1 STATION NAME: Mississippi River at Reno Spillway near Lock and Dam 8 STATION NUMBER: M681.3B DRAINAGE AREA: 64770.0 SQUARE MILES CONSTITUENT: Total Nitrogen LOAD ESTIMATES FOR 19930101 TO 19971231 TOTAL NUMBER OF OBS.: 113 NUMBER OF UNCENSORED OBS.: 112 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 571. 200. 200. 200. 200. 200. 200. 26782. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 953. 200. 200. 200. 200. 200. 200. 49733. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.3325E+02 + 1.0387E+00 LN(FLOW) - 1.6583E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.347 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 76.52 ( 19 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.3243E+02 + 1.0386E+00 LN(FLOW) - 1.6541E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.344 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 2.3469E+02 + 1.0611E+00 LN(FLOW) - 1.1647E-01 DECTIME 1 STATION: Mississippi River at Reno Spillway near Lock and Dam 8 (CONTINUED) STATION NUMBER: M681.3B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 9. 12. 19. 2. 2. STD DEV LOAD (TON/DAY) 3. 4. 7. 0. 0. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 2. 3. 3. 4. 4. 4. 5. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 1. 2. 2. 2. 3. 283. 517. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 8. 12. 19. 2. 2. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 2. 3. 3. 4. 4. 4. 4. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 1. 1. 2. 2. 3. 290. 524. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 9. 13. 19. 2. 1. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 2. 3. 3. 3. 3. 4. 5. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 1. 1. 2. 2. 3. 316. 529. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 10. 1 STATION NAME: Mississippi River at Reno Spillway near Lock and Dam 8 STATION NUMBER: M681.3B DRAINAGE AREA: 64770.0 SQUARE MILES CONSTITUENT: Total Nitrate + Nitrite LOAD ESTIMATES FOR 19930101 TO 19971231 TOTAL NUMBER OF OBS.: 118 NUMBER OF UNCENSORED OBS.: 116 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 973. 200. 200. 200. 200. 200. 200. 49553. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 953. 200. 200. 200. 200. 200. 200. 49733. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.6435E+02 - 1.7003E+00 LN(FLOW) + 1.8177E-01 LN(FLOW)**2 + 3.1767E-01 SIN(DECTIME) + 1.9979E-01 COS(DECTIME) - 1.7690E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.675 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 83.27 ( 20 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.6141E+02 - 1.6271E+00 LN(FLOW) + 1.7707E-01 LN(FLOW)**2 + 3.1445E-01 SIN(DECTIME) + 1.9929E-01 COS(DECTIME) - 1.7556E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.664 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 3.6165E+02 - 1.5475E+00 LN(FLOW) + 1.7125E-01 LN(FLOW)**2 + 1.5803E-01 SIN(DECTIME) + 1.1168E-01 COS(DECTIME) - 1.7575E-01 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at Reno Spillway near Lock and Dam 8 (CONTINUED) STATION NUMBER: M681.3B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 10. 18. 18. 1. 2. STD DEV LOAD (TON/DAY) 4. 9. 9. 0. 0. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 2. 2. 3. 4. 4. 5. 7. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 1. 1. 2. 2. 3. 398. 794. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 10. 18. 18. 1. 1. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 1. 2. 3. 3. 4. 5. 7. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 1. 1. 2. 2. 393. 851. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 9. 15. 19. 1. 1. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 1. 2. 2. 3. 3. 4. 7. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 1. 1. 1. 2. 2. 363. 783. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 7.4 1 STATION NAME: Mississippi River at Reno Spillway near Lock and Dam 8 STATION NUMBER: M681.3B DRAINAGE AREA: 64770.0 SQUARE MILES CONSTITUENT: Dissolved Ammonia LOAD ESTIMATES FOR 19930101 TO 19971231 TOTAL NUMBER OF OBS.: 118 NUMBER OF UNCENSORED OBS.: 114 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 973. 200. 200. 200. 200. 200. 200. 49553. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 953. 200. 200. 200. 200. 200. 200. 49733. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 7.1929E+02 + 1.2197E+00 LN(FLOW) + 6.2557E-01 SIN(DECTIME) + 6.9527E-02 COS(DECTIME) + 3.5906E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.516 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 30.49 ( 20 DF) PROBABILITY LEVEL = 0.062 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 6.9715E+02 + 1.2175E+00 LN(FLOW) + 6.1314E-01 SIN(DECTIME) + 8.8863E-02 COS(DECTIME) + 3.4798E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.473 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 6.9685E+02 + 1.0922E+00 LN(FLOW) + 5.4055E-01 SIN(DECTIME) + 2.9376E-01 COS(DECTIME) + 3.4825E-01 DECTIME 1 STATION: Mississippi River at Reno Spillway near Lock and Dam 8 (CONTINUED) STATION NUMBER: M681.3B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.73 2.40 0.36 0.04 0.06 STD DEV LOAD (TON/DAY) 0.43 1.50 0.20 0.01 0.01 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. 0. 0. 0. 16. 90. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.82 2.80 0.41 0.04 0.05 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. 0. 0. 0. 16. 106. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.41 1.30 0.20 0.04 0.06 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 0. 0. 0. 0. 0. 0. 8. 48. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 0.35 1 STATION NAME: Mississippi River at Reno Spillway near Lock and Dam 8 STATION NUMBER: M681.3B DRAINAGE AREA: 64770.0 SQUARE MILES CONSTITUENT: Total Phosphorus LOAD ESTIMATES FOR 19930101 TO 19971231 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 603. 200. 200. 200. 200. 200. 200. 26782. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 953. 200. 200. 200. 200. 200. 200. 49733. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.8752E+02 + 1.0524E+00 LN(FLOW) - 1.4955E-01 SIN(DECTIME) - 4.0532E-01 COS(DECTIME) - 9.4354E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.153 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 26.23 ( 17 DF) PROBABILITY LEVEL = 0.070 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.8752E+02 + 1.0524E+00 LN(FLOW) - 1.4955E-01 SIN(DECTIME) - 4.0532E-01 COS(DECTIME) - 9.4354E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.153 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.8760E+02 + 1.0451E+00 LN(FLOW) - 2.3642E-01 SIN(DECTIME) - 4.8200E-01 COS(DECTIME) - 9.4402E-02 DECTIME 1 STATION: Mississippi River at Reno Spillway near Lock and Dam 8 (CONTINUED) STATION NUMBER: M681.3B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.48 0.58 1.20 0.09 0.05 STD DEV LOAD (TON/DAY) 0.11 0.15 0.29 0.01 0.00 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 0. 0. 0. 0. 0. 0. 16. 33. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.50 0.61 1.20 0.09 0.05 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 0. 0. 0. 0. 0. 0. 17. 35. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.50 0.56 1.30 0.09 0.04 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 0. 0. 0. 0. 0. 0. 16. 36. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 0.56 1 STATION NAME: Mississippi River at Reno Spillway near Lock and Dam 8 STATION NUMBER: M681.3B DRAINAGE AREA: 64770.0 SQUARE MILES CONSTITUENT: Soluble Reactive Phosphorus LOAD ESTIMATES FOR 19930101 TO 19971231 TOTAL NUMBER OF OBS.: 114 NUMBER OF UNCENSORED OBS.: 107 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 567. 200. 200. 200. 200. 200. 200. 26782. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 953. 200. 200. 200. 200. 200. 200. 49733. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 5.5710E+02 - 4.7197E+00 LN(FLOW) + 3.9661E-01 LN(FLOW)**2 - 4.9084E-01 SIN(DECTIME) + 1.2572E-01 COS(DECTIME) - 2.7047E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.407 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 41.06 ( 19 DF) PROBABILITY LEVEL = 0.002 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 5.2252E+02 - 4.2142E+00 LN(FLOW) + 3.6318E-01 LN(FLOW)**2 - 4.7645E-01 SIN(DECTIME) + 1.2568E-01 COS(DECTIME) - 2.5400E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.333 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 5.2663E+02 - 2.7342E+00 LN(FLOW) + 2.7018E-01 LN(FLOW)**2 - 5.2601E-01 SIN(DECTIME) - 1.3984E-02 COS(DECTIME) - 2.5858E-01 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at Reno Spillway near Lock and Dam 8 (CONTINUED) STATION NUMBER: M681.3B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 0.74 0.63 2.20 0.05 0.04 STD DEV LOAD (TON/DAY) 0.62 0.56 1.90 0.01 0.01 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. 0. 0. 26. 110. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1.30 1.40 3.50 0.05 0.03 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. 2. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 43. 204. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 1.40 1.30 4.20 0.05 0.03 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. 2. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 54. 224. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 0.31 1 STATION NAME: Mississippi River at Reno Spillway near Lock and Dam 8 STATION NUMBER: M681.3B DRAINAGE AREA: 64770.0 SQUARE MILES CONSTITUENT: Total Suspended Sediment LOAD ESTIMATES FOR 19930101 TO 19971231 TOTAL NUMBER OF OBS.: 115 NUMBER OF UNCENSORED OBS.: 115 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 993. 200. 200. 200. 200. 200. 200. 49553. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 953. 200. 200. 200. 200. 200. 200. 49733. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.9129E+02 + 1.0497E+00 LN(FLOW) - 4.2127E-01 SIN(DECTIME) - 1.3403E+00 COS(DECTIME) - 1.4395E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.498 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 23.17 ( 20 DF) PROBABILITY LEVEL = 0.280 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 2.9129E+02 + 1.0497E+00 LN(FLOW) - 4.2127E-01 SIN(DECTIME) - 1.3403E+00 COS(DECTIME) - 1.4395E-01 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.498 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 2.9199E+02 + 9.5410E-01 LN(FLOW) - 4.5284E-01 SIN(DECTIME) - 1.4040E+00 COS(DECTIME) - 1.4408E-01 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. WARNING: MAXIMUM PREDICTED CONCENTRATION EXCEEDS 100000 UG/L 1 STATION: Mississippi River at Reno Spillway near Lock and Dam 8 (CONTINUED) STATION NUMBER: M681.3B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 140. 75. 450. 15. 3. STD DEV LOAD (TON/DAY) 46. 25. 160. 2. 0. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 7. 18. 46. 67. 78. 107. 110. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 4. 10. 27. 38. 50. 4143. 12206. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 150. 83. 490. 16. 3. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 7. 18. 48. 69. 81. 118. 120. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 4. 11. 28. 40. 51. 4485. 13648. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 110. 57. 350. 16. 3. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 7. 18. 51. 74. 84. 97. 106. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 4. 11. 30. 43. 56. 3267. 8869. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 95. 1 STATION NAME: Mississippi River at Reno Spillway near Lock and Dam 8 STATION NUMBER: M681.3B DRAINAGE AREA: 64770.0 SQUARE MILES CONSTITUENT: Dissolved Chloride LOAD ESTIMATES FOR 19930101 TO 19971231 TOTAL NUMBER OF OBS.: 111 NUMBER OF UNCENSORED OBS.: 110 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 575. 200. 200. 200. 200. 200. 200. 26782. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 953. 200. 200. 200. 200. 200. 200. 49733. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 4.4618E+00 + 9.5399E-01 LN(FLOW) ESTIMATED RESIDUAL VARIANCE = 0.526 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 213.25 ( 19 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 4.4635E+00 + 9.5380E-01 LN(FLOW) ESTIMATED RESIDUAL VARIANCE = 0.521 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 4.5751E+00 + 9.4955E-01 LN(FLOW) 1 STATION: Mississippi River at Reno Spillway near Lock and Dam 8 (CONTINUED) STATION NUMBER: M681.3B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 32. 55. 54. 10. 9. STD DEV LOAD (TON/DAY) 11. 22. 21. 1. 1. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 11. 16. 16. 16. 16. 16. 16. 16. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 9. 9. 9. 9. 9. 19. 964. 1455. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 30. 52. 50. 9. 7. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 11. 14. 14. 14. 14. 14. 14. 14. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 7. 7. 7. 7. 7. 16. 923. 1428. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 29. 51. 49. 9. 7. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 10. 14. 14. 14. 14. 14. 14. 14. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 7. 7. 7. 7. 7. 16. 903. 1396. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 30. 1 STATION NAME: Mississippi River at Reno Spillway near Lock and Dam 8 STATION NUMBER: M681.3B DRAINAGE AREA: 64770.0 SQUARE MILES CONSTITUENT: Dissolved Silicon LOAD ESTIMATES FOR 19930101 TO 19971231 TOTAL NUMBER OF OBS.: 113 NUMBER OF UNCENSORED OBS.: 113 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 571. 200. 200. 200. 200. 200. 200. 26782. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 953. 200. 200. 200. 200. 200. 200. 49733. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.4518E+02 - 6.7125E-02 LN(FLOW) + 7.5650E-02 LN(FLOW)**2 - 2.2332E-01 SIN(DECTIME) + 1.7207E-01 COS(DECTIME) - 6.9336E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.135 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 24.08 ( 19 DF) PROBABILITY LEVEL = 0.193 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.4518E+02 - 6.7125E-02 LN(FLOW) + 7.5650E-02 LN(FLOW)**2 - 2.2332E-01 SIN(DECTIME) + 1.7207E-01 COS(DECTIME) - 6.9336E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.135 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.4605E+02 + 2.4952E-01 LN(FLOW) + 5.1043E-02 LN(FLOW)**2 - 1.4348E-01 SIN(DECTIME) + 9.5867E-02 COS(DECTIME) - 7.0229E-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 THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Mississippi River at Reno Spillway near Lock and Dam 8 (CONTINUED) STATION NUMBER: M681.3B LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 18. 27. 36. 4. 3. STD DEV LOAD (TON/DAY) 5. 9. 11. 0. 0. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 4. 5. 6. 7. 7. 8. 10. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 2. 3. 4. 4. 6. 681. 1163. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 19. 29. 37. 4. 3. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 4. 5. 6. 7. 7. 8. 11. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 2. 3. 3. 4. 6. 722. 1266. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 15. 24. 30. 4. 3. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 5. 5. 6. 7. 7. 7. 8. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 3. 3. 3. 4. 5. 556. 921. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 17.