Station list     Available data
LOWER MISSISSIPPI RIVER BASIN


07010000       MISSISSIPPI RIVER AT ST. LOUIS, MO

 

LOCATION.-- Lat 38°37'44", long 90°10'47" (NAD of 1927), Hydrologic Unit 07140101, on downstream side of west pier of Eads Bridge at St. Louis, 15.0 mi downstream from Missouri River, 19.2 mi upstream from Meramec River, and at mile 180.0 above the Ohio River.

 

DRAINAGE AREA.-- 697,000 mi2, approximately.

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

DISCHARGE: January 1861 to current year. Monthly discharge only for some periods, published in WSP 1311.

 

STAGE: March 1933 to current year in reports of the U.S. Geological Survey. Since January 1861, in reports of Mississippi River Commission. Since January 1890, in reports of the National Weather Service.

SURFACE-WATER QUALITY

 

SEDIMENT: April 1948 to current year.

 

REVISED RECORDS.-- WDR MO-76-1: Drainage area, WDR MO-98-1: Extreme outside period of record.

 

GAGE.-- Water-stage recorder, National Weather Service gage-height and U.S. Army Corps of Engineers satellite telemeters at station. Datum of gage is 379.94 ft above NGVD of 1929. Prior to May 5, 1934, nonrecording gage 0.4 mi downstream; May 5, 1934 to Dec. 9, 1952, water-stage recorder at site 20 ft downstream at present datum.

 

REMARKS.-- Natural flow of stream affected by many reservoirs and navigation dams in upper Mississippi River Basin and by many reservoirs and diversions for irrigation in Missouri River Basin.

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,080,000 ft3/s, August 1, 1993, gage height, 49.58 ft; minimum discharge, 27,800 ft3/s, December 12, 1937.

SEDIMENT CONCENTRATIONS: Maximum daily mean, 6,720 mg/L, Feb. 24, 1985; minimum daily mean, 19 mg/L, Jan. 21 and 22, 1967.

SEDIMENT LOADS: Maximum daily, 9,830,000 tons, Feb. 24, 1985; minimum daily, 2,800 tons, Jan. 21, 1967.

 

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Flood of June 27, 1844, reached a stage of 41.32 ft, from floodmarks, discharge, 1,000,000 ft3/s, computed by U.S. Army Corps of Engineers. Flood in April 1785 may have reached a stage of 42.0 ft. Minimum flow, 18,000 ft3/s, Dec. 23, 1863.

 

EXTREMES FOR CURRENT YEAR.--

SEDIMENT CONCENTRATIONS: Maximum daily mean, 1,160 mg/L, May 13; minimum daily mean, 41 mg/L, Jan. 24.

SEDIMENT LOADS: Maximum daily, 1,210,000 tons, May 13; minimum daily, 6,550 tons, Jan. 16.

 

REMARKS FOR CURRENT YEAR.--Sediment records fair.


SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
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 97700 141 37200 130000 109 38300 92400 65 16200
2 98000 122 32400 123000 91 30300 93900 63 16000
3 109000 125 36800 120000 79 25700 89900 65 15700
4 108000 120 34800 122000 80 26300 89500 69 16700
5 126000 99 33400 119000 81 26200 83400 67 15100
 
6 124000 78 26000 126000 84 28400 71400 51 9860
7 129000 80 27900 120000 89 28800 71800 57 11000
8 130000 84 29700 121000 88 28700 73400 48 9560
9 131000 90 31900 118000 80 25600 73400 43 8560
10 126000 79 26800 107000 96 27900 75500 49 10000
 
11 133000 78 28100 106000 85 24300 76000 46 9460
12 139000 75 28000 104000 77 21500 75700 66 13400
13 153000 89 36700 105000 81 22800 76000 64 13200
14 150000 108 43600 105000 71 20200 80800 61 13200
15 147000 107 42600 107000 71 20600 83500 64 14500
 
16 156000 114 47800 105000 70 19800 81300 61 13400
17 160000 120 51900 105000 77 21900 80400 60 13000
18 157000 113 47800 103000 78 21700 86100 79 18400
19 168000 125 56800 107000 81 23500 103000 175 48800
20 163000 131 57900 102000 81 22200 98300 126 33500
 
21 161000 125 54100 97700 86 22600 95000 119 30600
22 157000 122 51900 100000 82 22300 90800 71 17500
23 153000 128 52700 95800 78 20100 88300 68 16200
24 149000 125 50300 99900 76 20500 86900 58 13600
25 149000 124 49800 98100 84 22200 87100 60 14000
 
26 146000 121 47900 94600 73 18700 77800 59 12300
27 128000 109 37600 95200 71 18100 71500 59 11500
28 121000 108 35100 94700 81 20800 66600 63 11400
29 131000 106 37400 91800 83 20600 66000 57 10200
30 134000 100 36300 91800 72 17900 68000 58 10700
 
31 135000 99 36000 --- --- --- 74300 62 12500
 
TOTAL 4268700 --- 1247200 3214600 --- 708500 2528000 --- 480040

 
JANUARY FEBRUARY MARCH



1 84100 60 13700 60800 49 8120 75800 100 20500
2 85300 64 14700 61900 51 8520 77600 83 17400
3 83000 68 15300 64600 59 10200 78700 99 21000
4 77900 70 14700 65200 71 12600 78600 116 24600
5 77100 71 14800 63600 55 9370 77300 145 30200
 
6 77700 63 13200 60700 45 7420 75900 144 29600
7 75700 69 14200 65900 50 8910 76500 130 26900
8 75100 66 13400 64200 50 8740 78300 116 24400
9 74700 63 12800 66600 52 9400 78500 100 21200
10 76100 53 10900 66100 50 8990 73400 92 18300
 
11 73600 48 9500 66100 55 9750 68500 89 16400
12 69700 47 8920 62100 59 9910 67600 99 18000
13 64700 52 9130 60800 50 8270 71800 105 20300
14 57500 56 8760 61500 52 8720 82600 148 33000
15 54000 51 7500 67000 155 28100 100000 146 39700
 
16 55800 43 6550 75800 341 69800 101000 185 50400
17 63700 43 7460 78200 312 66000 96300 155 40200
18 66600 55 9930 71600 177 34200 104000 166 46500
19 63200 44 7420 75200 180 36400 103000 162 45100
20 59600 47 7520 77700 194 40800 131000 321 114000
 
21 59500 53 8490 78000 133 27900 158000 374 159000
22 58500 53 8450 80800 114 24900 148000 257 102000
23 58300 51 8050 80100 101 21800 130000 230 81000
24 60800 41 6770 75900 100 20400 124000 190 63900
25 62800 52 8840 77800 89 18700 125000 151 51100
 
26 61900 51 8530 77000 75 15700 122000 144 47200
27 60900 58 9460 75900 90 18500 111000 126 37900
28 60200 51 8300 74800 89 18000 120000 131 42600
29 58800 58 9210 --- --- --- 136000 127 46500
30 58400 53 8320 --- --- --- 132000 125 44700
 
31 59100 57 9100 --- --- --- 118000 101 32100
 
TOTAL 2074300 --- 313910 1955900 --- 570120 3120400 --- 1365700

 
APRIL MAY JUNE



1 119000 97 31200 224000 213 129000 255000 374 257000
2 112000 86 26100 227000 169 103000 242000 335 219000
3 111000 90 26900 232000 148 92900 230000 325 202000
4 108000 88 25700 241000 176 115000 214000 283 163000
5 112000 85 25700 270000 318 232000 202000 267 145000
 
6 117000 81 25400 307000 334 277000 191000 237 122000
7 124000 93 31000 311000 284 238000 190000 204 105000
8 121000 99 32300 321000 304 263000 187000 188 94700
9 126000 105 35900 329000 374 332000 169000 163 74100
10 126000 115 38900 338000 480 438000 161000 150 65500
 
11 123000 103 34200 376000 676 687000 176000 286 136000
12 121000 88 28700 396000 888 950000 189000 201 103000
13 120000 88 28300 386000 1160 1210000 236000 425 271000
14 114000 89 27400 361000 1130 1110000 254000 246 169000
15 108000 97 28400 329000 801 712000 243000 228 150000
 
16 106000 83 23900 306000 710 588000 225000 275 167000
17 e108000 72 20900 296000 525 419000 212000 472 270000
18 e111000 71 21400 293000 451 357000 209000 603 339000
19 e115000 69 21300 288000 330 257000 204000 476 262000
20 e119000 62 20000 283000 358 274000 195000 740 391000
 
21 e125000 65 22000 279000 329 248000 181000 679 331000
22 e130000 66 23100 280000 281 212000 171000 455 210000
23 137000 65 24100 281000 275 209000 157000 345 147000
24 149000 72 29100 284000 270 207000 152000 253 104000
25 173000 93 43200 297000 294 236000 138000 218 81300
 
26 191000 132 67900 300000 235 191000 168000 441 200000
27 213000 150 85900 294000 297 236000 192000 383 199000
28 211000 150 85500 290000 389 305000 190000 312 160000
29 212000 168 96000 285000 367 283000 166000 255 115000
30 221000 174 104000 280000 356 270000 158000 205 87500
 
31 --- --- --- 272000 383 281000 --- --- ---
 
TOTAL 4083000 --- 1134400 9256000 --- 11461900 5857000 --- 5340100

 
JULY AUGUST SEPTEMBER



1 159000 253 108000 134000 109 39400 88700 145 34800
2 159000 376 162000 129000 102 35400 126000 196 66900
3 169000 355 162000 123000 104 34500 102000 253 69600
4 177000 259 124000 115000 100 30800 118000 352 112000
5 176000 254 121000 111000 96 28900 121000 274 89200
 
6 174000 295 138000 114000 99 30700 101000 272 74000
7 173000 348 163000 107000 98 28500 86300 222 51800
8 172000 261 121000 107000 97 28000 78500 189 40000
9 178000 215 104000 102000 110 30400 72800 153 30000
10 210000 216 122000 97900 106 28000 67600 131 23900
 
11 230000 227 141000 93400 110 27600 66400 109 19500
12 236000 275 175000 89100 107 25700 67400 108 19600
13 232000 401 252000 85500 101 23400 68500 114 21200
14 231000 396 247000 84400 98 22400 73300 119 23500
15 229000 323 200000 83500 97 21800 89100 121 29200
 
16 221000 320 191000 81300 94 20600 107000 199 57500
17 219000 371 220000 78400 98 20800 103000 172 47900
18 221000 393 235000 74900 92 18600 91400 182 44900
19 236000 362 231000 74100 93 18600 79200 184 39400
20 228000 433 266000 72300 86 16900 79100 130 27700
 
21 212000 446 255000 69100 87 16300 86400 134 31300
22 194000 313 164000 68700 96 17900 88500 122 29300
23 189000 240 122000 70700 105 20000 93500 137 34600
24 189000 216 110000 75800 117 23900 89400 136 32900
25 181000 192 93800 75100 100 20300 94000 139 35300
 
26 175000 154 72900 71800 108 20900 87800 143 34000
27 168000 143 65000 68600 103 19100 84900 198 45500
28 158000 137 58500 68500 105 19400 82000 188 41700
29 154000 128 53500 71100 120 23000 74600 124 24900
30 150000 116 47000 68300 123 22700 73000 112 22000
 
31 142000 117 44800 64900 120 21000 --- --- ---
 
TOTAL 5942000 --- 4569500 2729400 --- 755500 2640400 --- 1254100
 
YEAR 47669700 29200970
e Estimated


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data