1 STATION NAME: Mississippi River at St. Paul, MN STATION NUMBER: 05331000 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Total Nitrogen LOAD ESTIMATES FOR 19730101 TO 19781231 TOTAL NUMBER OF OBS.: 56 NUMBER OF UNCENSORED OBS.: 56 CALIBRATION DATA PERIOD OF RECORD: 1973 TO 1977 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 10133. 1060. 1697. 4645. 6715. 12875. 24370. 57200. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 10939. 723. 1882. 4800. 6890. 13100. 25780. 78100. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 8.9195E+00 - 7.0778E-01 LN(FLOW) + 1.0913E-01 LN(FLOW)**2 + 2.4488E-01 SIN(DECTIME) - 9.5154E-02 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.187 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 7.19 ( 8 DF) PROBABILITY LEVEL = 0.517 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 8.9195E+00 - 7.0778E-01 LN(FLOW) + 1.0913E-01 LN(FLOW)**2 + 2.4488E-01 SIN(DECTIME) - 9.5154E-02 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.187 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 8.5387E+00 - 6.6945E-01 LN(FLOW) + 1.0945E-01 LN(FLOW)**2 + 2.0778E-01 SIN(DECTIME) - 4.9944E-02 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 St. Paul, MN (CONTINUED) STATION NUMBER: 05331000 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 100. 250. 100. 37. 32. STD DEV LOAD (TON/DAY) 12. 39. 11. 4. 3. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 2. 3. 4. 5. 6. 8. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 4. 25. 38. 92. 282. 434. 873. 1790. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 110. 250. 100. 37. 33. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 2. 3. 4. 5. 7. 9. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 4. 25. 39. 93. 285. 440. 904. 1901. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 110. 260. 100. 40. 34. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 2. 3. 4. 5. 7. 10. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 25. 39. 95. 291. 453. 966. 2017. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 100. 1 STATION NAME: Mississippi River at St. Paul, MN STATION NUMBER: 05331000 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Total Nitrate + Nitrite LOAD ESTIMATES FOR 19730101 TO 19781231 TOTAL NUMBER OF OBS.: 58 NUMBER OF UNCENSORED OBS.: 51 CALIBRATION DATA PERIOD OF RECORD: 1973 TO 1977 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 9891. 1060. 1699. 4333. 6475. 12025. 24190. 57200. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 10939. 723. 1882. 4800. 6890. 13100. 25780. 78100. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.2288E+01 - 2.2805E+00 LN(FLOW) + 2.2279E-01 LN(FLOW)**2 + 4.7184E-01 SIN(DECTIME) + 4.2186E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 1.540 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 34.07 ( 8 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.2577E+01 - 2.2625E+00 LN(FLOW) + 2.1795E-01 LN(FLOW)**2 + 4.6280E-01 SIN(DECTIME) + 3.4839E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 1.416 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.2664E+01 - 2.1286E+00 LN(FLOW) + 2.0358E-01 LN(FLOW)**2 + 6.0520E-01 SIN(DECTIME) + 3.7850E-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. WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS TWICE THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at St. Paul, MN (CONTINUED) STATION NUMBER: 05331000 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 78. 230. 43. 16. 19. STD DEV LOAD (TON/DAY) 32. 110. 15. 6. 6. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 1. 1. 3. 4. 9. 11. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 7. 17. 46. 179. 354. 1284. 2332. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 82. 250. 45. 17. 19. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 1. 1. 3. 4. 10. 15. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 7. 17. 45. 181. 359. 1374. 3105. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 74. 220. 38. 14. 20. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 1. 2. 3. 4. 8. 12. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 7. 18. 47. 167. 327. 1206. 2422. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 48. 1 STATION NAME: Mississippi River at St. Paul, MN STATION NUMBER: 05331000 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Dissolved Ammonia LOAD ESTIMATES FOR 19730101 TO 19781231 TOTAL NUMBER OF OBS.: 40 NUMBER OF UNCENSORED OBS.: 38 CALIBRATION DATA PERIOD OF RECORD: 1973 TO 1976 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 10620. 1060. 1600. 4658. 6355. 13750. 25540. 57200. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 10939. 723. 1882. 4800. 6890. 13100. 25780. 78100. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.9100E+00 + 5.1419E-01 LN(FLOW) + 4.9667E-01 SIN(DECTIME) + 7.6164E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.719 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 6.95 ( 5 DF) PROBABILITY LEVEL = 0.224 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.7205E+00 + 5.3799E-01 LN(FLOW) + 4.8198E-01 SIN(DECTIME) + 7.2833E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.693 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 4.2569E+00 + 4.7782E-01 LN(FLOW) + 4.4844E-01 SIN(DECTIME) + 7.9309E-01 COS(DECTIME) 1 STATION: Mississippi River at St. Paul, MN (CONTINUED) STATION NUMBER: 05331000 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 4.40 6.90 1.80 2.60 6.30 STD DEV LOAD (TON/DAY) 0.73 1.60 0.45 0.63 1.40 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 1. 1. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 2. 4. 7. 8. 10. 12. 17. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 4.50 7.10 2.00 2.70 6.20 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 1. 1. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 2. 4. 7. 8. 10. 13. 18. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 4.40 6.50 1.80 2.80 6.60 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 1. 1. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 4. 7. 8. 9. 11. 16. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 4.8 1 STATION NAME: Mississippi River at St. Paul, MN STATION NUMBER: 05331000 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Total Phosphorus LOAD ESTIMATES FOR 19730101 TO 19781231 TOTAL NUMBER OF OBS.: 37 NUMBER OF UNCENSORED OBS.: 37 CALIBRATION DATA PERIOD OF RECORD: 1973 TO 1977 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 7796. 1060. 1512. 2290. 5650. 8003. 16260. 57200. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 10939. 723. 1882. 4800. 6890. 13100. 25780. 78100. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 5.4535E+02 - 1.3126E+00 LN(FLOW) + 1.3427E-01 LN(FLOW)**2 + 2.8090E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.204 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 2.31 ( 4 DF) PROBABILITY LEVEL = 0.679 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 5.4535E+02 - 1.3126E+00 LN(FLOW) + 1.3427E-01 LN(FLOW)**2 + 2.8090E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.204 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 5.4730E+02 - 9.4236E-01 LN(FLOW) + 1.1331E-01 LN(FLOW)**2 + 2.8109E-01 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS TWICE THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at St. Paul, MN (CONTINUED) STATION NUMBER: 05331000 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 6. 11. 7. 4. 3. STD DEV LOAD (TON/DAY) 1. 2. 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. 2. 3. 7. 15. 22. 47. 65. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 6. 12. 7. 4. 3. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 0. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 3. 7. 16. 22. 49. 71. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 6. 11. 7. 4. 3. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 0. 0. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 3. 7. 15. 22. 47. 64. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 5.8 1 STATION NAME: Mississippi River at St. Paul, MN STATION NUMBER: 05331000 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Soluble Reactive Phosphorus (measured as Dissolved Orthophosphate) LOAD ESTIMATES FOR 19730101 TO 19781231 TOTAL NUMBER OF OBS.: 0 NUMBER OF UNCENSORED OBS.: 0 CALIBRATION DATA PERIOD OF RECORD: 1973 TO 1977 INSUFFICIENT DATA FOR ANALYSIS 1 STATION NAME: Mississippi River at St. Paul, MN STATION NUMBER: 05331000 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Total Suspended Sediment LOAD ESTIMATES FOR 19730101 TO 19781231 TOTAL NUMBER OF OBS.: 44 NUMBER OF UNCENSORED OBS.: 44 CALIBRATION DATA PERIOD OF RECORD: 1974 TO 1977 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 9011. 1060. 1640. 3005. 5925. 9351. 20550. 77400. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 10939. 723. 1882. 4800. 6890. 13100. 25780. 78100. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 1.1302E+03 + 1.3065E+00 LN(FLOW) + 3.0535E-01 SIN(DECTIME) - 3.7471E-01 COS(DECTIME) + 5.7348E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.494 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 9.63 ( 5 DF) PROBABILITY LEVEL = 0.087 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 1.1302E+03 + 1.3065E+00 LN(FLOW) + 3.0535E-01 SIN(DECTIME) - 3.7471E-01 COS(DECTIME) + 5.7348E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.494 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 1.1296E+03 + 1.2215E+00 LN(FLOW) + 2.1877E-01 SIN(DECTIME) - 2.6251E-01 COS(DECTIME) + 5.7357E-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. 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 St. Paul, MN (CONTINUED) STATION NUMBER: 05331000 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 4800. 9500. 6300. 2000. 1100. STD DEV LOAD (TON/DAY) 1300. 2800. 1900. 730. 300. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 9. 33. 65. 162. 254. 534. 624. 638. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 73. 411. 1236. 4042. 11548. 27382. 53332. 66490. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 5000. 9900. 6600. 2200. 1100. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 9. 34. 66. 166. 264. 569. 665. 681. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 74. 412. 1235. 4145. 12192. 28424. 56886. 71912. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 4300. 8000. 5600. 2300. 1300. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 10. 30. 65. 173. 285. 471. 527. 538. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 94. 437. 1182. 4127. 10617. 23637. 44582. 56265. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 3300. 1 STATION NAME: Mississippi River at St. Paul, MN STATION NUMBER: 05331000 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Dissolved Chloride LOAD ESTIMATES FOR 19730101 TO 19781231 TOTAL NUMBER OF OBS.: 58 NUMBER OF UNCENSORED OBS.: 58 CALIBRATION DATA PERIOD OF RECORD: 1973 TO 1977 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 9891. 1060. 1699. 4333. 6475. 12025. 24190. 57200. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 10939. 723. 1882. 4800. 6890. 13100. 25780. 78100. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 7.9855E+00 + 5.8848E-01 LN(FLOW) + 2.6254E-01 SIN(DECTIME) - 5.8245E-02 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.079 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 14.02 ( 8 DF) PROBABILITY LEVEL = 0.081 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 7.9855E+00 + 5.8848E-01 LN(FLOW) + 2.6254E-01 SIN(DECTIME) - 5.8245E-02 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.079 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 7.8528E+00 + 5.9893E-01 LN(FLOW) + 2.6482E-01 SIN(DECTIME) - 9.2976E-02 COS(DECTIME) 1 STATION: Mississippi River at St. Paul, MN (CONTINUED) STATION NUMBER: 05331000 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 350. 600. 350. 210. 240. STD DEV LOAD (TON/DAY) 16. 40. 22. 14. 15. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 11. 14. 18. 23. 25. 30. 32. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 60. 206. 272. 422. 722. 862. 1150. 1483. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 350. 610. 350. 210. 240. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 11. 14. 18. 23. 25. 30. 32. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 60. 206. 272. 422. 723. 862. 1152. 1488. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 360. 620. 360. 210. 240. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 11. 14. 18. 23. 25. 29. 31. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 60. 204. 268. 424. 744. 889. 1192. 1556. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 370. 1 STATION NAME: Mississippi River at St. Paul, MN STATION NUMBER: 05331000 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 19730101 TO 19781231 TOTAL NUMBER OF OBS.: 41 NUMBER OF UNCENSORED OBS.: 41 CALIBRATION DATA PERIOD OF RECORD: 1973 TO 1977 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 8833. 1060. 1610. 2935. 5920. 9800. 20580. 57200. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 10939. 723. 1882. 4800. 6890. 13100. 25780. 78100. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.0247E+02 + 1.0062E+00 LN(FLOW) - 1.5118E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.214 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 9.46 ( 5 DF) PROBABILITY LEVEL = 0.092 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.0247E+02 + 1.0062E+00 LN(FLOW) - 1.5118E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.214 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 3.0295E+02 + 1.0311E+00 LN(FLOW) - 1.5146E-01 DECTIME 1 STATION: Mississippi River at St. Paul, MN (CONTINUED) STATION NUMBER: 05331000 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 290. 530. 280. 180. 150. STD DEV LOAD (TON/DAY) 32. 73. 31. 15. 14. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 7. 9. 11. 13. 14. 14. 14. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 16. 105. 171. 316. 721. 944. 1662. 2091. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 290. 520. 280. 180. 150. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 7. 9. 11. 13. 13. 14. 14. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 15. 104. 170. 316. 716. 939. 1664. 2102. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 290. 550. 290. 180. 150. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 7. 9. 11. 13. 14. 14. 15. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 15. 103. 171. 323. 743. 979. 1766. 2245. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 290.