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Lk Conroe Site CC nr Conroe, TX (USGS-302323095341201) site data in the Water Quality Portal

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

This lake, reservoir, impoundment site, maintained by the USGS Texas Water Science Center (identifier USGS-TX), has the name "Lk Conroe Site CC nr Conroe, TX" and has the identifier USGS-302323095341201. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)12040101. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Montgomery County County, Texas at 30.38992859000000 degrees latitude and -95.5702213000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 5 seconds. The source map scale is 1:24000. This site is at an elevation of 0 feet and the accuracy of the elevation measurement, collected using the method "Reported method of determination." is 1 feet. The vertical coordinate reference system is NGVD29.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-302323095341201" 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, Algae, Phytoplankton 2015 - 2020
Biological, Fish 2015 - 2020
Information 1981 - 2023
Inorganics, Major, Non-metals 1973 - 2023
Organics, Other 2015 - 2020
Physical 1973 - 2023
*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 USGS-TX
OrganizationFormalName USGS Texas Water Science Center
MonitoringLocationIdentifier USGS-302323095341201
MonitoringLocationName Lk Conroe Site CC nr Conroe, TX
MonitoringLocationTypeName Lake, Reservoir, Impoundment
HUCEightDigitCode 12040101
LatitudeMeasure 30.38992859000000
LongitudeMeasure -95.5702213000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 5
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 0
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 1
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Reported method of determination.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 48
CountyCode 339
ProviderName NWIS