Science & Technology

Clean Water Indian Set-Aside Emerging Contaminant Program

Information to assist federally recognized Tribes within EPA's Pacific Southwest (California, Nevada, Arizona) improve wastewater infrastructure to address emerging contaminants (ECs).

Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.9

Document for Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.9, December 2020.

Frequently Asked Questions: Laboratory Analysis for Microcystins in Drinking Water

Microcystin method-/laboratory-related FAQs.

Environmental Education: Where Does Your Water Come From?

This document contains instructions for a taste test will illustrate the differences between groundwater and surface water, highlight some of the common contaminants in natural water and encourage student thought on the sources of drinking water.

Decision Making, A Mock Town Meeting on a Proposed Tank Farm

A class lesson on discussing a proposed tank farm.

Thirstin's Water Cycle Adventure

A graphical representation of the water cycle with labels.

Matching Game: How Much Water?

A matching game using water usage fun facts for grades 4-8.

Learn About EPA Quality Program

A brief description of the Environmental Protection Agency's Quality Program

Cleaning Matters! Lessons Learned from Comparing Response Behaviors and Willingness to Pay in Probability- and Non-Probability Samples

This is a working paper titled "Cleaning Matters! Lessons Learned from Comparing Response Behaviors and Willingness to Pay in Probability- and Non-Probability Samples"

Fuel Economy and Environment Label Examples

See fuel economy and environment label examples for gasoline, electric and plug-in hybrid electric vehicles.

MOU between the USGS and EPA

MOU between USGS and EPA for he Water Quality Portal

Frequently Asked Questions About Climate Change

Answers to some frequently asked questions about climate change.

Basics of Climate Change

The earth's climate is changing. Multiple lines of evidence show changes in our weather, oceans, ecosystems, and more. The buildup of greenhouse gases in our atmosphere and the warming of the planet are responsible for changes.

Environmental Response Laboratory Network Programs and Tools

ERLN is focused on building capacity and capability in four primary areas: biological, chemical, radiological, and water.

Environmental Response Laboratory Network Membership

Member laboratories must meet core requirements including quality systems, policies and procedures, sample and data management, and analytical capabilities. Benefits include training and exercise opportunities, information sharing and technical support.

Environmental Sampling in Henry County, Missouri

EPA Region 7 reviewed a scanned copy of a Jan. 7, 2025, report, received by EPA on Jan. 23, 2025, and provided background, water & sediment/soil sampling data & analysis, and conclusions from sampling in Montrose and Clinton, Missouri, and Montrose Lake.