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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 legacy user interface will continue to function for several weeks. However, this user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  NWIS >  USGS-AR >  USGS-072632995

Lake Maumelle at Natural Steps (USGS-072632995) 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 Arkansas Water Science Center (identifier USGS-AR), has the name "Lake Maumelle at Natural Steps" and has the identifier USGS-072632995. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)11110207. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Pulaski County County, Arkansas at 34.86092316000000 degrees latitude and -92.5021032000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 10 seconds.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-072632995" 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, Cyanobacteria 2002 - 2022
Biological, Algae, Phytoplankton, Photosynthetic Pigments 1989 - 2022
Biological, Photosynthetic Pigments 1989 - 1995
Information 1989 - 2022
Inorganics, Major, Metals 1989 - 2009
Inorganics, Major, Non-metals 1989 - 2022
Inorganics, Minor, Metals 1989 - 2016
Inorganics, Minor, Non-metals 1989 - 2016
Microbiological 1989 - 2022
Nutrient 1989 - 2022
Organics, Other 1989 - 2022
Organics, PCBs 1989 - 1993
Organics, Pesticide 1989 - 2016
Physical 1989 - 2022
Stable Isotopes 2000 - 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 USGS-AR
OrganizationFormalName USGS Arkansas Water Science Center
MonitoringLocationIdentifier USGS-072632995
MonitoringLocationName Lake Maumelle at Natural Steps
MonitoringLocationTypeName Lake, Reservoir, Impoundment
HUCEightDigitCode 11110207
LatitudeMeasure 34.86092316000000
LongitudeMeasure -92.5021032000000
HorizontalAccuracyMeasure/MeasureValue 10
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 05
CountyCode 119
ProviderName NWIS