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 >  STORET >  21AQ_WQX >  21AQ_WQX-R04

EAST HARBOR DOCK (21AQ_WQX-R04) site data in the Water Quality Portal

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

This beach program site-ocean site, maintained by the CNMI DIVISION OF ENVIRONMENTAL QUALITY (identifier 21AQ_WQX), has the name "EAST HARBOR DOCK" and has the identifier 21AQ_WQX-R04.

This site is located in Rota Municipality County, Northern Mariana Islands at 14.1394040000 degrees latitude and 145.1438330000 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 "21AQ_WQX-R04" 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 2020 - 2021
Microbiological 2017 - 2021
Not Assigned 2020 - 2021
Nutrient 2020 - 2021
Physical 2017 - 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 21AQ_WQX
OrganizationFormalName CNMI DIVISION OF ENVIRONMENTAL QUALITY
MonitoringLocationIdentifier 21AQ_WQX-R04
MonitoringLocationName EAST HARBOR DOCK
MonitoringLocationTypeName BEACH Program Site-Ocean
MonitoringLocationDescriptionText General Station
LatitudeMeasure 14.1394040000
LongitudeMeasure 145.1438330000
SourceMapScaleNumeric 12500
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 69
CountyCode 100
ProviderName STORET