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Logan River discharge, temperature, conductivity, and chemistry datasets

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Created: Jul 14, 2016 at 11:01 p.m.
Last updated: Jun 12, 2018 at 9:08 p.m.
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Sharing Status: Public
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This dataset contains discharge, temperature, conductivity, and ion concentration observations collected longitudinally along the Logan River. Data was collected at approximately 38 sites intermittently dispersed from the Mendon Road Aquatic Station to the Tony Grove Aquatic Station, including tributaries. Periodic data collection began in June of 2014 and continued through the summer of 2018. Measurements were made at each of the sites to capture pre/post snowmelt, summer (high ET), fall (low ET), and winter (Low ET) conditions. Discharge was measured using a SonTek Flow Tracker (velocity-area method). Temperature and conductivity were measured at each discharge site using the YSI 600 OMS. Ion samples were immediately filtered using either 0.7 um Whatman GF/F or 0.45 um Whatman Nylon Filters into acid-washed LDPE bottles and frozen (Chloride, Sulfate, Phosphate, Nitrate, Fluoride) or acidified with nitric acid (Sodium, Magnesium, Calcium, Potassium, Ammonium). All samples were transported via cooler to the lab where they were frozen until analysis. Samples were measured by ion chromatography on a Metrohm Compact IC. Standard curves were calibrated using independent NIST-traceable standards, and standards were run as unknowns to check analytical precision. GPS coordinates for each discharge site were recorded using a Garmin® GPSMAP 64. The purpose for these measurements is to determine areas of significant groundwater-surface water interaction.

Subject Keywords



Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Logan River Watershed
North Latitude
East Longitude
South Latitude
West Longitude


Additional Metadata

Name Value
Observed Variables discharge, temperature, conductivity, date, coordinates
Variable Description Water quality and quantity


Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Science Foundation iUTAH-innovative Urban Transitions and Aridregion Hydro-sustainability 1208732


People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Bethany Neilson Utah Water Research Laboratory

How to Cite

Neilson, B., M. Barnes, T. Stout, H. Tennant (2018). Logan River discharge, temperature, conductivity, and chemistry datasets, HydroShare,

This resource is shared under the Creative Commons Attribution CC BY.


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