The geodetic vertical elevation (gage datum) for this gage will be updated on 9/1/2026. See https://www.usgs.gov/centers/pennsylvania-water-science-center/updating-pennsylvania-streamgage-datums for more information.

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Available data

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Continuous data

2 data types available - data from 1993-02-01 to 2026-08-15

Daily data

3 data types available - data from 1977-02-24 to 2026-08-13

Field measurements

2 data types available - data from 1977-02-24 to 2026-08-14

Discrete sample data

336 Observed properties (data types) available - with data from 1977-02-11 to 2026-03-17

2129 Sampling activities

Peak measurements

2 data types available - with data from 1978-01-26 to 2025-07-02

Statistical tables for select daily data types

3 data types available - data from 1977-02-24 to 2026-08-13

Location details and information

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Operated in cooperation with:

BIF III Holtwood, LLC

Pennsylvania Department of Environmental Protection, Bureau of Safe Drinking Water

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01576787	n/a
Location name	Pequea Creek at Martic Forge, PA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	39.9059340857525	n/a
Decimal longitude (WGS84)	-76.3282929803584	n/a
Latitude-longitude method	Interpolated from MAP.	M
Latitude-longitude accuracy	Unknown or unspecified.	U
District	Pennsylvania	42
State	Pennsylvania	42
County	Lancaster County	071
Country	United States of America	n/a
Altitude of gage/land surface	208.5 feet	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	2 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Lower Susquehanna	02050306
Drainage basin		n/a
Date of first construction		n/a
Drainage area	148 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	EST	n/a
Site honors Daylight Saving Time	Y	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

Monitoring location Pequea Creek at Martic Forge, PA - USGS-01576787