Data and Tools

DMAP GraphQL API

Envirofacts is developing web services to facilitate the sharing of its functionality and information. The Envirofacts GraphQL service is detailed on this page.

Resource Management: Protecting your Drinking Water

This document contains an activity about using a simple mathematical model of ground water vulnerability to estimate the vulnerability of a small town's water supply.

Six-Year Review 2 Contaminant Occurrence Data (1998-2005)

In March 2010, EPA announced the review results for the Agency’s second Six-Year Review. EPA analyzed occurrence data for the Six-Year Review 2 for 69 regulated contaminants, using data provided by 47 states or primacy agencies.

Supplemental Data for Six-Year Review 3

These following supplemental data sources were referred to in the technical support documents for the Six-Year Review 3.

Integrated Water Analysis Tools

Integrated water analysis tools offer a wide spectrum of valuable information into a single interface. A few of these tools are applications that are geared for the public.

Fact Sheet: Watershed Boundaries for the 2002 Impaired Waters Baseline National Geospatial Dataset

GHGRP Reported Data

Data from greenhouse gas-emitting facilities and suppliers in 2023 to the EPA greenhouse gas reporting program, as well as data highlights from the reporting year.

Submit a FOIA Request

Submit through EPA's public access link (PAL), Contact Public Liaison

FERA Recent Additions

This page provides a description of recent additions made to the FERA web site.

Method 1622: Cryptosporidium in Water by Filtration/IMS/FA

Method 1622 describes procedures for analysis of Cryptosporidium in water samples, by concentration, immunomagnetic separation (IMS) and immunofluorescence assay (FA) microscopy.

Faster, Cheaper, Greener Webcast Series

Listing of Faster Cheaper Greener Webcast Series

Method 1200: Analytical Protocol for Non-Typhoidal Salmonella in Drinking Water and Surface Water

Method 1200 is used for identification, confirmation and quantitation of non-typhoidal Salmonella in water samples, using selective and non-selective media followed by biochemical and serological confirmation.

Estuary Data Mapper (EDM) Image Gallery

The Estuary Data Mapper Gallery page shows screenshots of the application displaying multiple functions, images, and visualized data.

Sentinel Laboratory Guidelines for Suspected Agents of Bioterrorism, Brucella species

This method is listed as Tier I for analysis of Brucella species in prepared aerosol, particulate, soil, drinking water and post-decontamination waste water samples.

EML HASL-300 Method Tc-01-RC: Technetium-99 in Water and Vegetation

This method uses beta counting for confirmatory analysis and gamma spectrometry for tracer yield to determine technetium in vegetation.

ORISE Method AP1: Gross Alpha and Beta for Various Matrices

This method describes procedures using gross alpha and gross beta proportional counting on soil, sediment and vegetation samples.

EML HASL-300 Method Po-02-RC: Polonium in Water, Vegetation, Soil, and Air Filters

This method uses alpha spectrometry for determination of polonium in water, vegetation, soil/sediment and air filter samples.

EML HASL-300 Method Pu-12-RC: Plutonium and/or Americium in Soil or Sediments

This method uses microprecipitation and alpha spectrometry for analysis of americium, californium or curium in small soil or sediment samples.

DOE SRS Actinides and Sr-89/90 in Soil Samples

This method uses alpha spectrometry and beta counting to determine strontium-89/90 in soil and sediment.