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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 user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  HI301H_WQX >  HI301H_WQX-SI-EFF

Sand Island WWTP Effluent Outfall (HI301H_WQX-SI-EFF) site data in the Water Quality Portal

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

This facility municipal sewage (potw) site, maintained by the City and county of Honolulu (identifier HI301H_WQX), has the name "Sand Island WWTP Effluent Outfall" and has the identifier HI301H_WQX-SI-EFF. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)20060000.

This site is located in Honolulu County County, Hawaii at 21.2836111000 degrees latitude and -157.9066666000 degrees longitude using the datum NAD83. 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 "HI301H_WQX-SI-EFF" 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 2009 - 2014
Inorganics, Minor, Metals 2009 - 2014
Inorganics, Minor, Non-metals 2009 - 2014
Microbiological 2009 - 2014
Not Assigned 2009 - 2014
Nutrient 2009 - 2014
Organics, BDEs 2009 - 2014
Organics, Other 2009 - 2014
Organics, PCBs 2009 - 2014
Organics, Pesticide 2009 - 2014
Physical 2009 - 2014
Stable Isotopes 2009 - 2014
Toxicity 2009 - 2013
*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 HI301H_WQX
OrganizationFormalName City and county of Honolulu
MonitoringLocationIdentifier HI301H_WQX-SI-EFF
MonitoringLocationName Sand Island WWTP Effluent Outfall
MonitoringLocationTypeName Facility Municipal Sewage (POTW)
HUCEightDigitCode 20060000
LatitudeMeasure 21.2836111000
LongitudeMeasure -157.9066666000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 15
CountyCode 003
ProviderName STORET