USGS Water-Year Summary for Site 01484272

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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.)

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

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USGS Water-Year Summary 2020

01484272 BROADKILL RIVER NEAR MILTON, DE

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.

WATER-QUALITY RECORDS

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.

REMARKS -

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.

EXTREMES FOR PERIOD OF RECORD -

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.