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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-000659

MAALAEA SMALL BOAT HARBOR (21HI-000659) site data in the Water Quality Portal

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

This ocean site, maintained by the Hawaii Department of Health Clean Water Branch (identifier 21HI), has the name "MAALAEA SMALL BOAT HARBOR" and has the identifier 21HI-000659. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)20020000.

This site is located in Maui County County, Hawaii at 20.7936111000 degrees latitude and -156.5158333000 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-000659" 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 1990 - 1997
Inorganics, Major, Non-metals 1990 - 1994
Microbiological 1973 - 2004
Not Assigned 1973 - 1997
Nutrient 1973 - 1997
Organics, Other 1990 - 1994
Physical 1973 - 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 21HI
OrganizationFormalName Hawaii Department of Health Clean Water Branch
MonitoringLocationIdentifier 21HI-000659
MonitoringLocationName MAALAEA SMALL BOAT HARBOR
MonitoringLocationTypeName Ocean
MonitoringLocationDescriptionText 000659 MAALAEA SMALL BOAT HARBOR MAUI MAALAEA HONOAPIILANI HWY. SMALL BOAT HARBOR B B2-M C4-Y MIGRATED FROM LEGACY STORET AGENCY CODE (21HI ) ON 07-DEC-99 MAJOR BASIN NAME: MAUI BASIN CODE: MINOR BASIN NAME: MAALAEA
HUCEightDigitCode 20020000
LatitudeMeasure 20.7936111000
LongitudeMeasure -156.5158333000
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 15
CountyCode 009
ProviderName STORET