U.S. Geological Survey
Water Resources Data - Ohio, Water Year 97, Vol. 2 | Maumee River Basin
Water-Discharge | Water-Quality
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                                 04192500 MAUMEE RIVER NEAR DEFIANCE, OHIO

LOCATION.--Lat 41017'31", long 84016'52", in NW 1/4 sec. 22, T.4 N., R.5 E., Defiance County, Hydrologic Unit 04100009, 
on left bank 40 ft upstream from Independence Dam, 4 mi downstream from mouth of Auglaize River, and 4.5 mi east 
of Defiance.
DRAINAGE AREA.--5,545 mi2.

                                              WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--October 1924 to December 1935, March 1939 to September 1974, October 1978 to current year.
REVISED RECORDS.--WSP 974: 1926-27, 1930. WSP 1387: 1925-28, 1946. WRD Ohio, 1970: Drainage Area.
GAGE.--Water-stage recorder. Datum of gage is 658.56 ft above sea level. Prior to Nov. 13, 1924, nonrecording gage 
at same site and datum.
REMARKS.--Records fair except for periods estimated record, which are poor. Flow affected by regulation of Auglaize 
River at hydroelectric plant of the Hydro-Corporation, 7 mi upstream. Operation of hydroelectric plant there was 
discontinued Jan. 10, 1963, to Sept. 7, 1985. Low flow slightly regulated by powerplant at Ft. Wayne, Indiana. 
Slight diversion 275 ft upstream into Miami and Erie Canal through a 24-inch conduit, which bypasses station.


			DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997                   
							DAILY MEAN VALUES                                                
 
 DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
 
   1       930      347    10600     5940    e3500    58800    e7000     1480    21600     5850     1160     1020
   2       682      367    14300     4960    e3400    47800     5570     1310    43900    11500      908    e1100
   3      1340      341    12100     4720     4520    34800     4440     2490    53400     7020      738    e1400
   4      1020      381     8710     4240     7090    27000     4200     7590    48400     5440      652    e1700
   5       630      562     6230     8700    17200    19900     4150     9490    33500     4150      682    e1300
 
   6       476      497     4670    12800    23300    14700    e5800     8740    19800     2380     1010     e840
   7       402      916     4040    10500    20600    13700     5780     7000    13600     2700      703     e700
   8       416     7020     3820     6990    14700    11600     5240     5430     9550     2380      700     e760
   9       417    12200     3470     4550    10100     9230     3820     4060     6050    19900      643    e1000
  10       370     9990     3360     3180     7440    10000     3690     3310     4120    20800      589    e4000
 
  11       348     8090     4750     2000     5800    11700     3230     3360     3090    17300      558     9510
  12       339     6500    17900     1470     4460    10200     2360     2870     2570    12300     e560     5640
  13       275     4260    26300     1170     3530     7480     3940     2390     2390     8780     e900     3300
  14       248     2190    22900     1130    e2800    22000     6080     2190     2750     4640     1570     2480
  15       233     2380    17400     1640    e2500    40300     5120     2040     3050     2110     2500    e2000
 
  16       226     1610    11900     1810    e2100    32800     3990     1890     2280     1300     1750    e1700
  17       201     1260     9970     1680    e1900    24500     3050     1730     1790     1380    12400    e2300
  18       248     1130    14200     1510    e1800    16900     3090     1570     1850     1220    17400    e4000
  19       269     1290    10000     1240    e4500    12500     2530     4000     1980     1090    13800    e7000
  20       456     1310    e8000     1340    10200    10100     2430    13100     2010     1200     9890   e20000
 
  21       405     1080     6380     1450    23400     8420     2320    10700     3430     1100    e7000   e18000
  22       403     1040     5280     3200    29200     6860     2090     7130     6920     1950    e4000   e14000
  23       956      936     5950    11100    27000     5710     1900     4550     6150    11800     2770   e10000
  24       438     1050    22200    16300    20500     4450     1870     3180     5740    10300     2630    e7600
  25       497     1260    27400   e10000    15300     4350     1740    15100     4320     7340     3160    e5000
 
  26       668     3650    18700    e8000    12400     5010     1430    40000     4800     5400     4760    e3500
  27       624     9550    13600    e6000    33900     5210     1600    39800     5590     3810     3980    e2900
  28       535     8630     9900    e5600    55600     4860     1420    26200     5930     3390     2140    e2500
  29       679     6220     8610    e5000      ---     5130     1260    17800     4790     2130     1570    e2000
  30      1240     6170     7640    e4300      ---     7630     1330    15400     3220     1770     1630    e1600
  31       738      ---     7060    e3900      ---    e8600      ---    12200      ---     1200     1100      ---
 
 TOTAL   16709   102227   347340   156420   368740   502240   102470   278100   328570   183630   103853   138850
 MEAN      539     3408    11200     5046    13170    16200     3416     8971    10950     5924     3350     4628
 MAX      1340    12200    27400    16300    55600    58800     7000    40000    53400    20800    17400    20000
 MIN       201      341     3360     1130     1800     4350     1260     1310     1790     1090      558      700
 
 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1925 - 1997, BY WATER YEAR (WY)                                 
 
 MEAN     1330     2779     4581     5961     6902     9527     8478     5171     3593     2074      957     1109
 MAX      8314    16410    18040    30150    22460    33940    23210    27270    20370    10700     4739    11470
 (WY)     1955     1973     1967     1950     1959     1982     1957     1943     1981     1992     1958     1926
 MIN      63.9      110      158      219      363     1455      789      359      214      211      111     88.1
 (WY)     1929     1954     1964     1945     1964     1941     1925     1925     1988     1930     1932     1955
 
 SUMMARY STATISTICS           FOR 1996 CALENDAR YEAR        FOR 1997 WATER YEAR           WATER YEARS 1925 - 1997
 
 ANNUAL TOTAL                     2067417                    2629149                                             
 ANNUAL MEAN                         5649                       7203                       4355                  
 HIGHEST ANNUAL MEAN                                                                       8286              1950
 LOWEST ANNUAL MEAN                                                                         849              1931
 HIGHEST DAILY MEAN                 41400     Jan 20           58800     Mar  1           98800       Mar 15 1982
 LOWEST DAILY MEAN                    201     Oct 17             201     Oct 17               3.0     Sep  4 1925
 ANNUAL SEVEN-DAY MINIMUM             243     Oct 13             243     Oct 13              27       Aug 31 1925
 INSTANTANEOUS PEAK FLOW                                       61300     Mar  1          104000       Mar 15 1982
 INSTANTANEOUS PEAK STAGE                                         10.37  Mar  1              15.87    Mar 15 1982
 INSTANTANEOUS LOW FLOW                                          201     Oct 17               2.0     Sep  3 1925
 10 PERCENT EXCEEDS                 15600                      17800                      12400                  
 50 PERCENT EXCEEDS                  2320                       4000                       1390                  
 90 PERCENT EXCEEDS                   381                        682                        221                  
 

e Estimated.


04192500 MAUMEE RIVER NEAR DEFIANCE, OHIO WATER-QUALITY RECORDS PERIOD OF RECORD.--January to September 1997. PERIOD OF DAILY RECORD.-- SUSPENDED SEDIMENT DISCHARGE: January to September 1997. INSTRUMENTATION.--Sampler located downstream from streamflow-gaging station, at Florida, Ohio. REMARKS.--Sediment samples were collected by a local observer on an approximate once daily basis beginning January 8, 1997. Sediment loads were calculated using the mean-interval method (Porterfield, George, 1972, Computation of Fluvial-Sediment Discharge: U.S. Geological Survey, Techniques of Water-Resources Investigations, Book 3, Chap. C3, 66 p.). For days with unsteady concentration, discharge, or both, the day was subdivided into hourly intervals and the daily load was calculated by summation of hourly loads. This required interpolation between measured and estimated concentrations. EXTREMES FOR PERIOD OF DAILY RECORD.-- SEDIMENT CONCENTRATIONS: Maximum daily mean, 1,340 mg/L, Feb. 28, 1997; minimum daily mean, 15 mg/L, Feb. 18, 1997. SEDIMENT LOADS: Maximum daily, 201,000 tons, Feb. 28, 1997; minimum daily, 24 tons, Aug. 11, 1997. EXTREMES FOR CURRENT YEAR.-- SEDIMENT CONCENTRATIONS: Maximum daily mean, 1,340 mg/L, Feb. 28; minimum daily mean, 15 mg/L, Feb. 18. SEDIMENT LOADS: Maximum daily, 201,000 tons, Feb. 28; minimum daily, 24 tons, Aug. 11. WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 DIS- CHARGE, SPE- SEDIMENT INST. CIFIC SEDI- PARTICLE SAM- CUBIC CON- TEMPER- TEMPER- MENT, SIZE PLING FEET DUCT- ATURE ATURE SUS- <.0625MM DATE TIME METHOD, PER ANCE AIR WATER PENDED SILTCLAY CODES* SECOND (US/CM) (DEG C) (DEG C) (MG/L) (PERCENT) (82398) (00061) (00095) (00020) (00010) (80154) (80250) MAY 22... 1425 10 6820 518 19.0 15.5 130 99.6 JUL 17... 1005 10 1390 478 26.0 25.5 82 -- SEP 16... 1440 10 1700# 430 31.0 22.0 74 -- * 10 - Stream cross-section sample obtained by equal-width-increment (EWI) sampling method. # Estimated daily discharge, instantaneous discharge is not available.

                                 04192500 MAUMEE RIVER NEAR DEFIANCE, OHIO
		SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997            
 
                     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)
 
                   JANUARY                          FEBRUARY                            MARCH
 
   1         ---       ---        ---         e3500        48        454         58800       933     148000
   2         ---       ---        ---         e3400        45        409         47800       637      82400
   3         ---       ---        ---          4520        41        509         34800       459      43100
   4         ---       ---        ---          7090        56       1200         27000       352      25600
   5         ---       ---        ---         17200       255      12900         19900       262      14100
 
   6         ---       ---        ---         23300       553      34900         14700       192       7640
   7         ---       ---        ---         20600       403      22400         13700       146       5400
   8        6990       288       5450         14700       310      12400         11600       123       3850
   9        4550       216       2660         10100       219       5980          9230       114       2820
  10        3180       171       1470          7440       163       3270         10000       117       3200
 
  11        2000       136        735          5800       142       2210         11700       138       4360
  12        1470       108        429          4460       105       1270         10200       149       4070
  13        1170        86        273          3530        72        688          7480       144       2890
  14        1130        78        240         e2800        51        385         22000       343      25000
  15        1640        75        336         e2500        37        247         40300       711      77300
 
  16        1810        73        356         e2100        29        162         32800       449      40000
  17        1680        70        320         e1900        22        113         24500       319      21200
  18        1510        68        277         e1800        15         74         16900       221      10100
  19        1240        66        220         n4500        34        481         12500       164       5510
  20        1340        64        232         10200       185       5820         10100       116       3170
 
  21        1450        61        239         23400       746      48000          8420        90       2030
  22        3200        95       1020         29200       585      46100          6860        82       1520
  23       11100       283       9060         27000       421      30800          5710        72       1110
  24       16300       279      12200         20500       280      15600          4450        65        785
  25      e10000       169       4550         15300       209       8630          4350        54        645
 
  26       e8000       115       2480         12400       165       5490          5010        64        864
  27       e6000        88       1420         33900      1060     116000          5210        68        956
  28       e5600        66       1010         55600      1340     201000          4860        54        713
  29       e5000        60        811           ---       ---        ---          5130        66        945
  30       e4300        56        647           ---       ---        ---          7630       183       3830
  31       e3900        52        545           ---       ---        ---         e8600       171       3970
 
 TOTAL    104560       ---      46980        368740       ---     577492        502240       ---     547078
 
  DAY                  APRIL                             MAY                               JUNE
 
   1       e7000       116       2200          1480        46        181         21600       262      15900
   2        5570        86       1290          1310        38        136         43900       430      52100
   3        4440        65        778          2490        42        309         53400       423      60900
   4        4200        52        584          7590        94       2060         48400       316      41400
   5        4150        51        590          9490       233       5940         33500       225      20400
 
   6       e5800        79       1230          8740       188       4460         19800       167       8930
   7        5780       100       1570          7000       122       2320         13600       136       4950
   8        5240        69        979          5430        85       1260          9550       120       3100
   9        3820        50        518          4060        61        672          6050        83       1380
  10        3690        39        388          3310        52        463          4120        50        562
 
  11        3230        35        304          3360        50        453          3090        41        344
  12        2360        33        213          2870        51        393          2570        34        236
  13        3940        32        345          2390        50        321          2390        32        204
  14        6080        38        632          2190        40        237          2750        29        218
  15        5120        45        614          2040        42        231          3050        31        253
 
  16        3990        43        462          1890        48        247          2280        28        169
  17        3050        49        398          1730        53        244          1790        28        133
  18        3090        44        365          1570        49        208          1850        32        161
  19        2530        41        282          4000        75        996          1980        31        163
  20        2430        39        257         13100       385      14300          2010        31        170
 
  21        2320        38        240         10700       274       8040          3430        64        643
  22        2090        36        204          7130       139       2710          6920       460       8980
  23        1900        37        187          4550        85       1050          6150       391       6600
  24        1870        38        193          3180        69        595          5740       188       2910
  25        1740        39        185         15100       162       9980          4320       157       1820
 
  26        1430        38        146         40000       739      80300          4800       158       2070
  27        1600        38        163         39800       457      49100          5590       165       2490
  28        1420        37        142         26200       355      25200          5930       139       2220
  29        1260        33        111         17800       248      11900          4790       133       1690
  30        1330        34        122         15400       244      10100          3220       156       1370
  31         ---       ---        ---         12200       191       6360           ---       ---        ---
 
 TOTAL    102470       ---      15692        278100       ---     240766        328570       ---     242466
 
  DAY                 JULY                             AUGUST                           SEPTEMBER
 
   1        5850       218       3870          1160        38      117            1020        54        148
   2       11500       388      12100           908        47      116           e1100        46        137
   3        7020       216       4130           738        48       95           e1400        37        141
   4        5440       161       2360           652        36       63           e1700        45        205
   5        4150       166       1840           682        36       66           e1300        60        210
 
   6        2380       164       1050          1010        37       99.7          e840        51        116
   7        2700       162       1180           703        28       53            e700        44         83
   8        2380       169       1230           700        29       55            e760        34         69
   9       19900      1200      69500           643        25       44           e1000        35         94
  10       20800       953      53800           589        17       27           e4000        58        626
 
  11       17300       536      25100           558        16       24            9510       170       4390
  12       12300       423      14100          e560        22       33            5640       126       1960
  13        8780       290       7090          e900        26       64            3300        79        698
  14        4640       161       2030          1570        39      177            2480        76        503
  15        2110       108        628          2500        49      328           e2000        76        413
 
  16        1300        82        288          1750        38      180           e1700        72        329
  17        1380        77        287         12400       284    11800           e2300        69        426
  18        1220        70        230         17400       440    20700           e4000        82        886
  19        1090        62        182         13800       318    11900           e7000        95       1790
  20        1200        53        171          9890       177     4800          e20000       125       6750
 
  21        1100        43        126         e7000        98     1860          e18000       383      18600
  22        1950        67        417         e4000        68      740          e14000       272      10300
  23       11800       172       5860          2770        63      467          e10000       158       4270
  24       10300       222       6330          2630        59      418           e7600       113       2320
  25        7340       103       2050          3160        61      531           e5000        84       1130
 
  26        5400        80       1160          4760        70      898           e3500        75        704
  27        3810        86        879          3980        72      769           e2900        70        546
  28        3390        84        770          2140        64      365           e2500        74        497
  29        2130        74        426          1570        61      262           e2000        75        405
  30        1770        57        273          1630        61      268           e1600        74        322
  31        1200        48        156          1100        57      170             ---       ---        ---
 
 TOTAL    183630       ---     219613        103853       ---    57489.7        138850       ---      59068

 YEAR    2111013            2006644.7

   e  Estimated


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