USGS Water-Year Summary 2021
01482170 DELAWARE RIVER AT NEW CASTLE, DE
LOCATION - Lat 39°39'05.04", long 75°35'12.67" referenced to North American Datum of 1983, New Castle County, DE, Hydrologic Unit 02040205, at mouth of Army Creek, on river side of tidal gate.
DRAINAGE AREA - Not determined.
- https://waterdata.usgs.gov/nwis/dv/?site_no=01482170: 2015.
PERIOD OF RECORD - April 2012 to current year.
GAGE - Water-stage recorder. Datum of gage is 0.00 ft above North American Vertical Datum of 1988. Prior to July 10, 2019, at site 1.4 mi northeast from current location, on right bank at end of pier in Battery Park, 250 ft downstream from end of Delaware Ave.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 7.2 ft, October 30, 2012 (from high-water marks), minimum elevation, unknown.