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WQP Home >  Providers >  STORET >  SDDENR_WQX >  SDDENR_WQX-SWLAZZZ9221C

SWLAZZZ9221C (SDDENR_WQX-SWLAZZZ9221C) site data in the Water Quality Portal

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

This reservoir site, maintained by the South Dakota Department of Environment and Natural Resources (identifier SDDENR_WQX), has the name "SWLAZZZ9221C" and has the identifier SDDENR_WQX-SWLAZZZ9221C. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10120111.

This site is located in Pennington County County, South Dakota at 44.1061530000 degrees latitude and -102.8412520000 degrees longitude using the datum NAD27. 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 "SDDENR_WQX-SWLAZZZ9221C" 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*
Information 2013 - 2013
Physical 2013 - 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 SDDENR_WQX
OrganizationFormalName South Dakota Department of Environment and Natural Resources
MonitoringLocationIdentifier SDDENR_WQX-SWLAZZZ9221C
MonitoringLocationName SWLAZZZ9221C
MonitoringLocationTypeName Reservoir
MonitoringLocationDescriptionText 9221
HUCEightDigitCode 10120111
LatitudeMeasure 44.1061530000
LongitudeMeasure -102.8412520000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 46
CountyCode 103
ProviderName STORET