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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 1979-01-23 2003-10-30
Inorganics, Major, Metals Water-quality 1967-05-19 2003-10-30
Inorganics, Major, Non-metals Water-quality 1963-06-27 2003-10-30
Inorganics, Minor, Non-metals Water-quality 1979-06-13 2003-10-30
Inorganics, Minor, metals Water-quality 1963-06-27 2003-10-30
Microbiological Water-quality 1979-01-23 1997-08-13
Nutrient Water-quality 1967-05-19 1997-08-13
Organics, PCBs Water-quality 1979-09-19 1992-10-27
Organics, other Water-quality 1979-01-23 1997-08-13
Organics, pesticide Water-quality 1979-09-19 1992-10-27
Physical Daily Values, Unit Values, Water-quality 1963-06-27 2024-11-25
Radiochemistry Water-quality 1981-02-05 1981-08-10
Sediment Water-quality 1978-10-17 1994-08-23
n/a Peak Measurements 1971-08-28 2023-05-01
n/a Site Visits 1971-08-29 2024-11-18
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 01463620 is associated with a Stream in Mercer County, New Jersey. Current conditions of Discharge and Gage height are available. Water data back to 1963 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01463620 n/a
Site name
Assunpink Creek near Clarksville NJ n/a
Site type
Stream
ST
DMS latitude 401611 n/a
DMS longitude 0744019 n/a
Decimal latitude 40.2697222 n/a
Decimal longitude -74.6719444 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 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
New Jersey 34
State
New Jersey 34
County
Mercer County 021
Country US n/a
Land net location description Lawrence Township n/a
Name of location map Princeton n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 49.28 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .01 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
Middle Delaware-Musconetcong 02040105
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site YNNNYNYNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
34.3 square miles n/a
Contributing drainage area 34.30 square miles 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 Mercer County Park Commission
Mercer County Park Commission
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds