1 STATION NAME: Maquoketa River near confluence with Mississippi River STATION NUMBER: MQ02.1M DRAINAGE AREA: 1856.0 SQUARE MILES CONSTITUENT: Total Nitrogen LOAD ESTIMATES FOR 19930101 TO 19970930 TOTAL NUMBER OF OBS.: 111 NUMBER OF UNCENSORED OBS.: 111 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1628. 370. 520. 664. 1096. 1793. 2863. 20435. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1753. 347. 590. 720. 1109. 1906. 3394. 34894. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.9636E+00 + 1.2162E+00 LN(FLOW) ESTIMATED RESIDUAL VARIANCE = 0.185 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 76.93 ( 19 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.9636E+00 + 1.2162E+00 LN(FLOW) ESTIMATED RESIDUAL VARIANCE = 0.185 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.5241E+00 + 1.2806E+00 LN(FLOW) 1 STATION: Maquoketa River near confluence with Mississippi River (CONTINUED) STATION NUMBER: MQ02.1M LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 38. 49. 59. 20. 23. STD DEV LOAD (TON/DAY) 3. 4. 5. 1. 1. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 6. 7. 7. 8. 9. 11. 14. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 12. 20. 38. 77. 116. 327. 1282. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 38. 48. 58. 19. 22. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 6. 6. 7. 8. 9. 11. 14. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 11. 19. 37. 75. 114. 322. 1280. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 41. 51. 63. 19. 23. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 6. 6. 7. 9. 10. 12. 17. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 4. 11. 19. 38. 81. 125. 373. 1593. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 37. 1 STATION NAME: Maquoketa River near confluence with Mississippi River STATION NUMBER: MQ02.1M DRAINAGE AREA: 1856.0 SQUARE MILES CONSTITUENT: Total Nitrate + Nitrite LOAD ESTIMATES FOR 19930101 TO 19970930 TOTAL NUMBER OF OBS.: 111 NUMBER OF UNCENSORED OBS.: 111 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1639. 370. 537. 681. 1116. 1793. 2863. 20435. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1753. 347. 590. 720. 1109. 1906. 3394. 34894. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.8927E+00 + 1.2142E+00 LN(FLOW) - 1.8937E-02 SIN(DECTIME) + 1.4984E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.148 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 48.91 ( 19 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.8927E+00 + 1.2142E+00 LN(FLOW) - 1.8937E-02 SIN(DECTIME) + 1.4984E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 0.148 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.0835E+00 + 1.3391E+00 LN(FLOW) + 1.8652E-02 SIN(DECTIME) + 2.1328E-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 THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Maquoketa River near confluence with Mississippi River (CONTINUED) STATION NUMBER: MQ02.1M LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 33. 42. 46. 18. 23. STD DEV LOAD (TON/DAY) 2. 3. 4. 1. 2. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 5. 6. 7. 7. 8. 9. 12. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 11. 17. 33. 62. 98. 300. 992. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 33. 42. 46. 18. 23. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 5. 6. 7. 7. 8. 9. 12. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 11. 17. 32. 61. 97. 299. 996. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 38. 49. 52. 18. 27. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 4. 5. 6. 7. 8. 9. 13. 19. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 4. 10. 17. 34. 67. 115. 413. 1433. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 30. 1 STATION NAME: Maquoketa River near confluence with Mississippi River STATION NUMBER: MQ02.1M DRAINAGE AREA: 1856.0 SQUARE MILES CONSTITUENT: Dissolved Ammonia LOAD ESTIMATES FOR 19930101 TO 19970930 TOTAL NUMBER OF OBS.: 114 NUMBER OF UNCENSORED OBS.: 97 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1627. 370. 527. 677. 1128. 1793. 2838. 20435. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1753. 347. 590. 720. 1109. 1906. 3394. 34894. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 1.2309E+03 + 2.2919E+00 LN(FLOW) + 1.3262E+00 SIN(DECTIME) + 1.4212E+00 COS(DECTIME) + 6.1137E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 2.633 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 53.97 ( 19 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 1.1554E+03 + 2.2277E+00 LN(FLOW) + 1.1693E+00 SIN(DECTIME) + 1.3487E+00 COS(DECTIME) + 5.7380E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 2.338 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 1.1546E+03 + 2.3556E+00 LN(FLOW) + 9.9561E-01 SIN(DECTIME) + 1.2899E+00 COS(DECTIME) + 5.7309E-01 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Maquoketa River near confluence with Mississippi River (CONTINUED) STATION NUMBER: MQ02.1M LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 7. 7. 1. 0. 19. STD DEV LOAD (TON/DAY) 5. 3. 0. 0. 15. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 1. 1. 4. 53. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 1. 4. 8. 65. 3206. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 6. 5. 1. 0. 17. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 1. 1. 3. 49. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 1. 3. 6. 46. 2944. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 6. 5. 1. 0. 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. 3. 59. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 1. 3. 6. 51. 3561. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 0.84 1 STATION NAME: Maquoketa River near confluence with Mississippi River STATION NUMBER: MQ02.1M DRAINAGE AREA: 1856.0 SQUARE MILES CONSTITUENT: Total Phosphorus LOAD ESTIMATES FOR 19930101 TO 19970930 TOTAL NUMBER OF OBS.: 104 NUMBER OF UNCENSORED OBS.: 104 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1680. 370. 515. 668. 1142. 1837. 3107. 20435. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1753. 347. 590. 720. 1109. 1906. 3394. 34894. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 4.8305E+02 + 3.9816E+00 LN(FLOW) - 1.4802E-01 LN(FLOW)**2 + 2.3538E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.451 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 32.06 ( 17 DF) PROBABILITY LEVEL = 0.015 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 4.8305E+02 + 3.9816E+00 LN(FLOW) - 1.4802E-01 LN(FLOW)**2 + 2.3538E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.451 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 4.7741E+02 + 5.4036E+00 LN(FLOW) - 2.4022E-01 LN(FLOW)**2 + 2.2979E-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: Maquoketa River near confluence with Mississippi River (CONTINUED) STATION NUMBER: MQ02.1M LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2.40 3.20 3.70 0.84 1.40 STD DEV LOAD (TON/DAY) 0.35 0.40 0.64 0.07 0.32 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 1. 1. 1. 2. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 1. 2. 6. 10. 26. 92. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2.50 3.40 4.00 0.87 1.60 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 1. 1. 1. 2. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 1. 2. 6. 10. 28. 113. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2.50 3.40 3.80 0.91 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. 1. 1. 1. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 1. 2. 6. 11. 23. 75. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 2.5 1 STATION NAME: Maquoketa River near confluence with Mississippi River STATION NUMBER: MQ02.1M DRAINAGE AREA: 1856.0 SQUARE MILES CONSTITUENT: Soluble Reactive Phosphorus LOAD ESTIMATES FOR 19930101 TO 19970930 TOTAL NUMBER OF OBS.: 73 NUMBER OF UNCENSORED OBS.: 67 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1471. 370. 595. 723. 1144. 1524. 2567. 8126. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1753. 347. 590. 720. 1109. 1906. 3394. 34894. WARNING: THE RATIO OF LARGEST PREDICTION DATA SET STEAMFLOW AND LARGEST CALIBRATION DATA SET STREAMFLOW EXCEEDS 2.0 MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 1.2390E+01 + 2.4982E+00 LN(FLOW) - 3.3092E-01 SIN(DECTIME) + 8.3363E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 2.005 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 28.08 ( 11 DF) PROBABILITY LEVEL = 0.003 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 1.1817E+01 + 2.4227E+00 LN(FLOW) - 2.8015E-01 SIN(DECTIME) + 7.7945E-01 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 1.869 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 1.1372E+01 + 2.3710E+00 LN(FLOW) - 6.5622E-02 SIN(DECTIME) + 7.8909E-01 COS(DECTIME) WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Maquoketa River near confluence with Mississippi River (CONTINUED) STATION NUMBER: MQ02.1M LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2.40 2.50 3.60 0.53 2.60 STD DEV LOAD (TON/DAY) 1.40 1.30 2.30 0.21 1.70 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. 5. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 1. 2. 5. 47. 336. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2.50 2.50 3.90 0.48 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. 2. 6. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 1. 2. 5. 49. 408. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2.30 2.60 3.20 0.37 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. 2. 6. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 1. 2. 5. 50. 385. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 0.48 1 STATION NAME: Maquoketa River near confluence with Mississippi River STATION NUMBER: MQ02.1M DRAINAGE AREA: 1856.0 SQUARE MILES CONSTITUENT: Total Suspended Sediment LOAD ESTIMATES FOR 19930101 TO 19970930 TOTAL NUMBER OF OBS.: 111 NUMBER OF UNCENSORED OBS.: 111 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1564. 370. 520. 664. 1096. 1661. 2794. 20435. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1753. 347. 590. 720. 1109. 1906. 3394. 34894. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 7.5319E+02 + 6.7008E+00 LN(FLOW) - 2.9735E-01 LN(FLOW)**2 - 2.5375E-01 SIN(DECTIME) - 4.7228E-01 COS(DECTIME) + 3.6767E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.655 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 24.50 ( 19 DF) PROBABILITY LEVEL = 0.178 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 7.5319E+02 + 6.7008E+00 LN(FLOW) - 2.9735E-01 LN(FLOW)**2 - 2.5375E-01 SIN(DECTIME) - 4.7228E-01 COS(DECTIME) + 3.6767E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.655 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 7.5302E+02 + 6.6785E+00 LN(FLOW) - 3.0111E-01 LN(FLOW)**2 - 3.3487E-01 SIN(DECTIME) - 4.7159E-01 COS(DECTIME) + 3.6771E-01 DECTIME WARNING: MAXIMUM PREDICTED CONCENTRATION EXCEEDS 100000 UG/L 1 STATION: Maquoketa River near confluence with Mississippi River (CONTINUED) STATION NUMBER: MQ02.1M LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1100. 1200. 2400. 310. 390. STD DEV LOAD (TON/DAY) 220. 220. 520. 49. 150. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 43. 77. 188. 340. 446. 784. 1344. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 7. 91. 211. 895. 2919. 5398. 12864. 30158. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1300. 1400. 2900. 350. 500. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 8. 49. 87. 213. 389. 522. 892. 1549. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 8. 103. 238. 1012. 3297. 6341. 15485. 45223. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1200. 1300. 2600. 370. 410. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 8. 52. 93. 209. 361. 467. 818. 1411. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 8. 112. 252. 1011. 3021. 5423. 13308. 33776. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 1600. 1 STATION NAME: Maquoketa River near confluence with Mississippi River STATION NUMBER: MQ02.1M DRAINAGE AREA: 1856.0 SQUARE MILES CONSTITUENT: Dissolved Chloride LOAD ESTIMATES FOR 19930101 TO 19970930 TOTAL NUMBER OF OBS.: 111 NUMBER OF UNCENSORED OBS.: 111 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1653. 370. 520. 681. 1144. 1793. 2863. 20435. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1753. 347. 590. 720. 1109. 1906. 3394. 34894. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 6.2015E+01 + 1.7206E+00 LN(FLOW) - 4.7662E-02 LN(FLOW)**2 + 3.3393E-02 SIN(DECTIME) + 6.1525E-02 COS(DECTIME) + 3.1948E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.031 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 24.17 ( 19 DF) PROBABILITY LEVEL = 0.190 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 6.2015E+01 + 1.7206E+00 LN(FLOW) - 4.7662E-02 LN(FLOW)**2 + 3.3393E-02 SIN(DECTIME) + 6.1525E-02 COS(DECTIME) + 3.1948E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.031 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 6.1811E+01 + 1.6983E+00 LN(FLOW) - 4.4920E-02 LN(FLOW)**2 + 2.6929E-02 SIN(DECTIME) + 4.5994E-02 COS(DECTIME) + 3.1853E-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: Maquoketa River near confluence with Mississippi River (CONTINUED) STATION NUMBER: MQ02.1M LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 71. 93. 93. 44. 49. STD DEV LOAD (TON/DAY) 2. 3. 4. 1. 2. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 9. 15. 16. 16. 17. 17. 18. 18. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 14. 31. 48. 81. 140. 196. 414. 886. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 71. 93. 93. 44. 49. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 10. 15. 16. 16. 17. 17. 18. 18. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 14. 31. 48. 81. 140. 196. 416. 904. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 72. 94. 97. 44. 48. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 11. 15. 16. 16. 17. 17. 18. 18. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 14. 31. 48. 82. 143. 201. 432. 999. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 71. 1 STATION NAME: Maquoketa River near confluence with Mississippi River STATION NUMBER: MQ02.1M DRAINAGE AREA: 1856.0 SQUARE MILES CONSTITUENT: Dissolved Silicon LOAD ESTIMATES FOR 19930101 TO 19970930 TOTAL NUMBER OF OBS.: 111 NUMBER OF UNCENSORED OBS.: 111 CALIBRATION DATA PERIOD OF RECORD: 1993 TO 1997 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1653. 370. 520. 681. 1144. 1793. 2863. 20435. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1753. 347. 590. 720. 1109. 1906. 3394. 34894. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.6124E+02 + 1.0472E+00 LN(FLOW) - 1.1860E-01 SIN(DECTIME) + 1.7440E-01 COS(DECTIME) - 7.9367E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.123 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 53.20 ( 19 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.6124E+02 + 1.0472E+00 LN(FLOW) - 1.1860E-01 SIN(DECTIME) + 1.7440E-01 COS(DECTIME) - 7.9367E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.123 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.6034E+02 + 9.8454E-01 LN(FLOW) - 3.0433E-02 SIN(DECTIME) + 1.5498E-01 COS(DECTIME) - 7.8655E-02 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Maquoketa River near confluence with Mississippi River (CONTINUED) STATION NUMBER: MQ02.1M LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 24. 28. 32. 17. 17. STD DEV LOAD (TON/DAY) 1. 2. 2. 1. 1. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 4. 5. 6. 6. 7. 7. 7. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 4. 9. 14. 25. 44. 67. 179. 521. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 23. 28. 31. 17. 17. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 4. 5. 5. 6. 7. 7. 7. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 4. 9. 14. 25. 44. 66. 178. 522. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 23. 28. 29. 15. 17. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 4. 5. 5. 6. 6. 7. 7. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 9. 14. 25. 42. 63. 168. 428. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 22.