1 STATION NAME: Mississippi River at Lock and Dam 5 STATION NUMBER: UM-738 DRAINAGE AREA: 58845.0 SQUARE MILES CONSTITUENT: Total Nitrogen LOAD ESTIMATES FOR 19740101 TO 19961231 TOTAL NUMBER OF OBS.: 143 NUMBER OF UNCENSORED OBS.: 143 CALIBRATION DATA PERIOD OF RECORD: 1979 TO 1994 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 41009. 6100. 13580. 20000. 31700. 54100. 80180. 165000. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 34838. 2400. 12000. 16900. 27200. 45200. 69200. 168600. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 2.6546E+01 + 1.4180E+00 LN(FLOW) + 8.9683E-02 SIN(DECTIME) + 1.1372E-01 COS(DECTIME) + 1.2517E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.111 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 30.00 ( 25 DF) PROBABILITY LEVEL = 0.224 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 2.6546E+01 + 1.4180E+00 LN(FLOW) + 8.9683E-02 SIN(DECTIME) + 1.1372E-01 COS(DECTIME) + 1.2517E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.111 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 2.6534E+01 + 1.4322E+00 LN(FLOW) + 1.2741E-01 SIN(DECTIME) + 1.1685E-01 COS(DECTIME) + 1.2431E-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 Lock and Dam 5 (CONTINUED) STATION NUMBER: UM-738 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 310. 570. 280. 230. 140. STD DEV LOAD (TON/DAY) 11. 27. 12. 14. 8. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 3. 3. 4. 4. 5. 6. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 97. 189. 378. 733. 1022. 1592. 2648. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 310. 570. 280. 230. 140. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 3. 3. 4. 4. 5. 6. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 97. 190. 378. 733. 1023. 1596. 2653. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 310. 600. 280. 220. 140. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 3. 3. 4. 5. 5. 6. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 96. 190. 379. 755. 1065. 1641. 2813. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 320. 1 STATION NAME: Mississippi River at Lock and Dam 5 STATION NUMBER: UM-738 DRAINAGE AREA: 58845.0 SQUARE MILES CONSTITUENT: Nitrate + Nitrite LOAD ESTIMATES FOR 19740101 TO 19961231 TOTAL NUMBER OF OBS.: 171 NUMBER OF UNCENSORED OBS.: 171 CALIBRATION DATA PERIOD OF RECORD: 1976 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 38896. 6100. 10920. 18600. 29600. 50600. 77260. 165000. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 34838. 2400. 12000. 16900. 27200. 45200. 69200. 168600. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 9.1900E+01 + 1.1559E+01 LN(FLOW) - 4.6045E-01 LN(FLOW)**2 + 1.3604E-01 SIN(DECTIME) + 6.3622E-01 COS(DECTIME) + 1.7156E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.558 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 44.09 ( 31 DF) PROBABILITY LEVEL = 0.060 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 9.1900E+01 + 1.1559E+01 LN(FLOW) - 4.6045E-01 LN(FLOW)**2 + 1.3604E-01 SIN(DECTIME) + 6.3622E-01 COS(DECTIME) + 1.7156E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.558 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 1.0525E+02 + 7.7739E+00 LN(FLOW) - 2.8307E-01 LN(FLOW)**2 + 1.5285E-01 SIN(DECTIME) + 4.9882E-01 COS(DECTIME) + 3.3977E-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 Lock and Dam 5 (CONTINUED) STATION NUMBER: UM-738 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 230. 430. 140. 200. 140. STD DEV LOAD (TON/DAY) 19. 47. 13. 26. 17. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 3. 4. 4. 5. 6. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 48. 134. 308. 603. 803. 1090. 1690. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 220. 420. 140. 190. 130. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 3. 4. 4. 5. 6. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 47. 130. 299. 587. 782. 1064. 1674. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 210. 410. 150. 170. 110. 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. 5. 6. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 43. 114. 268. 564. 778. 1165. 1818. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 200. 1 STATION NAME: Mississippi River at Lock and Dam 5 STATION NUMBER: UM-738 DRAINAGE AREA: 58845.0 SQUARE MILES CONSTITUENT: Total Ammonia LOAD ESTIMATES FOR 19740101 TO 19961231 TOTAL NUMBER OF OBS.: 198 NUMBER OF UNCENSORED OBS.: 162 CALIBRATION DATA PERIOD OF RECORD: 1974 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 38178. 6100. 12250. 18150. 28100. 49900. 77410. 165000. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 34838. 2400. 12000. 16900. 27200. 45200. 69200. 168600. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.4065E+02 + 9.0398E-01 LN(FLOW) + 4.6435E-01 SIN(DECTIME) + 4.2651E-01 COS(DECTIME) - 7.0538E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.471 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 83.17 ( 36 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.6245E+02 + 8.9578E-01 LN(FLOW) + 4.2822E-01 SIN(DECTIME) + 3.7800E-01 COS(DECTIME) - 8.1439E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.438 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.4930E+02 + 8.9779E-01 LN(FLOW) + 4.8500E-01 SIN(DECTIME) + 3.4334E-01 COS(DECTIME) - 7.4824E-02 DECTIME 1 STATION: Mississippi River at Lock and Dam 5 (CONTINUED) STATION NUMBER: UM-738 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 17. 32. 10. 10. 15. STD DEV LOAD (TON/DAY) 1. 3. 1. 1. 1. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 1. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 7. 12. 20. 34. 48. 84. 148. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 19. 35. 12. 11. 16. 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. 7. 13. 23. 39. 54. 96. 181. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 18. 36. 12. 10. 16. 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. 7. 13. 22. 38. 54. 97. 179. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 15. - 17. 1 STATION NAME: Mississippi River at Lock and Dam 5 STATION NUMBER: UM-738 DRAINAGE AREA: 58845.0 SQUARE MILES CONSTITUENT: Total Phosphorus LOAD ESTIMATES FOR 19740101 TO 19961231 TOTAL NUMBER OF OBS.: 190 NUMBER OF UNCENSORED OBS.: 190 CALIBRATION DATA PERIOD OF RECORD: 1974 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 37220. 6100. 11850. 17925. 27200. 47225. 77330. 165000. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 34838. 2400. 12000. 16900. 27200. 45200. 69200. 168600. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.8766E+01 - 1.0420E+00 LN(FLOW) + 1.0071E-01 LN(FLOW)**2 - 1.2095E-01 SIN(DECTIME) - 2.0599E-01 COS(DECTIME) - 9.3546E-03 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.093 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 36.02 ( 35 DF) PROBABILITY LEVEL = 0.421 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.8766E+01 - 1.0420E+00 LN(FLOW) + 1.0071E-01 LN(FLOW)**2 - 1.2095E-01 SIN(DECTIME) - 2.0599E-01 COS(DECTIME) - 9.3546E-03 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.093 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 2.8765E+01 - 1.0328E+00 LN(FLOW) + 9.8535E-02 LN(FLOW)**2 - 1.3633E-01 SIN(DECTIME) - 2.2670E-01 COS(DECTIME) - 9.3109E-03 DECTIME 1 STATION: Mississippi River at Lock and Dam 5 (CONTINUED) STATION NUMBER: UM-738 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 17. 26. 21. 15. 7. 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 2. 7. 12. 22. 36. 46. 70. 121. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 17. 26. 21. 15. 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 2. 7. 12. 22. 36. 46. 70. 122. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 17. 25. 21. 15. 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 2. 7. 12. 22. 35. 44. 66. 116. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 18. 1 STATION NAME: Mississippi River at Lock and Dam 5 STATION NUMBER: UM-738 DRAINAGE AREA: 58845.0 SQUARE MILES CONSTITUENT: Total Suspended Solids LOAD ESTIMATES FOR 19740101 TO 19961231 TOTAL NUMBER OF OBS.: 190 NUMBER OF UNCENSORED OBS.: 190 CALIBRATION DATA PERIOD OF RECORD: 1974 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 37457. 6100. 11850. 17925. 27250. 48250. 77330. 165000. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 34838. 2400. 12000. 16900. 27200. 45200. 69200. 168600. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 5.3054E+01 - 3.3553E+00 LN(FLOW) + 2.4013E-01 LN(FLOW)**2 - 3.3021E-01 SIN(DECTIME) - 7.6344E-01 COS(DECTIME) - 1.4856E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.292 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 45.36 ( 35 DF) PROBABILITY LEVEL = 0.113 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 5.3054E+01 - 3.3553E+00 LN(FLOW) + 2.4013E-01 LN(FLOW)**2 - 3.3021E-01 SIN(DECTIME) - 7.6344E-01 COS(DECTIME) - 1.4856E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.292 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 4.7348E+01 - 5.0330E+00 LN(FLOW) + 3.2255E-01 LN(FLOW)**2 - 3.2736E-01 SIN(DECTIME) - 8.0818E-01 COS(DECTIME) - 7.7034E-03 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: MAXIMUM PREDICTED CONCENTRATION EXCEEDS 100000 UG/L 1 STATION: Mississippi River at Lock and Dam 5 (CONTINUED) STATION NUMBER: UM-738 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2600. 4200. 4300. 1700. 320. STD DEV LOAD (TON/DAY) 160. 350. 290. 140. 26. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 4. 7. 16. 28. 39. 48. 74. 145. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 50. 390. 1000. 3050. 6903. 9554. 20857. 65612. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2600. 4300. 4300. 1700. 330. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 4. 7. 16. 28. 39. 48. 75. 147. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 53. 392. 1004. 3062. 6917. 9579. 21121. 66877. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2800. 4700. 4700. 1700. 310. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 4. 7. 16. 28. 41. 52. 85. 208. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 75. 385. 970. 3117. 7349. 10724. 24527. 94400. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 2800. 1 STATION NAME: Mississippi River at Lock and Dam 5 STATION NUMBER: UM-738 DRAINAGE AREA: 58845.0 SQUARE MILES CONSTITUENT: Total Chloride LOAD ESTIMATES FOR 19740101 TO 19771231 TOTAL NUMBER OF OBS.: 40 NUMBER OF UNCENSORED OBS.: 40 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 27055. 6300. 7210. 11625. 17950. 27200. 70440. 154000. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 25748. 4400. 7200. 13000. 18200. 29600. 53260. 167000. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 2.0750E+02 + 9.0161E-01 LN(FLOW) + 1.0768E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.095 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 5.50 ( 5 DF) PROBABILITY LEVEL = 0.358 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 2.0750E+02 + 9.0161E-01 LN(FLOW) + 1.0768E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.095 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 2.0775E+02 + 9.7168E-01 LN(FLOW) + 1.0747E-01 DECTIME 1 STATION: Mississippi River at Lock and Dam 5 (CONTINUED) STATION NUMBER: UM-738 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 930. 1500. 880. 760. 620. STD DEV LOAD (TON/DAY) 55. 120. 50. 46. 31. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 10. 13. 14. 17. 18. 18. 19. 19. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 217. 505. 682. 1165. 1767. 2241. 3872. 4841. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 930. 1500. 880. 760. 620. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 10. 13. 14. 17. 18. 18. 19. 19. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 218. 504. 680. 1162. 1766. 2241. 3890. 4873. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 960. 1600. 910. 760. 610. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 11. 13. 14. 16. 17. 17. 18. 18. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 196. 489. 677. 1201. 1896. 2470. 4435. 5671. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 930.