WQP Home >  Providers >  STORET >  EPA_R7_WQX >  EPA_R7_WQX-Challkrock Reservoir - NE of Crofton,NE

Challkrock Reservoir - NE of Crofton,NE (EPA_R7_WQX-Challkrock Reservoir - NE of Crofton,NE) site data in the Water Quality Portal

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

This reservoir site, maintained by the EPA R7 (identifier EPA_R7_WQX), has the name "Challkrock Reservoir - NE of Crofton,NE" and has the identifier EPA_R7_WQX-Challkrock Reservoir - NE of Crofton,NE. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10170101.

This site is located in Cedar County County, Nebraska at 42.7989700000 degrees latitude and -97.3748500000 degrees longitude using the datum NAD83. 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 "EPA_R7_WQX-Challkrock Reservoir - NE of Crofton,NE" 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, Minor, Metals 2010 - 2016
Inorganics, Minor, Non-metals 2010 - 2010
Not Assigned 2010 - 2010
Organics, PCBs 2010 - 2010
Organics, Pesticide 2010 - 2010
*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 EPA_R7_WQX
OrganizationFormalName EPA R7
MonitoringLocationIdentifier EPA_R7_WQX-Challkrock Reservoir - NE of Crofton,NE
MonitoringLocationName Challkrock Reservoir - NE of Crofton,NE
MonitoringLocationTypeName Reservoir
HUCEightDigitCode 10170101
LatitudeMeasure 42.7989700000
LongitudeMeasure -97.3748500000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 31
CountyCode 027
ProviderName STORET