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WQP Home >  Providers >  STORET >  IWLA >  IWLA-CWH56

IWLA National Headquarters - Training Site (IWLA-CWH56) site data in the Water Quality Portal

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

This river/stream site, maintained by the Izaak Walton League of America (identifier IWLA), has the name "IWLA National Headquarters - Training Site" and has the identifier IWLA-CWH56. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02070008.

This site is located in Montgomery County County, Maryland at 39.1195893320 degrees latitude and -77.2196134831 degrees longitude using the datum WGS84. 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 "IWLA-CWH56" 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 February, 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, Counts 2007 - 2019
Inorganics, Major, Non-metals 2017 - 2019
Nutrient 2017 - 2019
Physical 2017 - 2019
*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 IWLA
OrganizationFormalName Izaak Walton League of America
MonitoringLocationIdentifier IWLA-CWH56
MonitoringLocationName IWLA National Headquarters - Training Site
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 02070008
LatitudeMeasure 39.1195893320
LongitudeMeasure -77.2196134831
SourceMapScaleNumeric 4000
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 24
CountyCode 031
ProviderName STORET