Science & Technology

Application Guidelines

Application Guidelines for Equivalency Recommendation by the U.S. EPA’s Pathogen Equivalency Committee (PEC)

Pathogen Equivalency Committee

Information related to Pathogen Equivalency Committee

Pathogens and Vector Attraction in Sewage Sludge

Provides guidance on controlling pathogens in sewage sludge and options for reducing vector attraction

WaterSense Flushometer-Valve Toilets Factsheet

Flushometer-valve toilets are usually found in commercial, institutional, or industrial facilities. Switching to a WaterSense labeled flushometer-valve toilet could save a typical business nearly $1,000 over the lifetime of the toilet.

Subscribe to the RE-Powering Listserv

Subscription to the RE-Powering America's Land listserv.

Clean Water Act Aquatic Life Benchmarks for PFAS

Aquatic life benchmark values for eight individual per- and polyfluoroalkyl substances (PFAS) developed by the U.S. Environmental Protection Agency.

Aquatic Life Criteria - Perfluorooctane Sulfonate (PFOS)

Aquatic Life Criteria for Perfluorooctane Sulfonate (PFOS)

Aquatic Life Criteria - Perfluorooctanoic Acid (PFOA)

Aquatic Life Criteria for Perfluorooctanoic Acid (PFOA)

EPA Permian Basin Emission Videos

Map of EPA 2022 helicopter flyover of oil and gas facilities in Texas Permian Basin

EPA Permian Basin Emission Videos

Map of EPA 2022 helicopter flyover of oil and gas facilities in New Mexico Permian Basin

Methods Development in Measuring Benefits of Environmental Improvements: Volumes I-VIII, (1982)

A series of reports were prepared under a grant awarded to the University of Wyoming for the U.S. Environmental Protection Agency focusing on estimating the benefits of pollution control.

POTW Nutrient Survey

National Study of Nutrient Removal & Secondary Technologies - online survey questionnaire for POTWs

Diving Case Study: Wyckoff-Eagle Harbor Cleanup

Summary of EPA scientific diving support for the Wyckoff-Eagle Harbor Superfund site since 1980.

Technical Support for DFLOW

Contains frequently asked questions about DFLOW.

DFLOW 3.1 Download

DFLOW is a Windows-based tool developed to estimate user selected design stream flows for low flow analysis and water quality standards.

Virtual Beach v 3.0.4 User Guide

Guide for Virtual Beach modeling software, designed for developing site-specific Multiple Linear Regression (MLR) models for prediction of pathogen indicator levels at recreational beaches.

WhAEM2000 BBM Files - Dothan, Florida

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Dothan Quadrangle, Florida. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Perry, Florida

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Perry Quadrangle, Florida. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Fort Walton Beach, Florida

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Ft Walton Beach Quadrangle, Florida. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - New Jersey

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for quadrangles in New Jersey. Files serve as geographic basis for groundwater modeling.