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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1960-04-26 1976-09-20
Inorganics, Major, Metals Water-quality 1960-04-26 1976-05-20
Inorganics, Major, Non-metals Water-quality 1960-04-26 1976-09-20
Inorganics, Minor, Non-metals Water-quality 1973-09-20 1973-09-20
Inorganics, Minor, metals Water-quality 1960-04-26 1976-05-20
Microbiological Water-quality 1962-07-16 1976-09-20
Nutrient Water-quality 1960-04-26 1976-09-20
Organics, other Water-quality 1973-07-10 1975-10-16
Physical Daily Values, Unit Values, Water-quality 1945-10-01 2024-11-21
Radiochemistry Water-quality 1964-03-24 1971-02-04
Sediment Water-quality 1967-12-13 1969-03-27
n/a Peak Measurements 1935-07-09 2023-07-09
n/a Site Visits 1945-09-18 2024-10-22
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 01451500 is associated with a Stream in Lehigh County, Pennsylvania. Current conditions of Discharge, Gage height, Specific conductance, and more are available. Water data back to 1935 are available online.

Prior to October 14, 2013, gage included masonry control. Low-flow gage heights will be about 2 ft less than pre-Oct, 14 2013 levels. Occasional slight regulation at low stages by fish hatchery upstream.
Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01451500 n/a
Site name
Little Lehigh Creek near Allentown, PA n/a
Site type
Stream
ST
DMS latitude 403456 n/a
DMS longitude 0752900 n/a
Decimal latitude 40.5823197 n/a
Decimal longitude -75.48296088 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Pennsylvania 42
State
Pennsylvania 42
County
Lehigh County 077
Country US n/a
Land net location description n/a
Name of location map n/a
Scale of location map n/a
Altitude of Gage/land surface 252.71 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .01 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Lehigh 02040106
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNYNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 194510 n/a
Drainage area
80.8 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

Operated in cooperation with:

logo for Pennsylvania Department of Environmental Protection, Bureau of Safe Drinking Water
Pennsylvania Department of Environmental Protection, Bureau of Safe Drinking Water
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds
logo for USGS - Next Generation Water Observing System
USGS - Next Generation Water Observing System