Beta

Thank you for trying the new WQX3.0 profiles. This website is a beta version of our future user interface. Additional profiles and site functionality are coming, so please visit this page often to see new and improved data offerings. Please be aware that this beta product may experience performance issues.
We appreciate your feedback and suggestions as you try these new services. Please contact us at WQX@epa.gov to provide your input.

WQP Home >  Providers >  STORET >  OARS >  OARS-RVM-0015

UMACO (OARS-RVM-0015) site data in the Water Quality Portal

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

This river/stream site, maintained by the OARS - For the Assabet Sudbury & Concord Rivers (Volunteer) (identifier OARS), has the name "UMACO" and has the identifier OARS-RVM-0015. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)01070005.

This site is located in Middlesex County County, Massachusetts at 42.6327412269 degrees latitude and -71.3035773447 degrees longitude using the datum WGS84. No horizontal location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "OARS-RVM-0015" 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*
Microbiological 2021 - 2021
Physical 2021 - 2021
*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 OARS
OrganizationFormalName OARS - For the Assabet Sudbury & Concord Rivers (Volunteer)
MonitoringLocationIdentifier OARS-RVM-0015
MonitoringLocationName UMACO
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 01070005
LatitudeMeasure 42.6327412269
LongitudeMeasure -71.3035773447
SourceMapScaleNumeric 2400
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 25
CountyCode 017
ProviderName STORET