Station list     Available data
UPPER MISSISSIPPI RIVER BASIN


05587455       MISSISSIPPI RIVER BELOW GRAFTON, IL

 

LOCATION.-- Lat 38°57'04", long 90°22'16" (NAD of 1927), in sec.24, T.6 N., R.11 W., Jersey County, Hydrologic Unit 07110009, 11.3 mi above Lock and Dam 26, 19.0 mi above mouth of Missouri River, and at mile 214.6 upstream from the mouth of the Ohio River.
 

DRAINAGE AREA.-- 171,300 mi2, approximately.
 

PERIOD OF RECORD.--

SURFACE-WATER QUALITY
 

CHEMICAL: March 1989 to current year.
 

SEDIMENT: October 1989 to current year.
 

REMARKS.-- Ambient water-quality monitoring network station Nov. 1992 to current year. National Stream-Quality Accounting Network station September 1989 to October 1992. Discharge for sediment records obtained from Mississippi River at Grafton (05587450).
 

EXTREMES FOR PERIOD OF RECORD.--

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 1,910 mg/L, May 23, 1990; minimum daily mean, 1 mg/L, Sept. 10, 1991.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 1,090,000 tons, May 23, 1990; minimum daily, 186 tons, Sept. 10, 1991.
 

EXTREMES FOR CURRENT YEAR.--

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 737 mg/L, May 7; minimum daily mean, 40 mg/L, Sept. 30.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 599,000 tons, May 8; minimum daily, 5,050 tons, Jan. 22.
 

REMARKS FOR CURRENT YEAR.--Sediment records fair.
SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
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 56100 96 14400 85900 139 32300 89800 114 27700
2 52700 77 10900 85500 101 23400 90600 99 24200
3 46100 74 9190 89200 101 24300 93400 89 22500
4 44500 71 8540 87600 106 25100 97100 86 22500
5 47900 70 8990 91900 142 35100 95500 86 22300
 
6 45200 73 8930 91500 113 27900 89600 82 19700
7 51400 68 9460 86900 99 23300 87400 87 20500
8 54700 69 10200 79400 103 22000 84700 79 18000
9 56600 61 9280 84100 86 19500 86000 75 17500
10 51000 59 8180 82100 78 17200 92300 89 22300
 
11 47200 66 8420 83200 74 16700 98300 99 26400
12 47600 78 9980 82600 81 18000 103000 96 26500
13 56000 93 14000 79400 82 17700 97400 77 20300
14 55900 96 14500 77200 75 15500 99600 91 24400
15 61300 95 15700 76500 64 13300 102000 115 31700
 
16 61500 101 16800 75900 59 12200 103000 127 35200
17 88300 135 32100 73000 52 10300 111000 144 43200
18 88800 148 35500 74300 66 13200 106000 130 37200
19 85000 154 35500 68800 86 15900 92900 133 33500
20 87900 145 34400 72700 78 15300 92400 127 31700
 
21 83000 111 25000 74800 70 14100 92600 98 24600
22 80800 100 21900 71800 63 12100 95100 121 31000
23 95000 123 32100 74100 71 14200 90600 133 32700
24 103000 191 53400 80900 85 18600 75100 86 17500
25 108000 224 65200 77700 76 15900 58900 81 12900
 
26 96100 206 53600 79200 72 15400 61300 81 13400
27 92400 181 45200 74100 69 13900 47900 86 11200
28 102000 154 42500 79600 73 15700 38200 66 6780
29 93400 144 36300 85100 79 18100 34500 56 5210
30 92900 177 44300 91000 87 21400 44900 73 9240
 
31 94300 170 43200 --- --- --- 61700 65 10900
 
JANUARY FEBRUARY MARCH
1 54300 58 8570 122000 417 138000 106000 129 37000
2 51300 54 7510 110000 278 82700 101000 132 36000
3 55500 50 7510 95900 222 57300 96200 132 34300
4 61800 47 7780 84200 261 59200 94900 132 33900
5 60500 46 7470 85100 258 59400 86700 128 30000
 
6 52700 47 6710 83600 157 35400 83900 113 25600
7 49100 57 7630 83700 132 29700 91000 111 27300
8 64200 86 15100 86400 146 34200 94000 139 35300
9 66100 93 16600 89800 175 42400 85100 176 40500
10 59900 70 11300 85900 166 38600 111000 181 54500
 
11 55700 59 8800 88300 163 38900 130000 196 68900
12 59100 50 8010 91600 111 27500 126000 209 70800
13 66900 64 11500 95300 99 25600 121000 292 95400
14 60400 72 11700 98600 135 36000 119000 267 86000
15 55100 73 10900 92600 110 27500 119000 263 84700
 
16 63200 73 12500 86400 109 25700 126000 223 76200
17 60400 60 9770 86200 93 21600 125000 198 67200
18 58000 59 9230 90700 124 30300 123000 144 47900
19 61400 65 10800 87300 132 31200 127000 150 51300
20 57800 45 6970 80000 102 22000 122000 184 60600
 
21 50500 46 6310 82500 83 18500 117000 213 67300
22 39500 47 5050 93500 122 30900 111000 191 57000
23 48000 48 6230 99800 179 48200 105000 143 40700
24 47300 49 6260 102000 189 52300 109000 114 33600
25 45400 54 6620 101000 167 45700 115000 140 43600
 
26 51200 51 6990 92400 137 34100 113000 152 46400
27 52000 51 7210 95300 136 34800 111000 136 40900
28 53600 47 6750 103000 114 31700 109000 144 42500
29 59300 46 7380 --- --- --- 109000 177 52300
30 64600 72 12600 --- --- --- 105000 155 43900
 
31 104000 264 80600 --- --- --- 99400 148 39800
 
APRIL MAY JUNE
1 94200 162 41200 293000 311 247000 231000 199 124000
2 94600 168 42800 294000 319 254000 228000 179 110000
3 101000 169 45800 290000 280 219000 231000 185 115000
4 104000 147 41400 282000 231 176000 226000 165 101000
5 105000 159 44800 272000 222 163000 214000 175 101000
 
6 105000 189 53800 271000 292 214000 220000 196 116000
7 110000 189 56300 292000 737 584000 231000 176 110000
8 112000 164 49400 315000 706 599000 240000 185 119000
9 127000 184 64000 306000 316 261000 244000 225 150000
10 162000 282 124000 291000 286 225000 250000 287 194000
 
11 180000 358 173000 273000 290 213000 261000 445 315000
12 167000 311 140000 273000 379 280000 279000 524 397000
13 150000 295 119000 310000 324 271000 290000 323 253000
14 151000 294 120000 350000 270 255000 310000 260 218000
15 146000 267 105000 374000 183 185000 315000 185 157000
 
16 146000 303 120000 372000 185 186000 315000 331 277000
17 153000 291 120000 365000 179 176000 307000 226 187000
18 155000 250 105000 358000 181 174000 290000 179 140000
19 162000 245 107000 349000 227 213000 272000 201 148000
20 173000 245 114000 345000 295 274000 253000 209 143000
 
21 191000 266 138000 338000 274 250000 237000 201 128000
22 218000 416 245000 328000 269 238000 225000 172 104000
23 224000 321 194000 316000 307 262000 216000 191 111000
24 224000 380 230000 302000 299 244000 208000 178 99800
25 232000 582 365000 292000 243 191000 204000 151 83400
 
26 241000 534 348000 288000 223 173000 200000 135 72900
27 245000 374 247000 289000 230 179000 189000 148 75600
28 267000 482 348000 290000 236 185000 176000 170 80300
29 283000 413 315000 285000 214 164000 175000 190 89800
30 290000 369 290000 270000 238 173000 182000 208 102000
 
31 --- --- --- 249000 268 181000 --- --- ---
 
JULY AUGUST SEPTEMBER
1 183000 209 103000 94700 110 28300 119000 177 56600
2 182000 191 93800 88600 116 27700 114000 165 50900
3 182000 175 86200 84900 106 24300 109000 140 41200
4 177000 164 78200 84900 107 24600 103000 95 26600
5 172000 133 62100 81000 101 22000 96000 94 24400
 
6 165000 118 52500 84600 105 24100 85200 94 21600
7 157000 119 50200 86700 110 25900 77800 97 20400
8 146000 112 44000 87200 110 26000 76300 91 18800
9 142000 132 50500 82400 94 20800 74100 79 15900
10 137000 117 43400 85200 89 20500 69300 76 14200
 
11 137000 120 44300 85200 86 19800 76800 86 17800
12 131000 114 40300 86000 80 18700 77700 86 18000
13 128000 116 40200 90300 82 20000 78200 83 17500
14 121000 102 33400 93200 95 23900 78500 85 18000
15 113000 98 29900 94100 114 29100 78000 79 16600
 
16 100000 96 26000 92200 112 28000 78800 82 17500
17 96800 89 23200 96400 132 34400 83000 76 17100
18 92500 84 21000 91700 143 35500 79700 71 15300
19 92200 77 19100 96400 140 36300 83100 76 17000
20 96400 86 22500 101000 114 31000 78000 85 17800
 
21 104000 95 26600 96700 109 28400 72100 87 16800
22 101000 105 28600 96500 112 29300 63500 110 18800
23 103000 92 25500 104000 126 35400 71500 85 16400
24 104000 95 26800 146000 259 103000 68900 62 11600
25 101000 91 24700 168000 329 150000 66500 77 13900
 
26 96300 89 23200 164000 303 135000 58800 72 11500
27 95600 70 18000 159000 260 111000 51600 53 7440
28 95800 67 17200 146000 244 96300 55000 54 8030
29 92600 64 16200 130000 237 83500 60200 52 8390
30 97500 96 25300 125000 237 80100 59200 40 6350
 
31 96300 98 25400 123000 197 65200 --- --- ---


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data