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.

WQP Home >  Providers >  STORET >  COEOMAHA_WQX >  COEOMAHA_WQX-HOLLKMLS1

HOLLKMLS1 (COEOMAHA_WQX-HOLLKMLS1) site data in the Water Quality Portal

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

This reservoir site, maintained by the US Army Corps of Engineers Omaha District (identifier COEOMAHA_WQX), has the name "HOLLKMLS1" and has the identifier COEOMAHA_WQX-HOLLKMLS1. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10200203.

This site is located in Lancaster County County, Nebraska at 40.7757200000 degrees latitude and -96.6390300000 degrees longitude using the datum NAD27. 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 "COEOMAHA_WQX-HOLLKMLS1" 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*
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2007 - 2020
Cyanotoxins, Phytotoxins 2006 - 2006
Information 1999 - 2020
Organics, Pesticide 2006 - 2006
Physical 1999 - 2020
*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 COEOMAHA_WQX
OrganizationFormalName US Army Corps of Engineers Omaha District
MonitoringLocationIdentifier COEOMAHA_WQX-HOLLKMLS1
MonitoringLocationName HOLLKMLS1
MonitoringLocationTypeName Reservoir
MonitoringLocationDescriptionText South Arm - taken about 100m from the dock in the center of the south arm f the lake, in about 1-3m of water
HUCEightDigitCode 10200203
LatitudeMeasure 40.7757200000
LongitudeMeasure -96.6390300000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 31
CountyCode 109
ProviderName STORET