1 STATION NAME: Root River at MN-26 Bridge STATION NUMBER: RT-3 DRAINAGE AREA: 1660.0 SQUARE MILES CONSTITUENT: Total Nitrogen LOAD ESTIMATES FOR 19670101 TO 19961231 TOTAL NUMBER OF OBS.: 133 NUMBER OF UNCENSORED OBS.: 133 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 1315. 221. 414. 644. 946. 1574. 2611. 7180. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1121. 178. 388. 507. 774. 1216. 2131. 23789. 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) = - 1.9096E+01 + 2.5018E+00 LN(FLOW) - 7.3301E-02 LN(FLOW)**2 + 2.3108E-02 SIN(DECTIME) + 1.1754E-01 COS(DECTIME) + 7.7007E-03 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.044 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 18.78 ( 23 DF) PROBABILITY LEVEL = 0.714 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 1.9096E+01 + 2.5018E+00 LN(FLOW) - 7.3301E-02 LN(FLOW)**2 + 2.3108E-02 SIN(DECTIME) + 1.1754E-01 COS(DECTIME) + 7.7007E-03 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.044 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 1.9153E+01 + 2.5109E+00 LN(FLOW) - 7.2262E-02 LN(FLOW)**2 + 4.7342E-02 SIN(DECTIME) + 1.3356E-01 COS(DECTIME) + 7.6767E-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. 1 STATION: Root River at MN-26 Bridge (CONTINUED) STATION NUMBER: RT-3 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 15. 26. 14. 10. 8. STD DEV LOAD (TON/DAY) 1. 1. 1. 0. 0. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 3. 4. 4. 6. 6. 8. 10. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 4. 7. 14. 31. 51. 136. 563. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 15. 27. 14. 10. 8. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 3. 4. 4. 6. 6. 8. 10. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 4. 7. 14. 31. 51. 136. 583. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 15. 28. 14. 10. 8. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 3. 4. 4. 6. 7. 8. 11. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 4. 7. 14. 32. 53. 142. 654. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 15. 1 STATION NAME: Root River at MN-26 Bridge STATION NUMBER: RT-3 DRAINAGE AREA: 1660.0 SQUARE MILES CONSTITUENT: Nitrate + Nitrite LOAD ESTIMATES FOR 19670101 TO 19961231 TOTAL NUMBER OF OBS.: 160 NUMBER OF UNCENSORED OBS.: 160 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 1208. 221. 413. 570. 857. 1500. 2435. 7180. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1121. 178. 388. 507. 774. 1216. 2131. 23789. 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) = - 8.0490E+01 + 4.7940E+00 LN(FLOW) - 2.2833E-01 LN(FLOW)**2 - 1.7057E-02 SIN(DECTIME) + 3.2484E-01 COS(DECTIME) + 3.4258E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.213 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 72.48 ( 29 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 8.0490E+01 + 4.7940E+00 LN(FLOW) - 2.2833E-01 LN(FLOW)**2 - 1.7057E-02 SIN(DECTIME) + 3.2484E-01 COS(DECTIME) + 3.4258E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.213 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 6.9433E+01 + 2.3994E+00 LN(FLOW) - 5.8359E-02 LN(FLOW)**2 + 4.6723E-03 SIN(DECTIME) + 3.1438E-01 COS(DECTIME) + 3.2922E-02 DECTIME 1 STATION: Root River at MN-26 Bridge (CONTINUED) STATION NUMBER: RT-3 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 11. 18. 9. 9. 7. STD DEV LOAD (TON/DAY) 1. 2. 1. 1. 1. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 3. 4. 5. 6. 7. 9. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 2. 6. 12. 26. 41. 82. 188. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 11. 18. 9. 9. 7. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 3. 4. 5. 6. 7. 9. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 2. 6. 12. 25. 40. 81. 203. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 12. 22. 10. 9. 7. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 2. 4. 5. 6. 8. 14. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 5. 11. 25. 43. 128. 713. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 11. 1 STATION NAME: Root River at MN-26 Bridge STATION NUMBER: RT-3 DRAINAGE AREA: 1660.0 SQUARE MILES CONSTITUENT: Total Ammonia LOAD ESTIMATES FOR 19670101 TO 19961231 TOTAL NUMBER OF OBS.: 257 NUMBER OF UNCENSORED OBS.: 132 CALIBRATION DATA PERIOD OF RECORD: 1967 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1112. 221. 404. 524. 779. 1254. 2248. 7450. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1121. 178. 388. 507. 774. 1216. 2131. 23789. 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) = + 1.4498E+02 + 1.2733E+00 LN(FLOW) + 2.9781E-01 SIN(DECTIME) + 2.6698E-01 COS(DECTIME) - 7.4663E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.701 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 106.74 ( 48 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.7791E+02 + 1.2331E+00 LN(FLOW) + 2.2290E-01 SIN(DECTIME) + 2.3999E-01 COS(DECTIME) - 9.0986E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.645 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.9072E+02 + 1.1825E+00 LN(FLOW) + 1.5549E-01 SIN(DECTIME) + 1.5135E-01 COS(DECTIME) - 9.7266E-02 DECTIME 1 STATION: Root River at MN-26 Bridge (CONTINUED) STATION NUMBER: RT-3 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.37 0.77 0.27 0.20 0.24 STD DEV LOAD (TON/DAY) 0.04 0.10 0.03 0.02 0.02 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 0. 0. 0. 0. 1. 1. 4. 35. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.58 1.10 0.45 0.34 0.38 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 0. 0. 0. 1. 1. 2. 5. 58. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.58 1.10 0.50 0.36 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. 1. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 1. 1. 2. 5. 52. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 0.22 - 0.41 1 STATION NAME: Root River at MN-26 Bridge STATION NUMBER: RT-3 DRAINAGE AREA: 1660.0 SQUARE MILES CONSTITUENT: Total Phosphorus LOAD ESTIMATES FOR 19670101 TO 19961231 TOTAL NUMBER OF OBS.: 245 NUMBER OF UNCENSORED OBS.: 242 CALIBRATION DATA PERIOD OF RECORD: 1967 TO 1994 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1098. 221. 400. 515. 776. 1254. 2274. 7450. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1121. 178. 388. 507. 774. 1216. 2131. 23789. 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) = + 6.7681E+01 - 4.7655E-01 LN(FLOW) + 1.4153E-01 LN(FLOW)**2 + 9.4970E-02 SIN(DECTIME) - 3.9045E-01 COS(DECTIME) - 3.2513E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.361 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 104.13 ( 46 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 6.6831E+01 - 4.5903E-01 LN(FLOW) + 1.4019E-01 LN(FLOW)**2 + 9.3022E-02 SIN(DECTIME) - 3.8770E-01 COS(DECTIME) - 3.2111E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.357 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 6.7174E+01 - 5.1054E-01 LN(FLOW) + 1.4119E-01 LN(FLOW)**2 - 2.0325E-02 SIN(DECTIME) - 4.7207E-01 COS(DECTIME) - 3.2133E-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. WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS TWICE THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Root River at MN-26 Bridge (CONTINUED) STATION NUMBER: RT-3 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1.20 2.30 1.50 0.50 0.28 STD DEV LOAD (TON/DAY) 0.19 0.45 0.24 0.06 0.02 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. 4. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 1. 2. 3. 14. 222. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1.20 2.40 1.50 0.52 0.29 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. 3. 14. 258. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1.10 2.10 1.60 0.55 0.25 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. 3. 13. 245. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 0.91 1 STATION NAME: Root River at MN-26 Bridge STATION NUMBER: RT-3 DRAINAGE AREA: 1660.0 SQUARE MILES CONSTITUENT: Total Suspended Solids LOAD ESTIMATES FOR 19670101 TO 19961231 TOTAL NUMBER OF OBS.: 247 NUMBER OF UNCENSORED OBS.: 247 CALIBRATION DATA PERIOD OF RECORD: 1967 TO 1994 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1124. 221. 400. 519. 782. 1296. 2353. 7450. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 1121. 178. 388. 507. 774. 1216. 2131. 23789. 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) = + 2.4622E+01 + 1.9886E+00 LN(FLOW) - 1.3530E-01 SIN(DECTIME) - 9.8541E-01 COS(DECTIME) - 1.2987E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.676 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 72.00 ( 46 DF) PROBABILITY LEVEL = 0.008 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.4622E+01 + 1.9886E+00 LN(FLOW) - 1.3530E-01 SIN(DECTIME) - 9.8541E-01 COS(DECTIME) - 1.2987E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.676 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 2.3283E+01 + 1.8396E+00 LN(FLOW) - 1.2954E-01 SIN(DECTIME) - 1.0541E+00 COS(DECTIME) - 1.1808E-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. WARNING: MAXIMUM PREDICTED CONCENTRATION EXCEEDS 100000 UG/L 1 STATION: Root River at MN-26 Bridge (CONTINUED) STATION NUMBER: RT-3 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 790. 1300. 1500. 300. 73. STD DEV LOAD (TON/DAY) 110. 190. 220. 45. 9. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 27. 69. 151. 257. 351. 725. 4047. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 43. 139. 458. 1310. 2548. 11258. 212596. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 920. 1500. 1800. 340. 84. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 31. 79. 173. 295. 405. 839. 4795. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 49. 160. 526. 1506. 2940. 13059. 251864. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 770. 1200. 1500. 290. 74. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 7. 31. 83. 176. 284. 372. 705. 3244. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 52. 170. 527. 1392. 2587. 10058. 170389. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 770. 1 STATION NAME: Root River at MN-26 Bridge STATION NUMBER: RT-3 DRAINAGE AREA: 1660.0 SQUARE MILES CONSTITUENT: Total Chloride LOAD ESTIMATES FOR 19670101 TO 19771231 TOTAL NUMBER OF OBS.: 109 NUMBER OF UNCENSORED OBS.: 109 CALIBRATION DATA PERIOD OF RECORD: 1967 TO 1977 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 911. 306. 393. 461. 640. 995. 1752. 7450. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 954. 295. 379. 451. 622. 1011. 1738. 23789. 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) = - 3.1100E+00 + 2.7571E+00 LN(FLOW) - 1.0906E-01 LN(FLOW)**2 ESTIMATED RESIDUAL VARIANCE = 0.083 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 37.59 ( 18 DF) PROBABILITY LEVEL = 0.004 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 3.1100E+00 + 2.7571E+00 LN(FLOW) - 1.0906E-01 LN(FLOW)**2 ESTIMATED RESIDUAL VARIANCE = 0.083 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 3.3750E+00 + 2.8341E+00 LN(FLOW) - 1.1522E-01 LN(FLOW)**2 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: Root River at MN-26 Bridge (CONTINUED) STATION NUMBER: RT-3 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 22. 38. 22. 16. 12. STD DEV LOAD (TON/DAY) 1. 3. 1. 1. 0. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 7. 8. 9. 10. 10. 10. 10. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 4. 8. 13. 24. 46. 67. 153. 364. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 22. 38. 23. 16. 12. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 7. 8. 9. 10. 10. 10. 10. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 4. 8. 13. 24. 46. 68. 155. 420. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 22. 37. 22. 16. 12. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 7. 8. 9. 10. 10. 10. 10. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 4. 8. 13. 24. 46. 67. 150. 385. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 22.