Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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-GRSA_3P_1

Medano Lake (11NPSWRD_WQX-GRSA_3P_1) site data in the Water Quality Portal

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

This lake site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "Medano Lake" and has the identifier 11NPSWRD_WQX-GRSA_3P_1. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)13010003.

This site is located in Saguache County County, Colorado at 37.8562900000 degrees latitude and -105.4848200000 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 "11NPSWRD_WQX-GRSA_3P_1" 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*
Organics, Other 2009 - 2009
Organics, Pesticide 2009 - 2009
PFAS,Perfluorinated Alkyl Substance 2009 - 2009
*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-GRSA_3P_1
MonitoringLocationName Medano Lake
MonitoringLocationTypeName Lake
MonitoringLocationDescriptionText This station is at Medano Lake. This is an approximate location with the coordinates at the center of the lake. This station has an additional ID from USGS-NWIS of 375123105290501 with the station name of Medano Lake in Great Sand Dunes National Park, CO.
HUCEightDigitCode 13010003
LatitudeMeasure 37.8562900000
LongitudeMeasure -105.4848200000
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Digital Map Source (Tiger)
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 08
CountyCode 109
ProviderName STORET