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-MA >  USGS-422440072061201

MA-A2Z 01 (USGS-422440072061201) site data in the Water Quality Portal

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

This lake, reservoir, impoundment site, maintained by the USGS Massachusetts Water Science Center (identifier USGS-MA), has the name "MA-A2Z 01" and has the identifier USGS-422440072061201. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)01080204. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Worcester County County, Massachusetts at 42.41136110000000 degrees latitude and -72.1034972000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)" and the accuracy is 1 seconds.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-422440072061201" 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*
Information 2004 - 2004
Organics, Other 2004 - 2004
Organics, PCBs 2004 - 2004
Organics, Pesticide 2004 - 2004
Radiochemical 2004 - 2004
*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-MA
OrganizationFormalName USGS Massachusetts Water Science Center
MonitoringLocationIdentifier USGS-422440072061201
MonitoringLocationName MA-A2Z 01
MonitoringLocationTypeName Lake, Reservoir, Impoundment
HUCEightDigitCode 01080204
LatitudeMeasure 42.41136110000000
LongitudeMeasure -72.1034972000000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 25
CountyCode 027
ProviderName NWIS