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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 >  21COL001 >  21COL001-7190

IOWA GULCH @ MT. SHERMAN TRAILHEAD (21COL001-7190) 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 Colorado Dept. of Public Health & Environment (identifier 21COL001), has the name "IOWA GULCH @ MT. SHERMAN TRAILHEAD" and has the identifier 21COL001-7190. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)11020001.

This site is located in Lake County County, Colorado at 39.2268333 degrees latitude and -106.1823300 degrees longitude using the datum NAD27. No horizontal location accuracy metadata is available. This site is at an elevation of 12122 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 "21COL001-7190" 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*
Inorganics, Major, Non-metals 2003 - 2004
Inorganics, Minor, Metals 2003 - 2004
Inorganics, Minor, Non-metals 2003 - 2004
Microbiological 2004 - 2004
Nutrient 2003 - 2004
Physical 2003 - 2004
Radiochemical 2003 - 2004
*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 21COL001
OrganizationFormalName Colorado Dept. of Public Health & Environment
MonitoringLocationIdentifier 21COL001-7190
MonitoringLocationName IOWA GULCH @ MT. SHERMAN TRAILHEAD
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText From Leadville, take Toledo Rd. and turn right. Continue on Toledo Rd. following signs to Mt. Sherman TH. Near the Black Cloud TP, the road with veer left (dirt road). Follow road until it ends. Sample alongside Rd.
HUCEightDigitCode 11020001
LatitudeMeasure 39.2268333
LongitudeMeasure -106.1823300
HorizontalCollectionMethodName GPS Code (Pseudo Range) Standard Position (SA Off)
HorizontalCoordinateReferenceSystemDatumName NAD27
VerticalMeasure/MeasureValue 12122
VerticalMeasure/MeasureUnitCode ft
VerticalCollectionMethodName GPS Code (Pseudo Range) Standard Position (SA Off)
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 08
CountyCode 065
ProviderName STORET