Science & Technology

Resources on SF6 Alternatives

Links to the report titled Moving Toward SF6-Free High Voltage Circuit Breakers

2021 Human Health Benchmarks for Pesticides

2021 Human Health Benchmarks for Pesticides information on water contaminants' effects on human health, including documents and benchmarks for pesticides.

ATTAINS - How to Enter a TMDL Action

This explains how to create and enter a new TMDL Action in the ATTAINS User Interface.

ATTAINS - How To Rename a Parameter

This applies to cause parameter names that had been used in an earlier cycle that have since been retired.

ATTAINS-How to Apply TMDL Action to Assessments

This explains how to apply an Action to an Assessment.

ATTAINS Calculations of EPA IR Categories

This explains the data elements in ATTAINS that are used to calculate the EPA Integrated Reporting Category for Assessments.

How to Enter State Survey Results

This explains how to enter state statistical (probability) survey results in the ATTAINS User Interface.

How to Enter a Protection Action

This explains how to create and enter an Action that is part of a Protection Approach in the ATTAINS User Interface.

This document contains data validation rules, services and schema. The principle document which captures the detailed data exchange processing rules governing WQX using narrative text, diagrams and examples.

Water Quality Portal – Tools for Automated Data Analysis (TADA)

Information on the Water Quality Portal (WQP) TADA Tool for Automated Analysis

Fact Sheet: 2002 Impaired Waters Baseline National Geospatial Dataset

Fact Sheet: 303(d) Listed Impaired Waters State, Watershed and National Geospatial Datasets

Water Quality Standards Regulations: Leech Lake Band of Ojibwe

Information about water quality standards for the Leech Lake Band of Ojibwe.

Fact Sheet: The Impaired Waters with TMDLs National Geospatial Dataset

How's My Waterway Fact Sheet

Find out the condition of your local waters by entering a location.

Improving Accuracy and Reducing the Costs of Environmental Benefits Assessments, Volumes I-VII (1986-1987, 1993)

Series of EPA-funded research reports on improving estimation of economic benefits, using variety of methods tested on different environmental policy isses

WQX Web Application Programming Interface

EPA’s Water Quality eXchange team, the Chesapeake Bay Program, and EPA Contractor
Gold Systems have developed, tested, and utilized a new way to submit data to WQX and the
Water Quality Portal.

Ambient Water Quality Tools

Tools that track water quality data and their impacts to the environment and human health.

How to Add Cycle Documents and Submit a Cycle in ATTAINS

Training Document : How to Add Cycle Documents and Submit a Cycle in ATTAINS

WQX Web Account Registration

How to gain access to WQX Web.