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Related Experiment Video

Updated: May 30, 2026

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Published on: September 26, 2017

Data sources for an environmental quality index: availability, quality, and utility.

Danelle T Lobdell¹, Jyotsna S Jagai, Kristen Rappazzo

¹Office of Research and Development, US Environmental Protection Agency Research Triangle Park, NC 27711, USA. lobdell.danelle@epa.gov

American Journal of Public Health

|August 13, 2011

Summary

Developing an environmental quality index (EQI) involves identifying and assessing diverse data sources across five domains. This index can help explore environmental insults and human health disparities.

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Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

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Area of Science:

Environmental Science
Public Health
Data Science

Background:

An Environmental Quality Index (EQI) is being developed for U.S. counties to investigate links between environmental factors and human health.
The EQI aims to assist researchers studying health disparities by accounting for concurrent environmental conditions.

Purpose of the Study:

To identify and evaluate data sources for the comprehensive Environmental Quality Index (EQI).
To assess the strengths, limitations, and utility of potential data sources for the EQI.

Main Methods:

Five environmental domains were defined: air, water, land, built, and sociodemographic.
An extensive inventory of potential data sources was compiled and evaluated for spatial-temporal coverage and data quality.

Main Results:

Multiple data sources were identified across all five domains.
Specific numbers of data sources were selected for each domain: air (2), water (9), land (7), built environment (4), and sociodemographic (2).
Variations in data quality, geographic scope, and availability were noted among the selected sources.

Conclusions:

The identified data sources are valuable for researchers, advocates, and communities.
These resources can facilitate the exploration of specific environmental quality concerns and their health implications.