Learn the Issues

Using Air Quality Sensors for Smoke: What to Consider

Review considerations for air quality sensors, including how to choose a sensor, where to place, and how to assess performance.

Clean Water Act Section 404(g) Tribal and State Assumption

Info for Tribes and states on the requirements for, administration of, and EPA oversight of a Tribal or State Section 404 program. The site is a resource for the audiences in Tribes or states with assumed programs.

Indoor Air Filtration

Indoor air filtration factsheet with overview of cleaner air technologies: high-efficiency HVAC filter, portable air cleaner, and do-it-yourself air cleaner.

How to Create a Cleaner Air Room at Home

Steps to create a cleaner air room at home with air filter options.

Protect Yourself from Ash

Learn about recommended actions to reduce exposure to ash after a wildland fire.

Water Infrastructure Improvements for the Nation (WIIN) Act Section 2107 Lead Testing in School and Child Care Program Drinking Water Grant November 18, 2019 to December 20, 2019 Tribal Consultation Summary

Summary of comments received during tribal consultation of the WIIN Act lead testing in school and child care program drinking water grant program.

Safer Choice Criteria for Oxidants and Oxidant Stabilizers

DfE defines specific criteria for determining whether an oxidant or oxidant stabilizer can be considered a safer chemical ingredient under the DfE program

Safer Choice Criteria for Enzymes and Enzyme Stabilizers

DfE defines specific criteria that determine whether enzymes and enzyme stabilizers are safer chemical ingredients within the DfE program

Safer Choice Criteria for Colorants, Polymers, Preservatives, and Related Chemicals

DfE has defined specific criteria for determining whether a colorant, polymer, preservative, or related chemical can be considered a safer chemical ingredients under the DfE program

Customer Power Purchase Agreements

Overview of Customer Power Purchase Agreements included in the Clean Energy Financing Toolkit for Decisionmakers

Checklist for Laboratories Providing Analytical Support for Water Contamination Incidents

Checklist for Laboratories providing Analytical Support for Water Contamination Incidents

Resources to Design and Implement Sampling and Analysis for Surveillance and Response Systems

Find out how to build lab capabilities at your water utility

Incident Action Checklists for Water Utilities

Easy checklist for drinking water and wastewater utilities to use in preparing for emergencies.

Sampling Guidance for Unknown Contaminants in Drinking Water

Find out how to sample for an unknown contaminants in drinking water.

Oskaloosa, Iowa - Clean Water Act Public Notice

The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement against the City of Oskaloosa, Iowa, for alleged violations associated with the management of sewage sludge in or around Oskaloosa,