Available data

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1 data types available - data from 2007-10-01 to 2026-08-07

1 data types available - data from 1971-01-14 to 2026-08-05

3 data types available - data from 1958-07-01 to 2026-05-26

73 Observed properties (data types) available - with data from 1973-11-18 to 1975-10-03

9 Sampling activities

1 data types available - data from 1987-09-30 to 2026-08-05

Prior to Mar. 18, 1981, top of casing, 1.45 ft above land-surface datum.

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	403429075392401	n/a
Location name	LE 644 Lehigh County Observation Well	n/a
Site type	Well	GW
Decimal latitude (WGS84)	40.5751111111111	n/a
Decimal longitude (WGS84)	-75.6562222222222	n/a
Latitude-longitude method	Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)	G
Latitude-longitude accuracy	Accurate to + or - .1 sec (Differentially-Corrected GPS).	1
District	Pennsylvania	42
State	Pennsylvania	42
County	Lehigh County	077
Country	United States of America	n/a
Altitude of gage/land surface	473 feet	n/a
Method altitude determined	Light Detection And Ranging, airplane	J
Altitude accuracy	1 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Lehigh	02040106
Drainage basin		n/a
Date of first construction	19580101	n/a
Drainage area		n/a
Contributing drainage area		n/a
Time zone abbreviation	EST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer	Valley and Ridge aquifers	N500VLYRDG
Local aquifer	Beekmantown Group	364BKMN
Local aquifer type	Unconfined single aquifer	U
Well depth	184 feet	n/a
Hole depth		n/a
Source of depth data		n/a