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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 >  21IOWA >  21IOWA-10480001

Iowa River at Marengo (21IOWA-10480001) 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 Iowa Dept. of Natural Resources (identifier 21IOWA), has the name "Iowa River at Marengo" and has the identifier 21IOWA-10480001. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)07080208.

This site is located in Iowa County County, Iowa at 41.8122000 degrees latitude and -92.0641000 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available. This site is at an elevation of 720 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 "21IOWA-10480001" 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*
Microbiological 2000 - 2000
Nutrient 2000 - 2000
Organics, Pesticide 2000 - 2000
Physical 2000 - 2000
*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 21IOWA
OrganizationFormalName Iowa Dept. of Natural Resources
MonitoringLocationIdentifier 21IOWA-10480001
MonitoringLocationName Iowa River at Marengo
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Bridge at County Road V66, 0.5 miles N of Marengo at USGS gage station.¶Intensive Monitoring 1999
HUCEightDigitCode 07080208
LatitudeMeasure 41.8122000
LongitudeMeasure -92.0641000
SourceMapScaleNumeric 000
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 720
VerticalMeasure/MeasureUnitCode ft
VerticalCollectionMethodName Topographic Map Interpolation
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 19
CountyCode 095
ProviderName STORET