1 STATION NAME: Rock River at Joslin, IL STATION NUMBER: 05446500 DRAINAGE AREA: 9549.0 SQUARE MILES CONSTITUENT: Total Nitrogen LOAD ESTIMATES FOR 19741001 TO 19940930 TOTAL NUMBER OF OBS.: 186 NUMBER OF UNCENSORED OBS.: 186 CALIBRATION DATA PERIOD OF RECORD: 1974 TO 1994 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 7827. 1330. 2697. 3918. 6280. 9790. 14390. 43300. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 7270. 1200. 2710. 3780. 5810. 9010. 13200. 43300. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 3.1054E+01 + 3.0410E+00 LN(FLOW) - 1.0581E-01 LN(FLOW)**2 + 1.3145E-01 SIN(DECTIME) + 1.4117E-01 COS(DECTIME) + 1.2375E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.052 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 39.76 ( 34 DF) PROBABILITY LEVEL = 0.229 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 3.1054E+01 + 3.0410E+00 LN(FLOW) - 1.0581E-01 LN(FLOW)**2 + 1.3145E-01 SIN(DECTIME) + 1.4117E-01 COS(DECTIME) + 1.2375E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.052 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 3.1972E+01 + 2.7681E+00 LN(FLOW) - 8.8995E-02 LN(FLOW)**2 + 1.0241E-01 SIN(DECTIME) + 1.4877E-01 COS(DECTIME) + 1.3386E-02 DECTIME 1 STATION: Rock River at Joslin, IL (CONTINUED) STATION NUMBER: 05446500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 100. 170. 73. 69. 99. STD DEV LOAD (TON/DAY) 2. 5. 2. 2. 3. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 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 9. 42. 77. 133. 205. 282. 446. 723. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 100. 170. 73. 69. 99. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 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 9. 42. 77. 133. 205. 282. 447. 726. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 100. 170. 74. 71. 100. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 4. 5. 6. 6. 7. 7. 8. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 8. 42. 76. 133. 207. 286. 463. 786. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 100. 1 STATION NAME: Rock River at Joslin, IL STATION NUMBER: 05446500 DRAINAGE AREA: 9549.0 SQUARE MILES CONSTITUENT: Total Nitrate + Nitrite LOAD ESTIMATES FOR 19741001 TO 19940930 TOTAL NUMBER OF OBS.: 192 NUMBER OF UNCENSORED OBS.: 188 CALIBRATION DATA PERIOD OF RECORD: 1974 TO 1994 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 7858. 1330. 2709. 3933. 6280. 9877. 14510. 43300. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 7270. 1200. 2710. 3780. 5810. 9010. 13200. 43300. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 5.9699E+01 + 5.7834E+00 LN(FLOW) - 2.4222E-01 LN(FLOW)**2 + 1.0244E-01 SIN(DECTIME) + 4.7150E-01 COS(DECTIME) + 1.9723E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.407 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 102.52 ( 35 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 5.9169E+01 + 5.6666E+00 LN(FLOW) - 2.3592E-01 LN(FLOW)**2 + 1.0302E-01 SIN(DECTIME) + 4.6638E-01 COS(DECTIME) + 1.9729E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.399 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 5.8737E+01 + 5.7076E+00 LN(FLOW) - 2.4239E-01 LN(FLOW)**2 + 6.4965E-02 SIN(DECTIME) + 3.4702E-01 COS(DECTIME) + 1.9612E-02 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS TWICE THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Rock River at Joslin, IL (CONTINUED) STATION NUMBER: 05446500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 83. 130. 42. 58. 99. STD DEV LOAD (TON/DAY) 5. 12. 4. 5. 8. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 2. 3. 5. 6. 7. 8. 9. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 24. 54. 112. 191. 257. 419. 747. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 79. 130. 40. 55. 94. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 2. 3. 5. 6. 6. 7. 9. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 23. 51. 106. 181. 245. 403. 734. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 74. 120. 43. 54. 82. 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. 6. 7. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 24. 51. 101. 162. 219. 336. 569. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 70. 1 STATION NAME: Rock River at Joslin, IL STATION NUMBER: 05446500 DRAINAGE AREA: 9549.0 SQUARE MILES CONSTITUENT: Dissolved Ammonia LOAD ESTIMATES FOR 19741001 TO 19940930 TOTAL NUMBER OF OBS.: 76 NUMBER OF UNCENSORED OBS.: 70 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 8921. 2150. 2961. 4540. 7210. 10800. 18830. 32000. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 7270. 1200. 2710. 3780. 5810. 9010. 13200. 43300. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.2239E+02 + 1.3407E+00 LN(FLOW) + 4.9432E-01 SIN(DECTIME) + 9.4756E-01 COS(DECTIME) - 6.3734E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.377 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 10.06 ( 12 DF) PROBABILITY LEVEL = 0.611 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.2330E+02 + 1.2771E+00 LN(FLOW) + 4.7790E-01 SIN(DECTIME) + 8.8143E-01 COS(DECTIME) - 6.3881E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 1.319 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.2480E+02 + 1.4337E+00 LN(FLOW) + 2.5394E-01 SIN(DECTIME) + 8.5254E-01 COS(DECTIME) - 6.5326E-02 DECTIME 1 STATION: Rock River at Joslin, IL (CONTINUED) STATION NUMBER: 05446500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 3.60 6.70 0.84 1.70 5.10 STD DEV LOAD (TON/DAY) 0.73 1.80 0.22 0.42 1.20 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 1. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 4. 8. 11. 27. 62. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 3.50 6.50 0.91 1.70 4.90 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. 1. 2. 4. 8. 11. 26. 58. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 3.60 6.40 1.10 2.20 5.00 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. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 4. 8. 11. 28. 66. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 3.5 1 STATION NAME: Rock River at Joslin, IL STATION NUMBER: 05446500 DRAINAGE AREA: 9549.0 SQUARE MILES CONSTITUENT: Total Phosphorus LOAD ESTIMATES FOR 19741001 TO 19940930 TOTAL NUMBER OF OBS.: 193 NUMBER OF UNCENSORED OBS.: 193 CALIBRATION DATA PERIOD OF RECORD: 1974 TO 1994 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 7842. 1330. 2712. 3945. 6210. 9834. 14480. 43300. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 7270. 1200. 2710. 3780. 5810. 9010. 13200. 43300. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 4.1506E+01 + 1.0881E+00 LN(FLOW) - 3.5422E-02 SIN(DECTIME) - 9.9502E-02 COS(DECTIME) - 2.1086E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.194 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 47.34 ( 35 DF) PROBABILITY LEVEL = 0.080 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 4.1506E+01 + 1.0881E+00 LN(FLOW) - 3.5422E-02 SIN(DECTIME) - 9.9502E-02 COS(DECTIME) - 2.1086E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.194 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 4.1479E+01 + 1.0930E+00 LN(FLOW) - 7.2868E-02 SIN(DECTIME) - 1.4815E-01 COS(DECTIME) - 2.1094E-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: Rock River at Joslin, IL (CONTINUED) STATION NUMBER: 05446500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 6.30 9.70 5.90 4.80 4.80 STD DEV LOAD (TON/DAY) 0.24 0.54 0.33 0.27 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. 0. 0. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 3. 5. 8. 12. 16. 27. 44. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 6.30 9.70 5.90 4.80 4.80 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. 0. 0. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 3. 5. 8. 12. 16. 27. 44. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 6.30 9.50 6.20 4.90 4.60 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 0. 0. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 3. 5. 8. 12. 17. 26. 43. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 6.6 1 STATION NAME: Rock River at Joslin, IL STATION NUMBER: 05446500 DRAINAGE AREA: 9549.0 SQUARE MILES CONSTITUENT: Soluble Reactive Phosphorus (measured as Dissolved Orthophosphate) LOAD ESTIMATES FOR 19741001 TO 19940930 TOTAL NUMBER OF OBS.: 56 NUMBER OF UNCENSORED OBS.: 52 CALIBRATION DATA PERIOD OF RECORD: 1978 TO 1994 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 9360. 2150. 2730. 4033. 7205. 12275. 22750. 32000. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 7270. 1200. 2710. 3780. 5810. 9010. 13200. 43300. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.8466E+02 - 1.0067E+01 LN(FLOW) + 6.3539E-01 LN(FLOW)**2 - 4.5553E-01 SIN(DECTIME) + 5.3944E-01 COS(DECTIME) - 6.9315E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.941 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 23.30 ( 8 DF) PROBABILITY LEVEL = 0.003 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.8273E+02 - 9.7529E+00 LN(FLOW) + 6.1725E-01 LN(FLOW)**2 - 4.3598E-01 SIN(DECTIME) + 5.2235E-01 COS(DECTIME) - 6.9009E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.890 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.8184E+02 - 9.1948E+00 LN(FLOW) + 5.9254E-01 LN(FLOW)**2 - 5.4393E-01 SIN(DECTIME) + 5.1633E-01 COS(DECTIME) - 6.9947E-02 DECTIME WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS TWICE THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Rock River at Joslin, IL (CONTINUED) STATION NUMBER: 05446500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 3.00 3.90 1.60 3.20 3.10 STD DEV LOAD (TON/DAY) 0.62 1.20 0.46 0.86 0.74 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. 1. 2. 3. 5. 8. 25. 91. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 3.10 4.20 1.70 3.30 3.20 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 1. 1. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 3. 5. 8. 25. 110. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 3.30 4.40 1.80 3.70 3.30 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. 1. 2. 3. 6. 9. 29. 118. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 2.4 1 STATION NAME: Rock River at Joslin, IL STATION NUMBER: 05446500 DRAINAGE AREA: 9549.0 SQUARE MILES CONSTITUENT: Total Suspended Sediment LOAD ESTIMATES FOR 19741001 TO 19940930 TOTAL NUMBER OF OBS.: 113 NUMBER OF UNCENSORED OBS.: 113 CALIBRATION DATA PERIOD OF RECORD: 1975 TO 1993 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 7721. 1450. 2585. 3745. 5500. 10024. 15020. 32000. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 7270. 1200. 2710. 3780. 5810. 9010. 13200. 43300. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 7.7976E+01 + 1.5376E+00 LN(FLOW) - 8.8299E-02 SIN(DECTIME) - 4.9421E-01 COS(DECTIME) - 3.8558E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.346 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 34.41 ( 19 DF) PROBABILITY LEVEL = 0.016 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 7.7976E+01 + 1.5376E+00 LN(FLOW) - 8.8299E-02 SIN(DECTIME) - 4.9421E-01 COS(DECTIME) - 3.8558E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.346 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 7.6895E+01 + 1.3898E+00 LN(FLOW) - 5.0901E-02 SIN(DECTIME) - 3.5525E-01 COS(DECTIME) - 3.7345E-02 DECTIME WARNING: MAXIMUM PREDICTED CONCENTRATION EXCEEDS 100000 UG/L 1 STATION: Rock River at Joslin, IL (CONTINUED) STATION NUMBER: 05446500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2700. 4700. 3200. 1600. 1200. STD DEV LOAD (TON/DAY) 210. 490. 320. 160. 120. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 21. 70. 97. 141. 198. 234. 296. 517. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 68. 793. 1456. 3150. 6004. 9413. 18187. 45884. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2700. 4700. 3200. 1600. 1200. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 21. 70. 97. 141. 198. 234. 297. 523. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 69. 793. 1456. 3148. 6016. 9437. 18334. 46389. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2500. 4300. 2700. 1600. 1400. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 32. 78. 100. 132. 171. 194. 240. 358. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 102. 870. 1513. 2958. 5282. 7964. 14489. 31752. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 3000. 1 STATION NAME: Rock River at Joslin, IL STATION NUMBER: 05446500 DRAINAGE AREA: 9549.0 SQUARE MILES CONSTITUENT: Dissolved Chloride LOAD ESTIMATES FOR 19741001 TO 19940930 TOTAL NUMBER OF OBS.: 176 NUMBER OF UNCENSORED OBS.: 176 CALIBRATION DATA PERIOD OF RECORD: 1974 TO 1994 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 7971. 1330. 2679. 3933. 6280. 10250. 14950. 43300. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 7270. 1200. 2710. 3780. 5810. 9010. 13200. 43300. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 3.0958E+01 + 7.3594E-01 LN(FLOW) + 4.5246E-02 SIN(DECTIME) + 1.1843E-01 COS(DECTIME) + 1.9333E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.015 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 45.38 ( 32 DF) PROBABILITY LEVEL = 0.059 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 3.0958E+01 + 7.3594E-01 LN(FLOW) + 4.5246E-02 SIN(DECTIME) + 1.1843E-01 COS(DECTIME) + 1.9333E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.015 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 3.1049E+01 + 7.4385E-01 LN(FLOW) + 3.5941E-02 SIN(DECTIME) + 1.0108E-01 COS(DECTIME) + 1.9346E-02 DECTIME 1 STATION: Rock River at Joslin, IL (CONTINUED) STATION NUMBER: 05446500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 570. 780. 450. 470. 570. STD DEV LOAD (TON/DAY) 6. 12. 8. 8. 9. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 16. 27. 31. 36. 40. 43. 48. 59. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 131. 345. 496. 705. 951. 1193. 1688. 2692. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 570. 780. 450. 470. 570. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 16. 28. 32. 36. 40. 43. 48. 59. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 131. 345. 496. 705. 952. 1194. 1689. 2695. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 570. 780. 460. 470. 570. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 16. 28. 32. 36. 40. 42. 47. 57. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 131. 344. 497. 706. 952. 1194. 1702. 2709. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 540. 1 STATION NAME: Rock River at Joslin, IL STATION NUMBER: 05446500 DRAINAGE AREA: 9549.0 SQUARE MILES CONSTITUENT: Dissolved Silica (The values represented here are for SiO2. Values for loads and concentrations have been converted to represent elemental Si. Si = 0.46744 * SiO2 ) LOAD ESTIMATES FOR 19741001 TO 19940930 TOTAL NUMBER OF OBS.: 137 NUMBER OF UNCENSORED OBS.: 122 CALIBRATION DATA PERIOD OF RECORD: 1974 TO 1994 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 7718. 1450. 2722. 3810. 5500. 9457. 14740. 43300. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 7270. 1200. 2710. 3780. 5810. 9010. 13200. 43300. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 6.1343E+00 + 2.0190E+00 LN(FLOW) - 4.4410E-02 SIN(DECTIME) + 1.1116E+00 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 1.912 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 59.35 ( 24 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 5.3336E+00 + 1.9344E+00 LN(FLOW) - 3.8300E-02 SIN(DECTIME) + 1.0244E+00 COS(DECTIME) ESTIMATED RESIDUAL VARIANCE = 1.742 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 6.4693E-01 + 1.4348E+00 LN(FLOW) + 1.3901E-01 SIN(DECTIME) + 6.7397E-01 COS(DECTIME) WARNING: THE MAXIMUM PREDICTED CONCENTRATION EXCEEDS TWICE THE MAXIMUM OBSERVED SAMPLE CONCENTRATION. 1 STATION: Rock River at Joslin, IL (CONTINUED) STATION NUMBER: 05446500 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 310. 480. 75. 220. 460. STD DEV LOAD (TON/DAY) 65. 120. 19. 56. 110. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 3. 7. 15. 25. 31. 51. 85. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 39. 117. 320. 716. 1186. 3217. 8560. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 240. 380. 66. 170. 340. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 3. 6. 12. 19. 24. 37. 61. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 35. 98. 255. 553. 907. 2348. 6139. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 160. 260. 62. 100. 200. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 4. 6. 9. 12. 13. 16. 22. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 41. 95. 190. 339. 494. 1019. 2164. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 130.