Following is a list of freeware that provides information on issues related to wastewater. Before you access any software or apps, please read our disclaimer and permissions page if you haven't already done so.

By US Geological Survey (USGS). The DOTABLES program generates tables of dissolved oxygen (DO) saturation values and (or) salinity correction factors over ranges of temperature, pressure, and specific conductance.

Envirofacts Warehouse
By US Environmental Protection Agency. Allows you to retrieve environmental information from EPA databases on Superfund sites, drinking water, toxic and air releases, hazardous waste and Biennial Reporting System data, water discharge permits, and grants information. Use online queries to retrieve data or generate maps of environmental information by choosing from several mapping applications available through EPA's Maps On Demand.

EPA Data Finder
By US Environmental Protection Agency. This site is a single place to find a vast selection of EPA data sources, organized into topics such as air and water that are in easily downloadable formats. Data Finder points to data in downloadable formats to speed up environmental research. For each data source, you can see a basic overview, including the geographic scale and other contextual information, then access the data source itself.

GEMI Local Water Tool (LWT)
By Global Environmental Management Initiative (GEMI). A tool for companies and organizations to evaluate the external impacts, business risks, opportunities and management plans related to water use and discharge at a specific site or operation. The GEMI Local Water Tool™(LWT) for Oil and Gas is a tool customized for petroleum companies.

Search the EPA Internet
By US Environmental Protection Agency. Search the US Environmental Protection Agency's (EPA's) web site.

Vulnerability Self Assessment Software Tool (VSAT)
By Association of Metropolitan Sewerage Agencies. Provides a system for water and wastewater utilities seeking to analyze their vulnerability to both intentional threats and natural disasters. VSAT organizes data, supports vulnerability analyses, and documents the analyses for potential utility assets including physical plant, employees, knowledge base, information technology, and customers. Includes reference libraries of both potential threats and countermeasures, and provides a method for managing the information generated by security vulnerability assessments.

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This page last updated on 2/13/18