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Water-Year Summary for Site 01304562

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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.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
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  • Not all sites have reports available for every water year.
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.)  
32316 fChl, water, in situ(Max.,Min.,Mean)  
62361 Chlorophyll, in situ(Max.,Min.,Mean)  
62619 Elevation, ocean/est(Mean,Tid.,Tid.,Tid.,Tid.)  
63680 Turbidity, Form Neph(Min.,Mean,Max.)  
63680 Turbidity, Form Neph(Max.,Min.,Mean) [(2)]  
90860 Salinity, at 25C(Max.,Min.,Mean)  
99137 Nitrate, in situ(Max.,Min.,Mean)  

Water year 2024: 2024-10-01 to 2025-09-30
 
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USGS Water-Year Summary 2024
01304562 PECONIC RIVER AT COUNTY HIGHWAY 105 AT RIVERHEAD, NY
LOCATION - Lat 40°55'04.0", long 72°38'19.2" referenced to North American Datum of 1983, Suffolk County, NY, Hydrologic Unit 02030202, at County Road 105 bridge, in Riverhead.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 2012 to current year.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929.
REMARKS - ELEVATION - Satellite elevation telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD - Storm tide of Dec. 11, 1992, reached an elevation of 8.2 ft, from high-water mark at site 1.7 mi northeast.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 8.56 ft, Oct. 29, 2012; minimum elevation, -3.59 ft, Jan. 5, 2018.
WATER-QUALITY RECORDS
PERIOD OF RECORD - August 2012 to current year.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: August 2012 to current year. SALINITY: August 2012 to current year. DISSOLVED OXYGEN: August 2012 to current year. TURBIDITY: August 2012 to current year. CHLOROPHYLL: August 2012 to current year. NITRATE: August 2012 to August 2020. pH: June 2017 to current year.
INSTRUMENTATION - Water-quality monitor provides 6-minute-interval readings collected from 1.6 ft above bottom. Salinity record computed from specific-conductance readings.
REMARKS - Satellite telemeter for water temperature, specific conductance, dissolved oxygen, pH, turbidity, and chlorophyll parameters at station.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 30.4 °C, July 18, 19, and 20, 2013; minimum, -1.6 °C, Jan. 30, 2022. SALINITY: Maximum, 30.0 psu, Dec. 27, 2022; minimum, 11.4 psu, Jan. 9, 2020. DISSOLVED OXYGEN: Maximum, 18.0 mg/L, Mar. 22, 2021; minimum, 0.0 mg/L, several days in July 2023, June 24, 2024. pH: Maximum, 8.6 pH units, Dec. 17, 2020, Jan. 16, 19, Mar. 11, 2022; minimum, 6.6 pH units, Apr. 8, 2020.  TURBIDITY: Maximum, 630 FNU, Oct. 14, 2013; minimum, <0.1 FNU, many days. CHLOROPHYLL: Maximum, 500 ug/L, Sept. 29, 2012; minimum, <0.1 ug/L, June 4, 2016. NITRATE: Maximum, 0.77mg/L, July 12, 2014; minimum, <0.01 mg/L, many days.