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Water-Year Summary for Site 04193490

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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00400 pH(Max.,Min.,Med.)  
32283 fChl,in situ,650-700(Max.,Min.,Mean)  
32321 Relative fPC, water, in situ(Max.,Mean,Min.)  
62361 Chlorophyll, in situ(Min.,Mean,Max.)  
63680 Turbidity, Form Neph(Mean,Max.,Min.)  
95202 Cyanobac-PC, water, in situ(Min.,Max.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
04193490 Maumee River near Waterville OH
LOCATION - Lat 41°28'34", long 83°44'20" referenced to North American Datum of 1927, Wood County, OH, Hydrologic Unit 04100009, on right bank 2.51 mi above State Route 64 bridge at the old water intake for a water treatment plant.
DRAINAGE AREA - 6,313 mi².
SURFACE-WATER RECORDS
REMARKS -

Interruptions in the water-quality record are due to malfunction of the equipment.

Oct. 1, 2013 to Jan. 22, 2015: Specific conductance records good except July 17-24, 2014, which are poor. pH records good except July 1-17, 2014, which are fair. Water temperature records good. Dissolved oxygen records good except Nov. 27, 2014 to Jan. 22, 2015, which are fair, and July 17, 2014 to Nov. 26, 2014, which are poor. Turbidity records fair except Oct. 1-12, 2013, July 1-15, 2014, July 30, 2014 to Sep. 2, 2014, and Sep. 22, 2014 to Nov. 7, 2014, which are poor.

Jan. 23, 2015 to Dec. 8, 2015: Specific conductance records good except May 18-27, 2015 and July 21, 2015 to Oct. 27, 2015, which are fair. pH records good except May 8, 2015 and Aug. 31, 2015 to Sept. 27, 2015, and Oct. 2, 2015 to Oct. 27, 2015, which are fair, and Sept. 28 to Oct. 1, which are poor. Water temperature records good except July 21, 2015 to Sept. 9, 2015, which are fair and Sept. 28, 2015 to Oct. 1, 2015, which are poor. Dissolved oxygen records fair except Aug. 31 to Oct. 27, 2015, which are poor. Turbidity records fair except March 26 to Nov. 15, 2015, which are poor.

Dec. 9, 2015 to Oct. 31, 2016: Water temperature records good. Specific conductance records good. pH records good. Dissolved oxygen records fair except Dec. 9, 2015 to March 14, 2016 and July 20, 2016 to Aug. 18, 2016, which are poor. Turbidity records fair except Dec. 9, 2015 to July 20, 2016, which are poor.

Nov. 1, 2016 to Nov. 13, 2017: Water temperature records good except Aug. 29, 2017 to Nov. 13, 2017, which are fair.  Specific conductance records good except June 30, 2017 to July 11, 2017 and July 24, 2017  to Nov. 13, 2017, which are fair. pH records are good except for June 30, 2017 to Nov. 13, 2017, which are fair. Dissolved oxygen records are good except Oct. 31, 2016 to March 6, 2017, Apr. 18, 2017 to June 19, 2017, and Aug. 30, 2017 to Oct. 12, 2017, which are fair, and July 24, 2017 to Aug. 29, 2017, which are poor.  Turbidity records fair except Oct. 31, 2016 to Mar. 6, 2017 and Aug. 29, 2017 to Nov. 13, 2017, which are poor.

Nov. 14, 2017 to Nov. 13, 2018: Water temperature records good.  Specific conductance records good except May 24, 2018 to Aug. 21, 2018 and Sept. 12-25, 2018, which are poor. pH records good.  Dissolved oxygen records good except Dec. 22, 2017 to Jan. 26, 2018, which are fair.  Turbidity records good except July 20, 2018 to Sept. 12, 2018, which are fair, and Sept. 13, 2018 to Nov. 13, 2018, which are poor.

All Chlorophyll and Cyanobacteria records poor.

Water-quality and sediment sample data are available on NWISWEB (http://nwis.usgs.gov).

Record quality ratings may not be included in the water-year summary for approved records newer than 09/30/2018.  Record quality is still being rated internally. For questions about record quality ratings, please send email to gs-w-oh_NWISWeb_Data_Inquiries@usgs.gov.

WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1950 to 1976 (published as Maumee River at Waterville), 1976 to September 1991, Feb. 2011 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: May 1963 to September 1991, February 2011 to current year. pH: May 1963 to September 1991, February 2011 to current year. WATER TEMPERATURE: March 1950 to September 1991, February 2011 to current year. DISSOLVED OXYGEN: March 1963 to September 1991, February 2011 to current year. TURBIDITY: February 2011 to current year. Cyanobacteria (Cell/ml): April 2016 to Oct. 2017, seasonal.  Chlorophyll (ug/L): April 2016 to Oct. 2017, seasonal.  Phycocyanins fluoresce (RFU): August 2017 to current year, seasonal. Chlorophyll (RFU): August 2017 to current year, seasonal.
INSTRUMENTATION - Water-quality monitor. Electronic data logger set for 15-minute interval.
EXTREMES FOR PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: Maximum, 1,260 microsiemens, Feb. 16, 1977; minimum, 156 microsiemens, July 20, 1973. pH: Maximum, 11.4 units, Jan. 16, 1965, minimum, 5.0 units Nov. 24, 1968. WATER TEMPERATURE: Maximum, 34.0 °C, July 1, 1963; minimum, -0.1 °C, Feb. 1, 17, and 20, 2013. DISSOLVED OXYGEN: Maximum, > 20.0 mg/L, several days in water years 1980 thru 1990, Nov. 22, 2014, Dec. 28, 2017, several days in Jan. 2018, and Aug. 9, 2019; minimum, 0.3 mg/L, Nov. 10, 1965. TURBIDITY: Maximum, >1,000 FNU, Jan. 13, 2013; minimum, 2.4 FNU, Nov. 25, 2015.  CHLOROPHYLL (ug/L): Maximum, 148 ug/L, Aug. 11, 2017; minimum, 1.9 ug/L, July 12, 2016.  CHLOROPHYLL (RFU): Maximum, 21.5 RFU, July 31, 2018; minimum, 0.3 RFU, July 9, 2018.  CYANOBACTERIA (Cell/ml): Maximum, 59886 Cell/ml, Sept. 7, 2016; minimum, 1194 Cell/ml, June 2, 2016. PHYCOCYANINS FLUORESCE (RFU): Maximum, 64.8 RFU, July 21, 2018; minimum, 0.5 RFU, Apr. 25, 2018.