Station list     Available data
LOWER MISSISSIPPI RIVER BASIN


07010000       MISSISSIPPI RIVER AT ST. LOUIS, MO



LOCATION.-- Lat 38°37'44", long 90°10'47", 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.
 

WATER TEMPERATURE: October 1951 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 sea level. 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. Sediment discharge computed from turbidity readings.

EXTREMES FOR PERIOD OF RECORD.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 6,720 mg/L, Feb. 24, 1985; minimum daily mean, 19 mg/L, Jan. 21 and 22, 1967.
SUSPENDED-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, 1,550 mg/L, May 8; minimum daily mean, 51 mg/L, Nov. 15.
SEDIMENT LOADS: Maximum daily, 766,000 tons, May 8; minimum daily, 13,600 tons, Jan. 24.
SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
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 160000 160 69200 107000 68 19600 111000 72 21600
2 152000 220 90400 112000 66 20000 112000 67 20100
3 138000 169 63000 99800 60 16200 105000 68 19400
4 134000 132 47800 105000 60 17000 109000 68 20000
5 127000 137 46800 105000 59 16700 112000 76 23300
 
6 126000 144 49200 109000 61 17900 119000 82 26400
7 119000 128 41100 108000 64 18700 122000 89 29300
8 124000 124 41700 105000 63 17800 131000 81 28600
9 119000 117 37700 102000 76 20900 119000 84 27000
10 115000 129 40000 104000 71 19800 124000 80 26700
 
11 116000 140 43900 104000 74 20900 119000 84 26800
12 118000 105 33500 108000 64 18500 122000 77 25400
13 118000 104 33100 110000 61 18000 129000 119 41300
14 116000 98 30700 106000 67 19300 121000 98 31900
15 116000 102 32000 102000 51 14100 113000 103 31400
 
16 109000 101 29700 104000 66 18500 111000 93 28000
17 111000 89 26600 103000 62 17100 112000 101 30600
18 103000 86 23800 101000 69 18800 112000 88 26500
19 107000 85 24500 106000 90 25700 98200 73 19300
20 104000 88 24800 99200 81 21600 96800 90 23400
 
21 105000 98 27800 90700 70 17000 82400 85 18900
22 105000 87 24700 93000 70 17500 71100 71 13700
23 105000 83 23400 97400 83 21800 69000 79 14700
24 104000 82 23100 106000 75 21400 69000 88 16400
25 106000 82 23400 114000 70 21600 75400 78 15900
 
26 108000 82 24000 110000 67 19600 78800 90 19100
27 109000 80 23700 110000 68 20100 72200 83 16100
28 110000 86 25700 114000 71 21900 72800 87 17100
29 105000 84 23800 121000 72 23600 73400 77 15300
30 104000 75 21200 115000 80 24900 72000 75 14500
 
31 111000 71 21300 --- --- --- 77100 67 14000
 
JANUARY FEBRUARY MARCH
1 83400 76 17100 77300 97 20100 169000 210 95800
2 92400 75 18700 74400 89 18000 157000 190 80700
3 98500 73 19400 81200 105 23100 158000 161 68700
4 100000 74 20000 86200 125 28900 171000 174 80200
5 89800 94 22800 79800 93 20100 170000 158 72400
 
6 87800 74 17500 80700 103 22400 169000 171 78100
7 89400 69 16500 85500 76 17600 158000 156 66000
8 79700 70 15200 78000 74 15500 154000 180 74800
9 88900 61 14600 75900 99 20300 151000 156 63700
10 94400 64 16300 72400 85 16600 144000 151 58900
 
11 93700 59 15000 75400 83 16900 142000 151 58000
12 86400 66 15400 72600 79 15500 144000 166 64600
13 94100 69 17700 77800 82 17300 140000 146 55200
14 92600 71 17700 77600 78 16300 130000 141 49300
15 91300 70 17300 74600 85 17100 121000 139 45300
 
16 83200 73 16200 77800 118 24900 119000 134 43000
17 77400 78 16300 75900 118 24200 125000 133 45000
18 80600 83 18100 100000 539 147000 126000 133 45200
19 79100 95 20300 110000 730 219000 128000 127 43900
20 87000 89 21100 120000 509 165000 137000 135 50400
 
21 82700 87 19300 109000 311 91500 138000 154 57200
22 78200 70 14700 98400 412 109000 128000 130 45100
23 76700 68 14100 88500 294 70100 133000 130 46700
24 76000 66 13600 88900 230 55400 135000 115 41900
25 73900 78 15600 88400 177 42200 129000 97 33700
 
26 67900 86 15800 109000 110 32600 127000 90 30800
27 77500 91 19100 138000 111 41500 128000 94 32600
28 87400 90 21100 162000 179 78800 116000 92 28400
29 87300 82 19400 169000 183 83200 114000 105 32600
30 84700 89 20400 --- --- --- 124000 143 48000
 
31 83000 82 18400 --- --- --- 134000 106 38800
 
APRIL MAY JUNE
1 136000 115 42200 160000 145 62800 172000 315 145000
2 129000 123 42700 145000 124 48600 174000 253 120000
3 123000 136 45100 144000 116 45100 194000 298 156000
4 120000 258 83600 138000 117 43800 193000 288 150000
5 109000 246 72400 129000 119 41400 198000 316 170000
 
6 116000 234 73400 121000 119 38900 211000 375 214000
7 114000 209 64200 137000 311 116000 213000 412 237000
8 117000 196 62000 183000 1550 766000 212000 414 237000
9 109000 167 49100 143000 272 104000 215000 416 241000
10 105000 155 43900 123000 155 51000 218000 403 237000
 
11 102000 149 41000 111000 124 37200 221000 382 228000
12 105000 148 41900 121000 122 40200 229000 393 243000
13 105000 117 33200 127000 133 45500 232000 421 264000
14 106000 117 33500 119000 133 42400 230000 385 239000
15 97800 100 26500 122000 126 41500 232000 379 237000
 
16 93500 82 20600 118000 119 37800 241000 308 200000
17 99300 117 31400 122000 138 45400 258000 391 274000
18 100000 101 27300 121000 96 31200 272000 384 282000
19 92500 87 21700 122000 111 36300 280000 411 311000
20 109000 170 50100 118000 112 35800 283000 402 307000
 
21 115000 128 40100 128000 126 43400 295000 439 349000
22 140000 127 48200 142000 133 50800 304000 409 336000
23 171000 139 64100 157000 168 71400 310000 374 313000
24 175000 166 78400 160000 152 65500 342000 683 632000
25 159000 193 82900 165000 188 83700 354000 506 484000
 
26 163000 231 102000 164000 213 94400 344000 434 403000
27 151000 199 81200 183000 324 160000 350000 422 399000
28 155000 193 80700 226000 674 413000 376000 662 672000
29 155000 176 73700 230000 556 344000 385000 443 461000
30 159000 161 69200 206000 606 337000 381000 651 668000
 
31 --- --- --- 193000 450 233000 --- --- ---
 
JULY AUGUST SEPTEMBER
1 364000 598 588000 136000 96 35000 103000 165 45900
2 345000 513 478000 127000 94 32300 106000 168 48100
3 331000 457 407000 132000 87 31000 101000 152 41500
4 316000 360 307000 133000 114 40900 99400 168 44900
5 305000 340 280000 130000 109 38200 88800 144 34400
 
6 293000 332 263000 122000 100 33000 78600 139 29400
7 285000 338 260000 113000 72 22000 83800 142 32100
8 287000 380 295000 129000 104 36400 76800 143 29600
9 286000 329 254000 145000 133 52400 80000 145 31300
10 276000 298 221000 160000 99 42900 86400 140 32700
 
11 248000 344 229000 149000 92 37100 92700 137 34300
12 238000 378 243000 133000 84 30300 92700 135 33800
13 243000 357 234000 126000 90 30800 88200 134 31800
14 240000 324 210000 109000 101 29400 101000 138 37900
15 240000 266 172000 92500 112 28000 105000 133 37700
 
16 242000 273 178000 97600 105 27600 110000 165 48900
17 243000 273 179000 106000 108 31300 105000 132 37800
18 241000 239 156000 116000 111 34800 115000 137 42700
19 256000 376 261000 117000 104 32800 115000 127 39500
20 260000 346 243000 117000 121 38200 109000 124 36400
 
21 259000 235 164000 114000 100 30900 102000 116 31900
22 251000 208 141000 114000 136 41900 101000 113 30800
23 240000 203 131000 115000 145 45200 99400 113 30300
24 226000 221 135000 125000 168 57300 90400 114 27800
25 204000 264 145000 145000 292 114000 96200 129 33700
 
26 182000 159 78200 164000 331 147000 113000 140 42800
27 162000 128 55900 148000 385 154000 115000 109 33800
28 151000 247 101000 121000 252 81700 106000 98 27700
29 153000 154 63500 109000 219 64400 101000 90 24600
30 135000 132 48000 102000 199 54200 99000 102 27300
 
31 134000 114 41300 95200 152 39100 --- --- ---


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data