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North Fork Nehalem River at Mcdonald Road Bridge (TILLAMOOK_EP-12866-ORDEQ) site data in the Water Quality Portal

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

This estuary site, maintained by the Tillamook Estuaries Partnership (identifier TILLAMOOK_EP), has the name "North Fork Nehalem River at Mcdonald Road Bridge" and has the identifier TILLAMOOK_EP-12866-ORDEQ. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)17100202.

This site is located in Tillamook County County, Oregon at 45.7337949700 degrees latitude and -123.8760983000 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 "TILLAMOOK_EP-12866-ORDEQ" 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*
Microbiological 2016 - 2021
*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 TILLAMOOK_EP
OrganizationFormalName Tillamook Estuaries Partnership
MonitoringLocationIdentifier TILLAMOOK_EP-12866-ORDEQ
MonitoringLocationName North Fork Nehalem River at Mcdonald Road Bridge
MonitoringLocationTypeName Estuary
HUCEightDigitCode 17100202
LatitudeMeasure 45.7337949700
LongitudeMeasure -123.8760983000
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 41
CountyCode 057
ProviderName STORET