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1 data types available - data from 2009-10-01 to 2012-10-31

3 data types available - data from 1974-06-01 to 2026-07-27

240 Observed properties (data types) available - with data from 1974-07-03 to 2019-02-05

27 Sampling activities

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	393158076302601	n/a
Location name	HA Ca 23	n/a
Site type	Well	GW
Decimal latitude (WGS84)	39.533156	n/a
Decimal longitude (WGS84)	-76.506833	n/a
Latitude-longitude method	Differential Global Positioning System (DGPS)	D
Latitude-longitude accuracy	Accurate to + or - .01 sec (Differentially-Corrected GPS).	H
District	Maryland	24
State	Maryland	24
County	Harford County	025
Country	United States of America	n/a
Altitude of gage/land surface	473.57 feet	n/a
Method altitude determined	Differentially corrected Global Positioning System.	D
Altitude accuracy	0.01 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Gunpowder-Patapsco	02060003
Drainage basin		n/a
Date of first construction	1974	n/a
Drainage area		n/a
Contributing drainage area		n/a
Time zone abbreviation	EST	n/a
Site honors Daylight Saving Time	N	n/a
National aquifer	Piedmont and Blue Ridge crystalline-rock aquifers	N400PDMBRX
Local aquifer	Loch Raven Schist	370LCRV
Local aquifer type	Unconfined single aquifer	U
Well depth	200 feet	n/a
Hole depth	200 feet	n/a
Source of depth data	D	n/a