMATES FOR 19770101 TO 19951231 TOTAL NUMBER OF OBS.: 92 NUMBER OF UNCENSORED OBS.: 92 CALIBRATION DATA PERIOD OF RECORD: 1977 TO 1995 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 14884. 2. 3778. 5425. 9080. 19525. 36240. 71700. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 16013. 1060. 3790. 5890. 10800. 21400. 36000. 104000. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 4.1796E+00 + 7.5921E-01 LN(FLOW) + 2.3942E-02 LN(FLOW)**2 - 2.3173E-01 SIN(DECTIME) + 2.7713E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.289 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 51.97 ( 15 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 4.1796E+00 + 7.5921E-01 LN(FLOW) + 2.3942E-02 LN(FLOW)**2 - 2.3173E-01 SIN(DECTIME) + 2.7713E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.289 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 4.2317E+00 + 9.2845E-01 LN(FLOW) + 7.1562E-03 LN(FLOW)**2 - 3.5348E-02 SIN(DECTIME) + 1.0851E-01 COS(DECTIME) WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS TWICE THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at Ninniger, MN (CONTINUED) STATION NUMBER: 05331570 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 560. 790. 590. 570. 280. STD DEV LOAD (TON/DAY) 45. 94. 63. 62. 26. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 10. 12. 14. 17. 18. 20. 22. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 21. 174. 374. 738. 1269. 1714. 2711. 4315. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 540. 770. 570. 560. 270. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 10. 11. 14. 16. 17. 20. 22. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 20. 168. 361. 715. 1231. 1667. 2648. 4233. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 510. 800. 560. 420. 240. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 9. 11. 12. 12. 13. 13. 13. 14. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 28. 181. 348. 668. 1154. 1533. 2276. 3446. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 530.