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.--
WATER TEMPERATURES: October 1951 to current year.
SEDIMENT RECORDS: April 1948 to current year.

REMARKS.--Sediment discharge computed from turbidity readings. Sediment records fair except for estimated daily load Jan. 28 to Feb. 2, and Feb. 7-10, which are poor.

EXTREMES FOR PERIOD OF DAILY RECORD.--
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 FOR CURRENT YEAR.--
SEDIMENT CONCENTRATIONS: Maximum daily mean, 3,480 mg/L, Apr. 4; minimum daily mean, 74 mg/L, Sept. 16.
SEDIMENT LOADS: Maximum daily, 4,860,000 tons, Apr. 4; minimum daily, 21,700 tons, Sept. 14.
SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
MEANMEANMEAN
MEANCONCEN-SEDIMENTMEANCONCEN-SEDIMENTMEANCONCEN-SEDIMENT
DISCHARGETRATIONDISCHARGEDISCHARGETRATIONDISCHARGEDISCHARGETRATIONDISCHARGE
DAY(CFS)(mg/L)(TONS/DAY)(CFS)(mg/L)(TONS/DAY)(CFS)(mg/L)(TONS/DAY)
 
OCTOBERNOVEMBERDECEMBER



11370001224510017400021710200016400017577500
21360001234510017400019691900161000231100000
31360001194380016900018886000179000273132000
41320001023620016400016673700187000442223000
51330001164180016500018381300179000602291000
 
61350001114040017400017984000173000950444000
71320001224360016600020893100178000736354000
81320001224350016300021494000175000440208000
91330001244450015900017273900176000344163000
101280001204130015600015967100171000262121000
 
111290001073730015500016569000162000236103000
12129000130453001550001576560015800019281800
13131000127448001510002108550015800017875900
14132000124441001520001857600015400018878300
15129000119413001490001586360014800018071900
 
16147000141560001500001255060014200019072900
17165000149664001450001365310014100024292200
18163000207910001480001224890014000017566100
19162000222972001460001425610013500022983400
20161000208902001430001596120013200027196700
 
21162000195853001500001606470013800025595100
22160000180775001430001535900014200019072800
23160000170735001440001485740014000014855900
24159000181778001400001274800014100015458600
25158000181770001360001324830015200017873200
 
261560001636880013200013949500157000248105000
271560001496250012300014849200161000247107000
281510001536220013400017462900163000310136000
291530001435910014300022887900164000385170000
301620002038860015800018880200155000281118000
 
3116900017981600---------14100023589500

 
JANUARYFEBRUARYMARCH



113500024087500149000---55000292000593468000
213900022183000146000---58000271000408299000
31320001906790014000016562400259000348243000
41400002107930014000017365200253000424290000
516400021595000156000238100000253000379259000
 
6192000217113000175000223105000253000260177000
7215000188109000176000---110000248000236158000
8271000504369000166000---112000249000425285000
9325000823722000157000---106000286000374289000
10304000948778000152000---98000351000558528000
 
11260000900632000150000382155000388000901944000
1222400053532300019900055629900038600012801330000
1319300037219400026100070349500036400012401220000
14169000303138000264000534380000338000668610000
15166000280126000242000572374000316000487416000
 
1615300021488400217000613359000295000324258000
1715400015765200209000430243000285000264203000
1815500018376500218000429252000327000270239000
1914600016063000239000447288000382000357368000
2014000012446900240000327212000453000698854000
 
211410001746620023800035522800050200012301660000
221440001586130023700033221300051100011001510000
23145000162635002310003432140004940008691160000
2414600017568800231000348217000461000761947000
2514400014355500221000365218000427000531612000
 
2614100015157600223000409246000397000487522000
2713600014954500252000465316000371000449449000
28133000---55000298000570458000358000484468000
29140000---55000---------353000528504000
30139000---54000---------352000485461000
 
31144000---53000---------354000434415000

 
APRILMAYJUNE



1372000442444000444000380455000243000538353000
24320009771140000458000735909000242000317207000
348600015702060000455000788968000246000282187000
451700034804860000437000454535000252000228155000
553100025003590000410000418462000250000219148000
 
653400012201760000379000339346000274000612452000
75300009331330000353000361344000256000621429000
85140009971380000339000233213000232000491308000
94880008321100000330000186165000231000381237000
10466000632796000324000180157000264000302215000
 
11465000474595000321000293254000280000300227000
12483000762993000314000359304000298000221178000
13499000728980000310000299250000294000215171000
1449900011401530000305000356293000305000183151000
154980009521280000304000284233000334000173156000
 
16518000610854000296000269215000342000321296000
17542000700102000028600013910800035800012501210000
1853800075110900002680001369810038500012001250000
195210004085740002520001248460039600017801910000
204990004275750002530001137730039600022202380000
 
214820005527190002630001127960040600017401910000
2246400051965000027800023017200044400014701760000
234490003043690002880001269830047500011301450000
244340003434020002880001721340004840009941300000
254220003624120002800003112350004770008641110000
 
26414000344384000298000407327000468000583736000
27400000295319000316000421359000446000697840000
28391000277292000314000408346000417000885996000
29395000231247000296000427341000390000662697000
30421000449510000280000790597000381000609627000
 
31---------261000508358000---------

 
JULYAUGUSTSEPTEMBER



1383000467483000293000815645000180000252123000
240500045149300028300080361300016500019184900
34280001830211000027000094068500014100016161100
442400013001490000237000100064100012300012943000
54050001050114000022600084551600012500015150900
 
6405000959105000022200066940100012400010334400
742200063071700022500073744800012200012942500
842900043550400022300054933000011600012137800
942900053562000022800040324800010600014341000
1043400044552200023000042626400010500017549700
 
1143700041148500022300040624400010700010229400
124330005296190002210003492080001050008223300
13424000115013200002200002661580009920011229900
14413000692771000208000193108000995008121700
15394000702746000205000168928001110009227500
 
16370000651650000207000141786001360007427100
17344000917852000187000146737002430001330874000
183160008677400001720002261050002450001420938000
19284000486372000176000139662002050001080599000
2026100035324900018800013970600178000602290000
 
2124800029920000017500014769400163000399176000
222350002861810001650001205340014600024395900
232240002811700001510001094420014300017868800
242170003201870001420001174480013800013951600
25217000232136000144000983820014900010943600
 
262150002621520001490001767060015400015263300
272100002191240001510001245040015400015564500
2826700010907860001500001004050015600018075800
292990008066510001600001034470015000016968300
303080009327750001640001617120014000016361800
 
3131200090676300017400020797000---------


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data