Station list     Available data
ILLINOIS RIVER BASIN


05570000       SPOON RIVER AT SEVILLE, IL

 

LOCATION.-- Lat 40°29'24", long 90°20'25" (NAD of 1927), in SE1/4NW1/4 sec.24, T.6 N., R.1 E., Fulton County, Hydrologic Unit 07130005, on left bank at downstream side of State Highway 95 bridge, 0.5 mi upstream from a railroad bridge, 0.5 mi northeast of Seville, 0.1 mi downstream from Shaw Creek, and at mile 39.2.
 

DRAINAGE AREA.-- 1,636 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: July 1914 to current year. Monthly discharge only for some periods, published in WSP 1308.
 

STAGE: Water years 1994 to current year.

SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1978-93.
 

SEDIMENT: Water years 1980-97, Feb. 2003 to current year.
 

MISCELLANEOUS: Sediment concentration and particle size, water years 1993, 1995-97, 2003.
 

REVISED RECORDS.-- WSP 1208: 1917, 1920, 1922, 1924, 1926-27, 1929(M). WSP 1308: 1919(M), 1936(M), 1938(M), 1942(M), 1945(M). WDR IL-75-1: Drainage area.
 

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, sediment sampler, and crest-stage gage. Datum of gage is 467.04 ft above NGVD of 1929. Datum of gage was incorrectly published water years 1927-1941. Prior to May 9, 1935, nonrecording gage 0.5 miles downstream at same datum. May 9, 1935 to June 30, 1976, nonrecording gage 0.47 miles downstream at same datum. July 1, 1976, to July 13, 1983, recording gage at present site and datum. July 14, 1983 to Sept. 18, 2000, recording gage 0.47 miles downstream at same datum.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 37,300 ft3/s, Aug. 22, 1924, gage height, 30.77 ft, from graph based on gage readings; maximum gage height, 33.10 ft, July 26, 1993, discharge, 34,700 ft3/s; minimum observed discharge, 3.8 ft3/s, July 31, Aug. 27-29, 1914.

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 4,630 mg/L, July 21, 1996; minimum daily, 10 mg/L, Feb. 5, 6, 1996.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 128,000 tons, May 27, 1996; minimum daily, 2.9 tons, Feb. 6, 1996.
 

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Flood of 1883 reached a stage of about 33.0 ft, backwater from ice, discharge not determined.
 

EXTREMES FOR CURRENT YEAR.--

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 2,550 mg/L, May 31; minimum daily, 13 mg/L, Sept. 27-28.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 39,900 tons, Dec. 11; minimum daily, 3.3 tons, Oct. 1.
SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
MEAN MEAN MEAN
MEAN CONCEN- SEDIMENT MEAN CONCEN- SEDIMENT MEAN CONCEN- SEDIMENT
DISCHARGE TRATION DISCHARGE DISCHARGE TRATION DISCHARGE DISCHARGE TRATION DISCHARGE
DAY (CFS) (MG/L) (TONS/DAY) (CFS) (MG/L) (TONS/DAY) (CFS) (MG/L) (TONS/DAY)
 
OCTOBER NOVEMBER DECEMBER
1 60 26 3.3 76 74 15 286 22 17
2 65 53 9.2 81 64 14 278 19 14
3 59 52 8.2 134 59 21 270 16 12
4 53 41 5.8 268 78 59 255 16 11
5 48 32 4.2 548 204 330 259 31 21
 
6 47 31 3.9 957 442 1140 265 31 22
7 47 30 3.8 613 207 352 278 32 24
8 47 29 3.7 472 93 120 280 35 26
9 51 28 3.9 357 65 63 284 70 56
10 53 28 3.9 288 43 33 2100 1350 9090
 
11 49 27 3.6 255 26 18 6230 2390 39900
12 49 29 3.9 235 25 15 5540 1050 16100
13 54 31 4.5 215 25 15 3340 339 3210
14 75 33 6.7 196 28 15 2220 215 1290
15 80 33 7.2 182 30 15 1830 174 863
 
16 93 34 8.5 174 31 14 1630 136 601
17 124 33 11 170 43 20 1470 117 462
18 116 31 9.6 261 68 48 1320 100 355
19 107 28 8.1 660 75 133 1210 83 272
20 98 29 7.7 743 59 118 1080 66 194
 
21 86 42 9.8 599 67 108 1030 55 152
22 78 56 12 535 53 76 1020 63 176
23 73 65 13 445 39 47 1070 61 176
24 65 58 10 391 28 29 977 57 151
25 82 50 11 356 25 24 886 67 161
 
26 84 44 10 350 28 27 841 69 156
27 84 39 9.0 345 34 32 845 74 168
28 89 39 9.3 328 29 25 861 85 198
29 85 54 12 314 27 23 845 87 198
30 84 71 16 302 25 21 834 88 198
 
31 77 83 17 --- --- --- 800 87 188
 
TOTAL 2262 --- 249.8 10850 --- 2970 40434 --- 74462
 
JANUARY FEBRUARY MARCH
1 762 77 158 e410 52 82 680 64 118
2 728 66 130 e390 62 103 652 60 105
3 722 57 110 e380 74 122 634 62 106
4 724 56 110 e370 90 152 631 136 243
5 699 58 108 e360 117 207 1270 590 2080
 
6 645 59 104 e360 167 300 2340 1340 8410
7 712 81 157 e350 179 317 2370 947 6090
8 882 176 421 e340 126 224 1870 574 2930
9 862 171 398 e340 92 164 1520 268 1110
10 846 131 298 e340 81 142 1320 192 686
 
11 809 91 198 e330 73 126 1190 145 469
12 765 66 136 e330 68 116 1080 105 308
13 726 60 116 e320 67 112 992 94 252
14 720 57 109 e320 67 109 932 87 219
15 693 55 102 e320 66 105 918 81 202
 
16 672 53 95 e310 66 100 906 80 195
17 658 51 90 e310 66 98 888 78 188
18 623 49 83 e330 65 96 888 78 186
19 e640 91 215 e400 78 125 882 83 198
20 e680 167 404 e700 133 320 846 91 208
 
21 e720 100 242 e900 262 873 786 96 205
22 e660 61 123 e1550 412 1880 739 87 173
23 e620 51 101 e1500 339 1520 699 69 130
24 e590 49 97 e1400 226 951 696 67 126
25 e550 48 84 e1250 126 472 724 112 219
 
26 e530 48 80 e1050 145 520 787 152 323
27 e510 47 84 e900 115 322 983 200 534
28 e480 47 80 e760 92 202 1160 248 775
29 e460 47 77 e720 77 156 1350 278 1010
30 e450 47 74 --- --- --- 1440 284 1100
 
31 e430 46 71 --- --- --- 1420 248 948
 
TOTAL 20568 --- 4655 17340 --- 10016 33593 --- 29846
 
APRIL MAY JUNE
1 1370 209 772 681 118 224 6970 2000 37700
2 1290 176 613 1000 251 676 6360 1190 20600
3 1200 174 564 882 198 473 5190 848 11900
4 1110 164 496 817 192 426 2890 705 5530
5 1040 118 333 950 210 537 2230 995 6010
 
6 977 129 341 962 196 508 1940 542 2860
7 944 156 398 868 171 402 1750 395 1870
8 918 139 345 794 143 306 1580 332 1420
9 878 109 259 990 322 942 1450 331 1290
10 826 100 223 1230 475 1580 1580 483 2070
 
11 765 92 190 1110 389 1170 1950 543 2850
12 725 77 150 1090 505 1520 2100 498 2830
13 696 62 117 1530 740 3030 1810 530 2590
14 674 67 122 1290 896 3130 1530 582 2410
15 662 78 139 1440 611 2360 1430 395 1520
 
16 643 92 160 1590 670 2880 1380 275 1020
17 630 105 179 1590 559 2400 1300 268 939
18 608 103 169 1360 430 1580 1170 286 903
19 581 100 157 1310 469 1660 1080 258 754
20 563 119 182 1490 486 1950 998 223 600
 
21 605 139 227 1370 508 1880 968 210 549
22 695 116 218 1280 523 1820 1000 296 798
23 694 90 169 1680 782 3540 957 246 637
24 621 79 133 1860 1070 5430 864 184 431
25 616 72 120 1940 1130 5920 775 157 329
 
26 661 73 131 1700 1100 5040 718 149 288
27 670 75 136 1910 853 4380 675 146 267
28 617 75 124 1650 557 2500 645 134 234
29 576 75 116 1430 490 1890 616 119 198
30 576 86 134 1420 984 4090 589 105 166
 
31 --- --- --- 4360 2550 32100 --- --- ---
 
TOTAL 23431 --- 7417 43574 --- 96344 54495 --- 111563
 
JULY AUGUST SEPTEMBER
1 555 101 152 201 59 32 222 65 39
2 526 105 148 194 59 31 177 60 28
3 525 130 185 184 58 29 151 60 24
4 575 181 282 187 53 27 133 69 25
5 658 419 755 191 46 24 121 75 25
 
6 793 524 1130 204 47 26 111 62 19
7 868 504 1180 202 42 23 104 47 13
8 613 273 460 207 47 26 98 43 11
9 568 243 373 168 45 21 93 43 11
10 731 644 1260 149 38 15 90 43 10
 
11 919 785 1940 136 29 11 86 44 10
12 1050 831 2440 136 30 11 83 46 10
13 1490 1190 4800 128 36 12 80 49 11
14 956 589 1570 118 37 12 78 51 11
15 708 278 538 113 36 11 82 64 15
 
16 575 214 332 109 35 10 297 188 229
17 510 278 382 104 33 9.2 1400 1190 4510
18 545 446 654 105 34 9.8 684 353 733
19 457 201 252 134 104 38 452 69 86
20 392 177 187 418 163 190 365 50 50
 
21 359 400 386 350 176 167 285 44 34
22 334 280 254 255 140 97 236 37 24
23 329 144 129 202 83 46 203 31 17
24 392 146 154 158 65 28 179 24 12
25 337 132 120 202 93 53 162 17 7.7
 
26 309 109 91 254 92 64 150 15 6.0
27 275 96 72 369 147 150 139 13 5.0
28 254 86 59 338 160 147 131 13 4.8
29 237 85 55 391 154 163 125 17 5.7
30 225 80 48 352 131 125 117 31 7.5
 
31 214 69 40 280 91 69 --- --- ---
 
TOTAL 17279 --- 20428 6539 --- 1677.0 6634 --- 5993.7
 
YEAR 276999 365621.5
e Estimated


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data