Science & Technology

Report: EPA's June 2018 Issuance of the Delayed Notice of Availability of Farm Worker Protection Training Materials Will Reduce Risks of Injury and Illness

Report #18-P-0238, August 30, 2018. Revisions to the standard, including expanded training, are intended to reduce exposure to pesticides and provide enhanced protection to 2 million agricultural workers, pesticide handlers and their families.

Report: Without a Process for Monitoring Sensitive Data, EPA Region 4 Risks Unauthorized Access to File Servers and Share Folders

Report #18-P-0234, August 28, 2018. Sensitive data are vulnerable to unauthorized disclosure without a tool or process in place to monitor user activity and access to share folders found on EPA Region 4 file servers.

Hydrography Event Management (HEM) Tool Announcement

An announcement page for the new Hydrography Event Management Tool that contains information about, a link to a factsheet for it, and contact information for help.

Operation and Maintenance of Green Infrastructure Receiving Runoff from Roads and Parking Lots

This document provides recommendations of operation and maintenance practices to avoid failure of green infrastructure stormwater control measures.

2021 OIG Reports

Audit and Evaluation Reports issued by the Office of General.

Report: EPA Has Not Reported to Congress on BEACH Act Progress as Statutorily Required or Fully Documented Budget Decisions

Report #18-P-0071, January 18, 2018. Failure to submit required reports and keep required records limits congressional, public and EPA knowledge about the impact of the agency's BEACH Act program and decisions regarding the use of taxpayer dollars.

State Implementation Plans (SIP): Submissions Currently Under EPA Adequacy Review

Resources are for air quality and transportation government and community leaders. The status of state implementation plans (SIPs) currently under EPA adequacy review is provided here.

Report: The EPA’s Residential Wood Heater Program Does Not Provide Reasonable Assurance that Heaters Are Properly Tested and Certified Before Reaching Consumers

Report #23-E-0012, February 28, 2023.
The EPA’s ineffective residential wood heater program puts human health and the environment at risk for exposure to dangerous fine-particulate-matter pollution.

Links Related to Anacostia Watershed (Washington, DC/Maryland)

Anacostia Watershed (Washington, DC/Maryland) of the Urban Waters Federal Partnership (UWFP) reconnects urban communities with their waterways by improving coordination among federal agencies and collaborating with community-led efforts.

Reinvesting in the Baltimore Region and its Urban Waters

This document provides background information on the Baltimore region, which was selected for help from the nation’s new Urban Waters Federal Partnership.

Documents and Related Links

Documents issued by ISCORS and links to technical resources.

Technical Support for DFLOW

This page contains common technical support questions related to DFLOW as well as a contact for further questions.

DFLOW

A page containing the basic information and resources for DFLOW 3.1, a Windows-based tool developed to estimate user selected design stream flows for low flow analysis and water quality standards.

Applications and Uses for DFLOW

This page talks about a DFLOW case study and the ability of the EPA and states to evaluate alternative flow statistics.

HAWQS (Hydrologic and Water Quality System)

A water quantity and quality modeling system to evaluate the impacts of management alternatives, pollution control scenarios, and climate change scenarios on the quantity and quality of water at a national scale.

Factsheet: Recommended Binational Phosphorus Targets to Combat Lake Erie Algal Blooms

Great Lakes Water Quality Agreement Nutrients Annex Subcommittee

Definition and Characteristics of Low Flows from DFLOW

This page provides background information on the definition and characteristics of low flows, the relationship between low flows and aquatic life criteria and design flows.

Register for EPA’s Webinar for Building Code Officials on Lead-Based Paint Regulations

EPA is holding a public webinar for building code officials on Thursday, October 16, 2025, from 2-3:30 p.m. ET to provide information on lead-based paint regulations.

Presidential Green Chemistry Challenge: 2005 Academic Award

Presidential Green Chemistry Challenge 2005 award winner, Professor Robin D. Rogers, used ionic liquids to dissolve and process cellulose from wood, cloth, or paper to make new biorenewable or biocompatible materials.

EPA Adds Additional PFAS to the Toxics Release Inventory

EPA announced the automatic addition of a per- and polyfluoroalkyl substance (PFAS) to the list of chemicals covered by the Toxics Release Inventory (TRI).