USGS Water-Year Summary 2021
01484540 INDIAN RIVER AT ROSEDALE BEACH, DE
LOCATION - Lat 38°35'29.5", long 75°12'41.7" referenced to North American Datum of 1983, Sussex County, DE, Hydrologic Unit 02040303, on left bank attached to a privately-owned fishing pier, at Seals Point, 1.9 mi west of Oak Orchard.
DRAINAGE AREA - Not determined.
PERIOD OF RECORD - April 1991 to current year.
GAGE - Water-stage recorder. Datum of gage is 0.00 ft above North American Vertical Datum of 1988. Prior to October 1, 2014, at datum 0.78 ft higher (0.00 ft above NGVD29).
EXTREMES OUTSIDE PERIOD OF RECORD - Storm of March 1962 reached an elevation of 6.73 ft, NGVD29 (5.95 ft, NAVD88), from floodmark.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 6.99 ft, NGVD29 (6.21 ft, NAVD88), Feb. 5, 1998; minimum elevation, -3.53 ft, NAVD88, March 15, 2017.