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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 >  21HI >  21HI-000880

Y (21HI-000880) site data in the Water Quality Portal

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

This estuary site, maintained by the Hawaii Department of Health Clean Water Branch (identifier 21HI), has the name "Y" and has the identifier 21HI-000880.

This site is located in Kauai County County, Hawaii at 21.9500000000 degrees latitude and -159.3333333000 degrees longitude using the datum UNKWN. 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 "21HI-000880" 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, Photosynthetic Pigments 1982 - 1982
Information 1982 - 1982
Not Assigned 1982 - 1982
Nutrient 1982 - 1982
Physical 1982 - 1982
*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 21HI
OrganizationFormalName Hawaii Department of Health Clean Water Branch
MonitoringLocationIdentifier 21HI-000880
MonitoringLocationName Y
MonitoringLocationTypeName Estuary
MonitoringLocationDescriptionText NAWILIWILI BAY IS A WELL DEVELOPED BAY ESTUARY IN THE SOUTHEAST COAST OF KAUAI WHICH SERVES AS THE PRINCIPAL HARBOR FOR THE ISLAND. THE BAY LIES BETWEEN A RUGGED RIDGE COMPOSED OF THE ORIGINAL FLANK FLOWS OF THE KAUAI VOLCANO TO THE SOUTH AND GENTLY SLOPING POST EROSIONAL LAVAS TO THE NORTH. IT REPRESENTS THE DROWNED VALLEY THAT WAS FORMED BY THE CONFLUEN- CE, AT A LOWER STAND OF THE SEA, OF THE HULEIA, PUALI AND NAWILIWILI STREAMS. THE PRINCIPAL SUPPLY OF FRESH WATER IS FROM THE HULIEA STREAM. THERE ARE NO RECENT GAGE RECORDS OF THE STREAM, BUT FROM 1912 TO 1915 THE STREAM WAS GAGED AT 200 FT ALTITUDE WHICH INDICATE PRESENT DISCHARGE THROUGH THE ESTUARINE LOWER REACHES REASONABLY WELL. THE MAIN FLOW IN- DICATED WAS 14MGD, THE MEDIAN 6.5MGD AND THE MINIMUM NEARLY 3MGD. MIGRATED FROM LEGACY STORET AGENCY CODE (21HI ) ON 07-DEC-99 MAJOR BASIN NAME: KAUAI BASIN CODE: MINOR BASIN NAME: 1703 NAWILIWILI BA
LatitudeMeasure 21.9500000000
LongitudeMeasure -159.3333333000
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 15
CountyCode 007
ProviderName STORET