Learn the Issues

Root Causes of Municipal Noncompliance Project

Project that hopse to gain clarity about the root causes that underlie municipal noncompliance

How Does Anaerobic Digestion Work?

Describes the anaerobic digestion process and the benefits of anaerobic digestion. Anaerobic digestion is the process through which bacteria break down organic matter without oxygen.

Celebrating 20 Years of Anaerobic Digestion

Infographic presenting accomplishments of the AgSTAR program over the last 20 years

OIG Report: Water Infrastructure Improvements for the Nation (WIIN) Act grant funds

OIG Audit: EPA’s Identification and Replacement of Lead Service Lines in Disadvantaged Communities

Setting and Reviewing Standards to Control Lead (Pb) Pollution

Lead (Pb) standards are part of the National Ambient Air Quality Standards (NAAQS), which limit air pollution to protect health and the environment. Standards are periodically reviewed and updated, and air quality across the U.S. is measured against them.

Setting and Reviewing Standards to Control Particulate Matter (PM) Pollution

The Clean Air Act requires EPA to set national air quality standards for particulate matter, and to periodically review the standards to ensure that they provide adequate health and environmental protection, updating those standards as necessary.

Agricultural Pasture, Rangeland and Grazing

Information on livestock production in pastures, rangeland, and other grazing operations.

Water Quality Standards Regulations: Massachusetts

Information related to Water Quality Standards for Massachusetts.

Water Quality Standards Regulations: Connecticut

Water Quality Standards for Connecticut

Region 1 Tribal Program

EPA resources for federally-recognized tribes within [add state list]

EPA Sets Schedule to Improve Visibility in the Nation's Most Treasured Natural Areas

EPA issued a schedule to act on more than 40 state pollution reduction plans that will improve visibility in national parks and wilderness areas and protect public health from the damaging effects of the pollutants that cause regional haze.

Regional Haze State Implementation Milestones

Results of the Integrated Planning Model (IPM) for the Final Amendments to the Regional Haze Regulations and Guidelines for BART Determinations

History of the Visibility Regulatory Actions, rules and models.

How Air Pollution Affects the View

Visibility Report to Congress - November 2001

Fact Sheet: Proposed Amendments To The Regional Haze Rule And Proposed Guidelines For Best Available Retrofit Technology (BART) Determinations Under The Regional Haze Rule - 2004

Proposal to amend regional haze rule to provide guidelines to states and tribes for determining how to set pollution limits for older facilities.