Gunpowder Falls Near Parkton, MD - 01581920

Datum of gage above NAVD88 will be updated from 355.43 ft to 349.61 ft on August 26, 2025. The local gage datum will remain the same.

Important Legacy real-time page

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Site identification number	01581920	_n/a
Site name	GUNPOWDER FALLS NEAR PARKTON, MD	_n/a
Site type	Stream	ST
DMS latitude	393708.6	_n/a
DMS longitude	0764125.3	_n/a
Decimal latitude	39.61905556	_n/a
Decimal longitude	-76.6903611	_n/a
Latitude-longitude method	Interpolated from Digital MAP.	N
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
Latitude-longitude datum	North American Datum of 1983	NAD83
Decimal Latitude-longitude datum	North American Datum of 1983	NAD83
District	Maryland	24
State	Maryland	24
County	Baltimore County	005
Country	US	_n/a
Land net location description		_n/a
Name of location map	HEREFORD, MD	_n/a
Scale of location map	24000	_n/a
Altitude of Gage/land surface	355.43 feet	_n/a
Method altitude determined	Differentially corrected Global Positioning System.	D
Altitude accuracy	.01 feet	_n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Gunpowder-Patapsco	02060003
Drainage basin		_n/a
Topographic setting		_n/a
Flags for instruments at site	YNNNYNNNNYNNNNNNNNNNNNNNNNNNNN	_n/a
Date of first construction		_n/a
Date site established or inventoried		_n/a
Drainage area	81.5 square miles	_n/a
Contributing drainage area		_n/a
Time Zone abbreviation	EST	_n/a
Site honors Daylight Saving Time	Y	_n/a
Data reliability		_n/a
Data-other GW files	NNNNNNNN	_n/a
National aquifer		_n/a
Local aquifer		_n/a
Local aquifer type		_n/a
Well depth		_n/a
Hole depth		_n/a
Source of depth data		_n/a
Project number		_n/a

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