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Water-Year Summary for Site 04182000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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Available Parameters
00060 Discharge(Mean)  
00608 Ammonia, wf(Mean)  
00625 NH3+orgN, wu(Mean)  
00631 NO3+NO2, wf(Mean)  
00665 Phosphorus, wu(Mean)  
00671 Orthophosphate, wf(Mean)  
62961 Ammonia, dissolved(Mean)  
80154 Suspnd sedmnt conc(Mean)  
80155 Suspnd sedmnt disch(Mean)  
91007 Phosphorus, wu(Mean)  
91057 NH3+orgN, wu(Mean)  
91060 Orthophosphate, diss(Mean)  
91061 NO3+NO2, dissolved(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
04182000 ST. MARYS RIVER NEAR FORT WAYNE, IN
LOCATION - Lat 40°59'16", long 85°06'43" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 sec.12, T.29 N., R.12 E., Allen County, IN, Hydrologic Unit 04100004, on left bank 130 ft downstream from Anthony Boulevard Extension, 0.8 mi downstream from Houk Ditch, 5 mi south of Fort Wayne, and 10.8 mi upstream from mouth.
DRAINAGE AREA - 762 mi².
REVISIONS HISTORY - WSP 974: 1942. WSP 1337: 1933, 1947. WSP 1912: 1954, 1955, 1960, drainage area. WDR IN- 82-1: 1973, 1974, 1978, 1979.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1930 to current year. Monthly discharge only for some periods, published in WSP 1307. Fragmentary gage-height records for period November 1924 to October 1927 are available from the District Office. Period of record computations do not include 1934 water year.
GAGE - Water-stage recorder.  Datum of gage is 748.41 feet above the North American Vertical Datum of 1988.  Formerly 748.97 ft above National Geodetic Vertical Datum of 1929 (levels by State of Indiana, Department of Natural Resources).  Prior to Apr. 13, 1939, non-recording gage on upstream highway bridge at same datum.
REMARKS - The flow is sometimes regulated by Grand Lake.  Slight diversion from or into Wabash River Basin and into Miami and Erie Canal.  During extreme floods, some water bypasses gage and flows through Houk Ditch and Paul Trier Ditch into the Maumee River.