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STOrage and RETrieval and Water Quality eXchange Domain Services and Downloads

On this page:WQX Domain Value Services and DownloadsSTORET Warehouse Domain Value DownloadsGetDomainValuesWQX Domain Value Services and DownloadsEPA makes available domains of Water Quality eXchange...

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Cornell Mixing Zone Expert System

Basic InformationGet Data/ToolLearn MoreCornell Mixing Zone Expert System (CORMIX) is a water quality modeling and decision support system designed for environmental impact assessment of mixing zones...

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User's Manual for CORMX

This manual is organized to meet the informational needs of two distinctly different groups of readers: 1) personnel in environmental management positions desiring an overview of the CORMIX systems...

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DFLOW

Basic InformationGet Data/ToolLearn MoreDFLOW 3.1 (released March 2006) is a Windows-based tool developed to estimate user selected design stream flows for low flow analysis and water quality...

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Definition and Characteristics of Low Flows from DFLOW

This page provides background information on the definition and characteristics of low flows, the relationship between low flows and aquatic life criteria and design flows.Low Flow and Droughts:...

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Applications and Uses for DFLOW

In 1986, the EPA determined that the hydrological-based 7Q10 design flow was similar to the biologically-based 4B3 design flow and recommended the use of either design flow for water quality standards...

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Technical Support for DFLOW

On this page:Why does DFLOW 3.1 sometimes give different values for an xQy flow than the USGS’s program SWSTAT?What should I do if I receive the error message "The paging file is too small for this...

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Design Flow Analysis Project Phase One Low-Flow Analysis Case Study

This presentation explains the project background and purpose, presents the status of DFLOW 3.0 as a tool for states, presents case study, and lays out a plan for the nest steps of the project....

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Water Quality eXchange Factsheet

This factsheet provides general background information on the Water Quality eXchange (WQX) and how it is used.Water Quality eXchange Factsheet (PDF)(2 pp, 496 K)

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Cornell Mixing Zone Expert System

Basic InformationGet Data/ToolLearn MoreCornell Mixing Zone Expert System (CORMIX) is a water quality modeling and decision support system designed for environmental impact assessment of mixing zones...

View Article

User's Manual for CORMX

This manual is organized to meet the informational needs of two distinctly different groups of readers: 1) personnel in environmental management positions desiring an overview of the CORMIX systems...

View Article

Image may be NSFW.
Clik here to view.

DFLOW

Basic InformationGet Data/ToolLearn MoreDFLOW 3.1 (released March 2006) is a Windows-based tool developed to estimate user selected design stream flows for low flow analysis and water quality...

View Article

Definition and Characteristics of Low Flows from DFLOW

This page provides background information on the definition and characteristics of low flows, the relationship between low flows and aquatic life criteria and design flows.Low Flow and Droughts:...

View Article


Applications and Uses for DFLOW

In 1986, the EPA determined that the hydrological-based 7Q10 design flow was similar to the biologically-based 4B3 design flow and recommended the use of either design flow for water quality standards...

View Article

Image may be NSFW.
Clik here to view.

Technical Support for DFLOW

On this page:Why does DFLOW 3.1 sometimes give different values for an xQy flow than the USGS’s program SWSTAT?What should I do if I receive the error message "The paging file is too small for this...

View Article


Design Flow Analysis Project Phase One Low-Flow Analysis Case Study

This presentation explains the project background and purpose, presents the status of DFLOW 3.0 as a tool for states, presents case study, and lays out a plan for the nest steps of the project....

View Article

Water Quality eXchange Factsheet

This factsheet provides general background information on the Water Quality eXchange (WQX) and how it is used.Water Quality eXchange Factsheet (PDF)(2 pp, 496 K)

View Article


STORET Warehouse Watershed Summary

The STORET Watershed Summary shows the types of data available in the STORET Warehouse for a selected watershed (such as metals, nutrients, or pesticides data), who has entered the data, the period of...

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Image may be NSFW.
Clik here to view.

Technical Support for DFLOW

On this page:Why does DFLOW 3.1 sometimes give different values for an xQy flow than the USGS’s program SWSTAT?What should I do if I receive the error message "The paging file is too small for this...

View Article

Design Flow Analysis Project Phase One Low-Flow Analysis Case Study

This presentation explains the project background and purpose, presents the status of DFLOW 3.0 as a tool for states, presents case study, and lays out a plan for the nest steps of the project....

View Article
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