Data and Tools

Data Use and Citation

Citation for CASTNET data use in publications

GMD Five-Year Reviews

Sub-page for the GMD where FYRs can be easily viewed and compared.

One Health Case Studies and Examples

This page contains case studies of EPA and partners using the One Health approach and examples of EPA One Health-related research and collaborations.

WATERSKMZ Tutorial

The content and purpose of each mapping service WATERS exposes.

Supplemental GIS Files

Descriptions and links of RPS water mask, wetness index, riparian zone, and HCZ.

Timeline of Carbon Monoxide (CO) National Ambient Air Quality Standards (NAAQS)

See the history of limits to the level of carbon monoxide (CO) in ambient air, set through the NAAQS review and rulemaking process under the Clean Air Act. This includes both primary and secondary standards.

RadNet Legal Basis

RadNet is a national network monitoring stations that regularly samples the nation's air, precipitation, drinking water, or pasteurized milk for a variety of radionuclides and radiation types.

Setting up E-mail Mailing Lists

Creating a subscription form for an email list serve (Lyris or GovDelivery).

Lean & Environment Toolkit: Chapter 1

Chapter 1 of the Lean & Environment Toolkit

Power Resilience for the Water and Wastewater Sector

Power Resilience Guide for drinking water and wastewater utilities.

Upper Animas Mining District: SAP / QAPP for 2015 Sampling Events

Sampling and Analysis Plan/Quality Assurance Project Plan for 2015 Sampling Events for the Upper Animas Mining District in San Juan County, Colorado; June 2015.

Timeline of Sulfur Dioxide NAAQS

See the history of limits to the level of sulfur dioxide (SO2) in ambient air, set through the NAAQS review and rulemaking process under the Clean Air Act. This includes both primary and secondary standards.

Timeline of Nitrogen Dioxide (NO2) National Ambient Air Quality Standards (NAAQS)

See the history of limits to the level of nitrogen dioxide (NO2) in ambient air, set through the NAAQS review and rulemaking process under the Clean Air Act. This includes both primary and secondary standards.

Timeline of Lead (Pb) National Ambient Air Quality Standards (NAAQS)

The table includes FR citations for each revision to standards, and acceptable lead levels in air (micrograms per cubic meter).

Selecting a Sampling Design

Systematic Planning - Sampling Designs

Using Professional Judgment to Develop a Sampling Design

Using Professional Judgement to Develop a Sampling Plan

2022 National Lakes Assessment - Fish Tissue Study

As part of the 2022 National Lakes Assessment (NLA), the EPA conducted a study of contamination in fish from lakes to determine whether eating lake fish poses risks to human health.

Lead-Safe Certified Media Campaign Outreach to Contractors

A selection of EPA media content to be reused by contractors in their own materials, including banners, articles, and brochures.

SDWIS Search for Indian Tribes

The Safe Drinking Water Information System (SDWIS) contains information about public water systems and their violations of EPA's drinking water regulations.