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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-000680

KAHULUI BAY (21HI-000680) 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 "KAHULUI BAY" and has the identifier 21HI-000680.

This site is located in Maui County County, Hawaii at 20.9000000000 degrees latitude and -156.4666667000 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-000680" 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 1983 - 1997
Information 1983 - 1990
Inorganics, Major, Non-metals 1990 - 1994
Microbiological 1983 - 1989
Not Assigned 1983 - 1997
Nutrient 1983 - 1997
Organics, Other 1990 - 1994
Physical 1983 - 1997
*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-000680
MonitoringLocationName KAHULUI BAY
MonitoringLocationTypeName Estuary
MonitoringLocationDescriptionText 000860 KAHULUI BAY CLASS A COASTAL REENTRANT OCEAN SOME FRESH WATER SEEPAGE BUT NO SIGNIFICANT STREAM OR SPRING DISCHARGE KNOWN. BREAKWATERS ON EACH SIDE OF BAY PROTECTS KAHULUI HARBOR. SANITARY SEWAGE OUTFALLS OUTSIDE OF THE HARBOR, AT BASE OF EAST BREAKWATER AND QUARTER MILE OF THE WEST BREAKWATER. THERMAL POWER PLANT DISCHARGE (MAUI ELECTRIC CO.) AT SEA SURFACE OUTSIDE THE HARBOR. SOME PROCESSED WASTEWATER FROM PINEAPPLE CANNERY (MAUI PINE- APPLE CO.) DISCHARGED THRU SEWER OUTFALLS. MIGRATED FROM LEGACY STORET AGENCY CODE (21HI ) ON 07-DEC-99 MAJOR BASIN NAME: MAUI BASIN CODE: MINOR BASIN NAME: KAHULUI
LatitudeMeasure 20.9000000000
LongitudeMeasure -156.4666667000
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 15
CountyCode 009
ProviderName STORET