United States

20th Annual EPA Drinking Water Workshop: Session 3B

Session 1 bios and summary for the workshop.

National Results and Regional Highlights - National Lakes Assessment 2012

NLA 2012 Report and Regional Highlights

Concentrated Aquatic Animal Production Compliance Guide and Reporting Forms

Guidance to assist aquaculture facility operators and NPDES permit writers in understanding the CAAP regulatory requirements

Concentrated Aquatic Animal Production Effluent Guidelines Support Documents

Support documents for Concentrated Aquatic Animal Production (aquaculture) Effluent Guidelines (40 CFR Part 451)

Petroleum Refining Effluent Guidelines Documents for 1974, 1975 and 1977 Rules

Federal Register notices and support documents for the 1974, 1975 and 1977 amendments to the Petroleum Refining Effluent Guidelines regulations

Petroleum Refining Effluent Guidelines Documents for 1982 and 1985 Rules

Federal Register notices and support documents for the 1982 and 1985 amendments to the Petroleum Refining Effluent Guidelines regulations

Pharmaceutical Manufacturing Effluent Guidelines Documents

Federal Register notices and support for Pharmaceutical Effluent Guidelines and Standards (40 CFR Part 439)

If a permit is prioritized for enhanced outreach, does this mean that EPA will require stricter emission or discharge limits, or deny a permit?

An EPA regional’ office’s decisions on whether to issue a permit and, if so, the conditions to impose within a permit are distinct from the EPA regional office’s decisions about the outreach EPA may perform during the permitting process. EPA’s decisions on whether to issue a permit and what permit…

Last published: August 12, 2025

Disaster Resilient Design Concepts

Designs showcased in this document can help communities reduce the impact of disasters, recover more quickly, strengthen local economies, and create safer, more equitable places to live by reducing hazards especially for those most vulnerable.

National Wetland Program Development Grant Notice of Funding Opportunity

National Wetland Program Development Grants Request for Applications

National Coastal Condition Report IV (2012)

The NCCR IV data shows an overall condition score of 3.0 for the nation’s coastal waters; although this score has improved substantially since 1990, the overall condition of the nation’s coastal resources continues to be rated fair.

National Coastal Condition Report III (2008)

The National Coastal Condition Report III (NCCR III) is the third in a series of environmental assessments of U.S. coastal waters and the Great Lakes. The report includes assessments of the nation’s estuaries in the contiguous 48 states and Puerto Rico.

National Coastal Condition Report I (2001)

Thousands of pieces of information on the condition of the estuarine and Great Lakes resources of the United States were collected from 1990 to 1997 with results showing estuaries to be in fair to poor condition.

New Source Review Preconstruction Permitting Requirements: Enforceability and Use of the Actual-to-Projected-Actual Applicability Test in Determining Major Modification Applicability

This document is part of the NSR Policy and Guidance Database