Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

New WQX 3.0 profiles are available at waterqualitydata.us/beta/. These profiles will contain recent USGS data added since March 11, 2024, which marks the beginning of limited accessibility for USGS data. Read more about the 3.0 profiles and associated changes here.

This legacy user interface will continue to function for several weeks. However, this user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  NWIS >  USGS-NY >  USGS-01375000

CROTON R AT NEW CROTON DAM NR CROTON-ON-HUDSON NY (USGS-01375000) site data in the Water Quality Portal

Data Provider: NWIS (Learn more about Water Quality Portal Data Providers)

This stream site, maintained by the USGS New York Water Science Center (identifier USGS-NY), has the name "CROTON R AT NEW CROTON DAM NR CROTON-ON-HUDSON NY" and has the identifier USGS-01375000. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02030101. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 378 sq mi.

This site is located in Westchester County County, New York at 41.22502778000000 degrees latitude and -73.8588888900000 degrees longitude using the datum NAD83. The horizontal location collection method was "Differentially corrected Global Positioning System." and the accuracy is .1 seconds. The source map scale is 1:24000. This site is at an elevation of 43.12 feet and the accuracy of the elevation measurement, collected using the method "GNSS4 - Level 4 Quality Survey Grade Global Navigation Satellite System" is .01 feet. The vertical coordinate reference system is NAVD88.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-01375000" into the "Site ID" box under Site Parameters

What other monitoring locations are upstream or downstream from this one?

Upstream and downstream locations

This map shows all Water Quality Portal stations that are 10 miles upstream (dashed dark blue) and 10 miles downstream (solid light blue) of this monitoring location (indicated by the large blue circle). The upstream and downstream functionality is provided by the Network Linked Data Index.

When were data collected at this location?

Periods of record for data characteristic groups

For a more detailed breakdown of data, go to the Monitoring Report at the EPA How's My Waterway Application
Characteristic Group Date Range*
Biological, Algae, Phytoplankton 1997 - 1997
Information 1970 - 2001
Inorganics, Major, Metals 1970 - 1972
Inorganics, Major, Non-metals 1970 - 1992
Inorganics, Minor, Metals 1970 - 1972
Inorganics, Minor, Non-metals 1970 - 1970
Nutrient 1970 - 1972
Organics, Other 1970 - 2001
Organics, Pesticide 1970 - 2001
Physical 1970 - 2001
*Date ranges may contain gap years

What other information is available for this location?

Detailed Metadata

For the definitions of the metadata elements, please go to the Water Quality Portal user guide

Location Metadata Value
OrganizationIdentifier USGS-NY
OrganizationFormalName USGS New York Water Science Center
MonitoringLocationIdentifier USGS-01375000
MonitoringLocationName CROTON R AT NEW CROTON DAM NR CROTON-ON-HUDSON NY
MonitoringLocationTypeName Stream
HUCEightDigitCode 02030101
DrainageAreaMeasure/MeasureValue 378
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 41.22502778000000
LongitudeMeasure -73.8588888900000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue .1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Differentially corrected Global Positioning System.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 43.12
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .01
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName GNSS4 - Level 4 Quality Survey Grade Global Navigation Satellite System
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 36
CountyCode 119
ProviderName NWIS