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WQP Home >  Providers >  NWIS >  USGS-OR >  USGS-14182500

LITTLE NORTH SANTIAM RIVER NEAR MEHAMA, OR (USGS-14182500) site data in the Water Quality Portal

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

This stream site, maintained by the USGS Oregon Water Science Center (identifier USGS-OR), has the name "LITTLE NORTH SANTIAM RIVER NEAR MEHAMA, OR" and has the identifier USGS-14182500. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)17090005. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 112 sq mi.

This site is located in Marion County County, Oregon at 44.79151080000000 degrees latitude and -122.5789738000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 1 seconds. This site is at an elevation of 655.41 feet and the accuracy of the elevation measurement, collected using the method "Interpolated from topographic map." is 10 feet. The vertical coordinate reference system is NGVD29.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-14182500" 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.

Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed July 22, 2025.

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 2021 - 2021
Information 2020 - 2024
Inorganics, Major, Metals 2020 - 2023
Inorganics, Major, Non-metals 2020 - 2024
Inorganics, Minor, Metals 2020 - 2023
Inorganics, Minor, Non-metals 1999 - 2020
Nutrient 2020 - 2023
Organics, Other 2020 - 2023
Physical 1998 - 2024
Sediment 1998 - 2023
Stable Isotopes 2021 - 2022
*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 USGS-OR
OrganizationFormalName USGS Oregon Water Science Center
MonitoringLocationIdentifier USGS-14182500
MonitoringLocationName LITTLE NORTH SANTIAM RIVER NEAR MEHAMA, OR
MonitoringLocationTypeName Stream
HUCEightDigitCode 17090005
DrainageAreaMeasure/MeasureValue 112
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 44.79151080000000
LongitudeMeasure -122.5789738000000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 655.41
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 10
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Interpolated from topographic map.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 41
CountyCode 047
ProviderName NWIS