Science & Technology

Remediation Technologies for Cleaning Up Contaminated Sites

Information on technologies used to remediate contaminated sites.

RE-Powering America’s Land Electronic Decision Tree (October 2015)

Overview of the RE-Powering America’s Land initiative’s Electronic Decision Tree.

RE-Powering’s Electronic Decision Tree

Developed by US EPA's RE-Powering America's Land Initiative, the RE-Powering Decision Trees tool guides interested parties through a process to screen sites for their suitability for solar photovoltaics or wind installations

Report: EPA Can Strengthen Its Process for Revising Air Quality Dispersion Models that Predict Impact of Pollutant Emissions

Report #18-P-0241, September 5, 2018. Air quality estimates derived from air quality dispersion models are used to make important decisions to protect public health, such as setting emissions limits.

Report: EPA Needs a Comprehensive Vision and Strategy for Citizen Science that Aligns with Its Strategic Objectives on Public Participation

Report #18-P-0240, September 5, 2018. Without uniform guidance and direction, the EPA will be unable to fully use citizen science data that could contribute to the agency's mission.

Report: Management Alert - EPA Oversight of Employee Debt Waiver Process Needs Immediate Attention

Report #18-P-0250, September 12, 2018. When debt waiver requests are not resolved in a timely manner, EPA employees may assume their debts have been forgiven.

Methodology for Connecting Annex 4 Water Quality Targets with TMDLs in the Maumee River Basin

Methodology for connecting Annex 4 nutrient load targets to TMDLs developed for the tributaries of the Maumee River.

TMDLs at Work: Lynnhaven River Watershed

The documents detail the Lynnhaven River Watershed TMDL at work.

TMDLs at Work: Diamond Lake

The documents detail the Diamond Lake TMDL at work.

TMDL Modeling Webcast Flyers

A collection of flyers presenting an overview of TMDL modeling webinars.

Report: EPA Region 5 Needs to Act on Transfer Request and Petition Regarding Ohio's Concentrated Animal Feeding Operation Permit Program

Report #19-N-0154, May 15, 2019. EPA Region 5's lack of timely decisions on program transfer requests and petitions leave state programs without clarity and petitioners unaware of petition status.

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.

Computational Toxicology and Exposure APIs: Data Domains

The Computational Toxicology and Exposure APIs (CTX APIs) are organized into sets of “endpoints” by data domain.

HAB Forecasts

Information related to HAB Forecasts

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.

Water Data and Tools

Provides the resources about Office of Water databases and applications as tools for your data research and information.