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. 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, 1,620 mg/L, March 9; minimum daily mean, 39 mg/L, Feb. 11.

SEDIMENT LOADS: Maximum daily, 1,760,000 tons, June 3; minimum daily, 8,300 tons, Feb. 11.
 

REMARKS FOR CURRENT YEAR.--Sediment records fair.
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 76400 148 30400 68100 118 21700 118000 124 39500
2 69100 141 26200 68700 107 19900 105000 116 32800
3 66900 136 24600 71100 103 19800 96700 115 29900
4 68000 133 24300 80900 103 22500 100000 117 31700
5 66900 167 30100 97000 106 27900 97400 131 34500
 
6 64600 134 23400 111000 113 34000 86200 103 23900
7 62300 118 19900 122000 135 44500 82400 95 21100
8 62200 117 19600 120000 127 41300 81000 91 20000
9 66600 122 21900 116000 99 31100 89000 90 21600
10 80400 122 26500 113000 108 32900 105000 84 23800
 
11 72900 129 25300 108000 108 31500 184000 181 90100
12 66900 108 19600 107000 98 28400 197000 255 135000
13 64300 105 18300 103000 108 30100 193000 376 196000
14 65300 130 22900 92400 114 28400 176000 481 228000
15 67700 118 21500 86500 99 23200 151000 507 207000
 
16 69300 110 20500 85200 98 22500 138000 407 152000
17 81300 107 23500 84000 94 21400 134000 339 123000
18 83300 109 24600 133000 247 88600 136000 272 99800
19 77200 118 24500 158000 377 161000 141000 208 79200
20 67700 103 18900 150000 277 112000 131000 189 66800
 
21 64500 139 24200 148000 250 99900 118000 177 56400
22 71100 114 22000 142000 249 95600 111000 146 43800
23 71000 107 20400 143000 211 81400 120000 139 45100
24 73600 109 21600 142000 229 87900 143000 154 59400
25 72900 111 21800 124000 187 62700 160000 231 99600
 
26 74800 104 21000 124000 179 59800 143000 322 124000
27 73400 116 23000 131000 154 54300 128000 249 86000
28 69500 109 20500 131000 164 58200 118000 234 74700
29 69400 105 19600 121000 155 50800 122000 213 70200
30 69200 107 20000 111000 131 39200 119000 127 40800
 
31 65800 117 20900 --- --- --- 113000 110 33600
 
TOTAL 2174500 --- 701500 3391900 --- 1532500 3936700 --- 2389300
 
JANUARY FEBRUARY MARCH
1 121000 116 38100 88700 64 15300 129000 140 48700
2 131000 94 33100 90300 66 16100 131000 137 48300
3 124000 117 39000 85700 75 17400 133000 161 57700
4 132000 341 121000 79900 72 15600 149000 163 65400
5 164000 391 173000 79500 69 14700 213000 363 209000
 
6 156000 347 146000 82100 63 13900 306000 587 485000
7 133000 263 94500 84700 65 14900 379000 693 709000
8 114000 204 62700 83500 60 13600 407000 940 1030000
9 110000 145 42900 78800 57 12100 389000 1070 1120000
10 107000 123 35600 77800 56 11700 361000 855 833000
 
11 107000 107 30900 78400 55 11600 327000 752 664000
12 104000 95 26600 80400 57 12300 288000 811 631000
13 102000 88 24400 85500 55 12700 270000 553 403000
14 99900 108 29100 85200 79 18200 258000 565 394000
15 99300 135 36200 82900 60 13500 238000 435 279000
 
16 98800 104 27700 80700 59 12800 222000 379 227000
17 97400 90 23700 76800 53 11100 220000 350 208000
18 106000 109 31200 75000 54 10900 212000 287 164000
19 111000 151 45300 76300 55 11400 207000 239 133000
20 111000 181 54300 78900 58 12400 211000 218 124000
 
21 111000 247 74100 93900 70 17800 209000 232 131000
22 119000 212 68100 103000 68 18800 204000 182 100000
23 111000 179 53700 115000 71 22000 187000 172 86900
24 105000 121 34400 129000 89 30900 183000 152 75300
25 103000 112 31300 125000 89 30100 176000 162 77200
 
26 106000 87 25000 145000 127 49600 181000 166 81300
27 101000 90 24400 156000 166 69800 230000 312 194000
28 92700 84 21100 139000 156 58500 281000 477 362000
29 84800 82 18800 131000 137 48400 290000 491 385000
30 89400 77 18700 --- --- --- 281000 363 276000
 
31 88500 72 17200 --- --- --- 290000 339 266000
 
TOTAL 3439800 --- 1502100 2768000 --- 618100 7562000 --- 9867800
 
APRIL MAY JUNE
1 301000 461 375000 213000 142 81600 396000 1000 1070000
2 305000 529 435000 225000 180 109000 394000 1340 1430000
3 302000 479 391000 226000 159 97100 428000 2120 2450000
4 291000 432 340000 225000 140 84900 451000 1600 1940000
5 284000 402 308000 218000 158 93000 443000 956 1140000
 
6 277000 339 254000 208000 149 83600 430000 840 975000
7 272000 361 265000 191000 140 72000 415000 657 737000
8 272000 294 216000 180000 157 76200 401000 545 590000
9 266000 242 174000 168000 118 53400 390000 473 498000
10 258000 230 160000 156000 107 45100 385000 422 438000
 
11 250000 240 162000 146000 107 42200 379000 379 388000
12 235000 227 144000 136000 96 35400 368000 392 390000
13 221000 238 142000 146000 109 42800 369000 421 419000
14 207000 223 125000 172000 325 151000 372000 441 443000
15 191000 194 100000 180000 223 109000 364000 368 362000
 
16 161000 143 62300 175000 148 69900 370000 391 391000
17 157000 134 56600 172000 118 54900 397000 460 493000
18 150000 114 46100 173000 109 51100 421000 688 782000
19 149000 114 45700 183000 157 77500 426000 716 823000
20 141000 99 37600 222000 260 156000 419000 738 835000
 
21 147000 95 37500 246000 291 193000 414000 638 713000
22 147000 88 35100 267000 329 237000 405000 486 531000
23 151000 87 35300 287000 417 323000 400000 327 354000
24 152000 93 38300 271000 561 410000 397000 490 525000
25 164000 104 46200 264000 410 292000 399000 398 429000
 
26 172000 131 60900 301000 395 321000 394000 369 393000
27 180000 159 77000 369000 653 650000 387000 411 429000
28 181000 134 65700 449000 913 1110000 379000 378 387000
29 206000 185 103000 460000 926 1150000 368000 347 345000
30 211000 153 87300 440000 879 1040000 356000 330 317000
 
31 --- --- --- 416000 1000 1120000 --- --- ---
 
TOTAL 6401000 --- 4425600 7485000 --- 8431700 11917000 --- 21017000
 
JULY AUGUST SEPTEMBER
1 343000 299 277000 177000 244 117000 283000 1050 800000
2 331000 288 257000 158000 218 93000 233000 967 609000
3 317000 296 253000 144000 164 63800 215000 455 264000
4 299000 275 222000 147000 157 62300 194000 383 201000
5 281000 281 213000 159000 146 62700 165000 629 280000
 
6 265000 390 279000 174000 137 64200 145000 489 192000
7 245000 320 212000 192000 217 113000 134000 243 88000
8 246000 270 179000 176000 288 137000 123000 196 64900
9 251000 363 246000 159000 292 125000 115000 150 46400
10 249000 311 209000 156000 339 143000 117000 119 37500
 
11 245000 270 179000 142000 295 113000 115000 103 32100
12 243000 268 176000 133000 225 80600 108000 94 27500
13 242000 249 163000 130000 181 63700 105000 129 36400
14 248000 237 159000 118000 180 57500 100000 116 31400
15 263000 299 212000 110000 154 45900 101000 105 28700
 
16 270000 346 252000 99900 145 39200 107000 98 28200
17 259000 376 263000 104000 137 38300 118000 107 34200
18 241000 436 283000 104000 122 34300 122000 105 34700
19 228000 433 267000 97800 98 26000 125000 93 31400
20 229000 425 263000 98200 93 24700 124000 101 33900
 
21 227000 512 314000 110000 97 28700 117000 91 28800
22 218000 423 249000 110000 102 30300 118000 90 28600
23 206000 414 230000 106000 98 28000 137000 123 45400
24 199000 332 178000 92200 106 26500 150000 193 78100
25 195000 279 147000 94400 95 24200 154000 174 72500
 
26 186000 245 123000 148000 153 61100 151000 173 70400
27 181000 226 110000 190000 202 104000 144000 153 59700
28 178000 211 101000 261000 277 195000 142000 174 66800
29 181000 277 135000 314000 596 506000 134000 177 64000
30 180000 358 174000 300000 773 626000 129000 179 62300
 
31 175000 350 166000 301000 946 769000 --- --- ---
 
TOTAL 7421000 --- 6491000 4805500 --- 3903000 4225000 --- 3477900
 
YEAR 65527400 64357500


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data