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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 >  MRSENVMB >  MRSENVMB-WQ12

Onshore Midfield (MRSENVMB-WQ12) site data in the Water Quality Portal

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

This ocean site, maintained by the Marine Research (identifier MRSENVMB), has the name "Onshore Midfield" and has the identifier MRSENVMB-WQ12. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)18060006.

This site is located in San Luis Obispo County County, California at 35.3866499 degrees latitude and -120.8739666 degrees longitude using the datum WGS84. No horizontal location accuracy metadata is available. This site is at an elevation of 0 ft No vertical location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "MRSENVMB-WQ12" 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 2003 - 2009
Physical 2003 - 2009
*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 MRSENVMB
OrganizationFormalName Marine Research
MonitoringLocationIdentifier MRSENVMB-WQ12
MonitoringLocationName Onshore Midfield
MonitoringLocationTypeName Ocean
HUCEightDigitCode 18060006
LatitudeMeasure 35.3866499
LongitudeMeasure -120.8739666
HorizontalCollectionMethodName GPS Code (Pseudo Range) Differential
HorizontalCoordinateReferenceSystemDatumName WGS84
VerticalMeasure/MeasureValue 0
VerticalMeasure/MeasureUnitCode ft
VerticalCoordinateReferenceSystemDatumName Unknown
CountryCode US
StateCode 06
CountyCode 079
ProviderName STORET