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Water-Year Summary for Site 01482100

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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
00010 Temperature, water(Min.,Max.,Mean) [Sensor #2]  
00010 Temperature, water(Max.,Mean,Min.) [Sensor #1]  
00095 Specific cond at 25C(Mean,Min.,Max.) [Sensor #2]  
00095 Specific cond at 25C(Min.,Mean,Max.) [Sensor #1]  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00301 Diss oxygen,%saturtn(Max.,Min.,Mean)  
00301 Diss oxygen,%saturtn(Min.,Mean,Max.)  
72279 Tidal elev, NOS(Tid.,Tid.,Mean,Tid.,Tid.)  

Water year 2024: 2024-10-01 to 2025-09-30
 
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USGS Water-Year Summary 2024
01482100 Delaware River at Delaware Memorial Bridge at Wilmington, DE
LOCATION - Lat 39°41'21", long 75°31'19" referenced to North American Datum of 1927, New Castle, New Castle County, DE, Hydrologic Unit 02040204,
DRAINAGE AREA - 11,030 mi².  
SURFACE-WATER RECORDS
GAGE - Tide elevation with telemetry. Datum of gage is 0.00 ft NAVD of 1988.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 6.72 ft, Oct 29, 2021; minimum elevation, -4.84 ft, Feb 19, 2022
WATER-QUALITY RECORDS
EXTREMES FOR PERIOD OF RECORD -
Sublocation—Upper sensor
WATER TEMPERATURE: Maximum, 30.23 degC. On Jul 16, 2024; Minimum, 0.3 degC., occurring on February 1st, 2022 at 0836 EST with multiple occurrences.
SPECIFIC CONDUCTANCE: Maximum, 8450 us/cm, occurring on August 19th, 2022 at 1927 EST; Minimum, 132 us/cm, occurring on September 4th, 2021, at 0324 EST with multiple occurrences.
DISSOLVED OXYGEN: Maximum, 13.6 mg/L, on February 1st, 2022 at 1348 EST with multiple occurrences; minimum 4.2 mg/L, on August 25th, 2021 at 0930 EST with multiple occurrences.

 

Sublocation—Lower sensor
WATER TEMPERATURE: Maximum, 30.36 degC., on Jul 16, 2024; Minimum, 0.3 degC., occurring on February 01, 2022 at 0836 EST with multiple occurrences.
SPECIFIC CONDUCTANCE: Maximum: 8490 us/cm, occurring on August 23rd, 2022 at 2227 EST with multiple occurrences; Minimum, 113 us/cm, occurring on November 20th, 2021, at 0542 EST.
DISSOLVED OXYGEN: Maximum, 13.4 mg/L, on February 1st, 2022 at 1406 EST with multiple occurrences; minimum 4.2 mg/L, on August 25th, 2021 at 0942 EST.