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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 user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  11NPSWRD_WQX >  11NPSWRD_WQX-OZAR_SP_LGRAS1

Lower Grassy Spring 1 (C-512) (11NPSWRD_WQX-OZAR_SP_LGRAS1) site data in the Water Quality Portal

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

This spring site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "Lower Grassy Spring 1 (C-512)" and has the identifier 11NPSWRD_WQX-OZAR_SP_LGRAS1. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)11010008.

This site is located in Shannon County County, Missouri at 37.2459444400 degrees latitude and -91.3573888900 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available. This site is at an elevation of 680 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 "11NPSWRD_WQX-OZAR_SP_LGRAS1" 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 2009 - 2014
Nutrient 2009 - 2011
Physical 2009 - 2014
*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 11NPSWRD_WQX
OrganizationFormalName National Park Service Water Resources Division
MonitoringLocationIdentifier 11NPSWRD_WQX-OZAR_SP_LGRAS1
MonitoringLocationName Lower Grassy Spring 1 (C-512)
MonitoringLocationTypeName Spring
MonitoringLocationDescriptionText Substantial spring bubbling out of ground into a 40 ft X 40 ft pool. Cut barrel in the bottom center of pool. Long (50+ m) spring branch with good flow. Water sample taken approximately 3m downstream of barrel (upstream of log). Discharge estimated approximately 4 m downstream of barrel (downstream of log). UTM Easting: 645686 Northing: 4123421
HUCEightDigitCode 11010008
LatitudeMeasure 37.2459444400
LongitudeMeasure -91.3573888900
HorizontalCollectionMethodName GPS Code (Pseudo Range) Standard Position (SA Off)
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 680
VerticalMeasure/MeasureUnitCode ft
VerticalCollectionMethodName GPS Code (Pseudo Range) Standard Position (SA Off)
VerticalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 29
CountyCode 203
ProviderName STORET