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 transport curve.

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, 1,260 mg/L, June 7; minimum daily mean, 76 mg/L, Jan. 1-4.
SEDIMENT LOADS: Maximum daily, 1,930,000 tons, June 8; minimum daily, 13,800 tons, Jan. 14.
SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
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 103000 117 32500 91500 104 25800 102000 99 27200
2 99500 120 32300 82300 95 21100 106000 99 28600
3 90700 118 29000 81300 93 20500 102000 100 27300
4 88700 122 29300 84400 91 20800 106000 100 28600
5 116000 157 49300 88100 92 22000 105000 100 28200
 
6 118000 150 47900 97500 111 29400 95400 99 25500
7 111000 134 40000 116000 128 40000 85800 98 22700
8 112000 137 41300 107000 110 31900 75000 97 19600
9 98200 118 31200 114000 123 38000 70700 94 18000
10 88000 105 25100 122000 141 46700 67900 92 16800
 
11 84900 100 23000 136000 178 65200 69500 89 16700
12 87400 98 23100 143000 188 72700 73600 87 17400
13 87200 97 22800 153000 198 82100 61500 86 14300
14 89000 96 23000 142000 178 68500 60700 84 13800
15 90000 105 25700 130000 157 55100 61800 83 13900
 
16 104000 122 34100 131000 148 52300 63900 84 14500
17 109000 136 40400 132000 140 49900 72400 88 17100
18 107000 137 39400 128000 139 48000 73700 91 18100
19 99300 122 32800 131000 140 49400 73000 90 17700
20 89700 104 25200 136000 139 50800 69900 88 16500
 
21 82400 98 21800 123000 131 43600 68700 85 15800
22 78600 96 20300 123000 123 40800 72100 86 16700
23 82400 98 21800 114000 115 35300 77000 89 18400
24 94400 108 27700 106000 107 30600 79900 91 19700
25 93400 110 27800 101000 103 28000 76000 89 18300
 
26 89200 106 25500 105000 102 28900 72800 86 17000
27 86200 102 23800 107000 101 29200 72000 83 16200
28 89300 101 24300 102000 100 27700 68800 81 15100
29 90400 101 24600 105000 100 28200 72900 80 15700
30 95900 105 27200 103000 99 27500 72400 79 15400
 
31 99000 109 29200 --- --- --- 70300 77 14700
 
JANUARY FEBRUARY MARCH
1 70700 76 14500 222000 416 249000 448000 857 1040000
2 72500 76 14900 205000 393 218000 423000 819 937000
3 70700 76 14500 182000 353 173000 380000 734 754000
4 71100 76 14600 181000 308 151000 332000 638 574000
5 74700 77 15500 166000 263 118000 296000 553 442000
 
6 73900 78 15500 156000 219 92300 283000 512 391000
7 73000 79 15500 151000 174 71000 274000 488 361000
8 74600 80 16000 143000 151 58000 262000 465 329000
9 73800 80 16000 154000 182 77000 249000 441 296000
10 72100 80 15500 227000 375 233000 234000 417 264000
 
11 73700 79 15700 288000 591 463000 223000 405 244000
12 71600 78 15000 334000 740 667000 215000 402 234000
13 70300 79 15000 322000 787 685000 208000 400 224000
14 79300 86 18500 297000 752 604000 197000 400 212000
15 82100 96 21200 274000 716 530000 214000 419 242000
 
16 96700 109 28400 256000 677 469000 257000 499 348000
17 90400 109 26500 244000 637 420000 327000 639 566000
18 91100 109 26800 230000 597 371000 396000 762 817000
19 96900 116 30300 217000 557 327000 422000 845 962000
20 98500 123 32600 209000 517 292000 415000 832 932000
 
21 101000 129 35300 201000 477 259000 397000 794 852000
22 106000 132 37900 191000 437 226000 377000 756 769000
23 100000 128 34600 180000 403 196000 356000 721 694000
24 101000 123 33600 196000 421 224000 343000 705 653000
25 95300 118 30400 300000 591 485000 338000 699 639000
 
26 89400 113 27300 385000 729 760000 336000 696 632000
27 89200 108 26100 430000 822 956000 337000 684 622000
28 83000 103 23200 456000 884 1090000 329000 655 582000
29 85000 110 25400 --- --- --- 316000 616 525000
30 154000 254 110000 --- --- --- 296000 575 460000
 
31 211000 375 214000 --- --- --- 281000 543 411000
 
APRIL MAY JUNE
1 267000 511 369000 422000 328 374000 344000 455 423000
2 257000 480 333000 424000 300 343000 358000 591 572000
3 250000 459 310000 423000 302 345000 395000 728 778000
4 252000 471 321000 421000 312 354000 431000 865 1010000
5 280000 491 372000 417000 322 362000 477000 1000 1290000
 
6 305000 549 452000 415000 332 371000 517000 1140 1590000
7 310000 556 466000 420000 342 388000 546000 1260 1860000
8 301000 549 446000 430000 365 424000 583000 1230 1930000
9 295000 542 432000 450000 447 544000 608000 1150 1890000
10 295000 546 435000 472000 523 667000 609000 1080 1770000
 
11 310000 619 519000 470000 512 650000 605000 1000 1640000
12 345000 700 652000 462000 483 603000 580000 925 1450000
13 372000 715 719000 459000 456 566000 541000 834 1220000
14 373000 706 711000 470000 447 567000 505000 591 807000
15 371000 697 698000 480000 458 594000 473000 464 594000
 
16 377000 688 701000 482000 472 615000 446000 444 535000
17 383000 678 701000 487000 487 641000 433000 477 558000
18 386000 659 686000 495000 501 670000 446000 542 653000
19 388000 637 668000 504000 516 703000 458000 531 656000
20 390000 615 648000 510000 530 730000 447000 506 611000
 
21 392000 593 628000 516000 544 758000 423000 488 557000
22 397000 571 612000 506000 535 730000 412000 600 667000
23 399000 549 592000 493000 517 688000 440000 746 888000
24 403000 528 575000 478000 500 646000 463000 824 1030000
25 411000 506 561000 459000 483 598000 467000 823 1040000
 
26 415000 483 541000 440000 465 553000 456000 770 950000
27 415000 453 508000 413000 448 499000 443000 639 765000
28 413000 422 471000 387000 431 450000 419000 524 594000
29 413000 391 436000 363000 415 406000 395000 471 503000
30 416000 360 404000 345000 407 380000 378000 419 428000
 
31 --- --- --- 341000 401 370000 --- --- ---
 
JULY AUGUST SEPTEMBER
1 364000 368 361000 184000 288 144000 132000 180 63900
2 350000 316 298000 201000 340 185000 117000 166 52200
3 339000 287 263000 190000 294 151000 101000 153 41600
4 334000 280 252000 171000 248 115000 99100 144 38500
5 329000 274 244000 166000 224 100000 102000 137 37800
 
6 333000 284 255000 168000 210 95200 98400 133 35200
7 339000 299 274000 162000 199 86800 96400 128 33400
8 330000 304 271000 164000 195 86400 96100 124 32200
9 311000 291 244000 156000 192 80900 107000 120 34800
10 292000 277 218000 159000 188 80700 97200 116 30500
 
11 270000 263 192000 151000 183 74300 99300 120 32100
12 256000 250 173000 141000 178 67600 109000 132 38700
13 242000 241 157000 131000 172 60800 118000 155 49500
14 225000 234 142000 119000 163 52600 117000 161 51100
15 222000 228 137000 93600 147 37300 118000 154 48900
 
16 215000 222 129000 89200 143 34300 118000 146 46400
17 201000 215 117000 86100 144 33400 113000 137 41800
18 189000 208 106000 97700 153 40400 98600 127 33900
19 187000 201 102000 98400 146 38900 102000 122 33500
20 181000 194 94700 98100 144 38000 98200 121 32000
 
21 182000 187 91700 95300 142 36500 137000 159 60200
22 181000 180 87800 98800 154 41200 181000 268 131000
23 171000 173 79700 98700 155 41400 181000 275 134000
24 178000 166 79700 139000 207 78200 166000 246 110000
25 181000 160 78300 144000 216 84000 153000 221 91400
 
26 175000 157 74500 126000 178 60400 141000 197 75300
27 174000 166 78000 114000 158 48900 134000 183 66000
28 189000 265 136000 115000 151 46800 139000 187 69900
29 204000 312 172000 120000 164 53200 141000 188 71600
30 191000 282 146000 131000 191 67300 134000 174 63000
 
31 180000 256 124000 136000 194 71100 --- --- ---


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data