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Water-Year Summary for Site 01484272

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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.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • 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.)  

Water year 2020: 2019-10-01 to 2020-09-30

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USGS Water-Year Summary 2020
LOCATION - Lat 38°47'27.6", long 75°15'02.8" referenced to North American Datum of 1983, Sussex County, DE, Hydrologic Unit 02040207, on right bank at abandoned bridge abutment, just downstream of State Highway 1, 3.3 mi east of Milton, and 7.8 mi upstream of mouth.
PERIOD OF RECORD - SPECIFIC CONDUCTANCE: December 2016 to current year. WATER TEMPERATURE: December 2016 to current year. pH: December 2016 to current year. DISSOLVED OXYGEN: December 2016 to current year.
COOPERATION - Funding for water-quality data collection is provided by the Delaware Department of Natural Resources and Environmental Protection, and the United States Geological Survey.
INSTRUMENTATION - Multi-parameter water-quality monitor, December 2016 to current.

Water Years 2017-2019: Records good. Missing record due to periodic instrument malfunction and blow-out tides caused by heavy NW / WNW wind.

U.S. Geological Survey data-collection platform (DCP) at site.


DISSOLVED OXYGEN: Minimum: 0.4 mg/L on multiple days, first occurrence 8/22/17; Maximum: 16.6 mg/L on 09/12/19. 

TEMPERATURE: Minimum: -0.8°C on multiple days, first occurrence on 01/04/18; Maximum: 33°C on multiple days, first occurrence 7/21/19.

SPECIFIC CONDUCTANCE: Minimum: 134 microsiemens/cm, 03/05/19; Maximum: 41,900 microsiemens/cm on multiple days, first occurrence on 1/23/17.

pH: Minimum: 6.5 pH units on multiple days, first occurrence on 7/31/17; Maximum: 8.6 pH units on 05/12/20.