EWMP Resources

The Environmental Waste Management Program works to keep the resources up to date for the public. You can browse the ESA Public Database as well as download key documents. We seek the input of the community, so be sure to reach out to us today if you have questions about any of our programs, including the Brownfields Response Program.

ESA Public Database

Frequently Asked Questions

Typical Reasons for Phase I and II ESAs

• Evaluate Whether Recognized Environmental Conditions (REC) Exist

• Establish “Innocent Land Owner” Defense Or Due Diligence
• Improve Quality of Portfolios

Typical Reasons for the Brownfield DeveloperEvaluate Whether Recognized Environmental Conditions Exist (RECs) Collect Information that is Useful for Many Purposes: Develop Site Conceptual Models Regulatory Oversight Evaluate Remedial Needs and Alternatives Understand the Business Risks of Site Development Site Certification/Closure/No Further Actions (NFA)

Phase I ESA is Required for Brownfields Sites with Federal Brownfields Fundings
Site Conceptual Model
Everything Known about the Site Relative to Contamination Potential Past Uses Chemicals of Potential Concern Release Mechanisms (Can it be Released and How?) Contamination Media and Migration Controlling Factors Geology Hydrology Site Activities

Site Conceptual Model
Everything You Think You Need to Know About the Site Sometimes a Formal Document, Sometimes Just an Idea Constantly Updated with New Information (Maintained)

Phase I ESA / Typical Work Scope for Phase I ESAs
USEPA All Appropriate Inquiry (AAI) November 1, 2006 ~Development Mandated by Brownfields Revitalization Act American Society for Testing and Materials (ASTM) E 1527-05 (Provides Guidance for AAI Phase I ESA Scope of Work
Review Site Documents Interview Owners, Tenants, and Neighbors Perform Reconnaissance Review Regulatory Information Search Databases Review Historical Records Report

If RECs Have Been Identified...
Recognized Environmental Conditions Prepare Phase I ESA Report Update the Site Conceptual Model Provide Update to Regulatory Agency and Obtain Consultation Agree on Scope of Work Develop Phase II ESA Work Plan
Obtain Regulatory Approval of Work Plan

Phase II ESA
Confirm or Refute Possibility of Contamination (RECs) Identified by the Phase I ESA Characterize the Type(s) of Contamination, the Contaminated Media, and Extent of Contamination Allow Comparison of Site Conditions to Published Screening Critieria Collect Information Suitable for Risk Assessment and Remedial Investigations/Feasibility Studies

Latest News

EWMP teaches community members at the 2026 STEM Fair

August 6, 2026

Shoshone-Bannock leaders advocate in Washington, D.C., against proposed land transfer provision

August 5, 2026

Job Opportunities

ENVIRONMENT SCIENTIST – MINING
Closes: UNTIL FILLED
Department: Land Use – EWMP

Download Application

Common Documents

Try out our latest game

Brownfields Buddy — Spot It. Report It. Revitalize It.

Brownfields Buddy

SPOT IT. REPORT IT. REVITALIZE IT.

0 Hazards Spotted

0 Best

HAZARDS SPOTTED 0 🐾

SPOTTED! +1 🐾

Help Buddy spot potential hazards!

Jump over things that may need attention. In the real world, don't touch or disturb something that may be hazardous.

Keyboard: Space or ↑ • Phone/tablet: tap JUMP

How to play: Press SPACE or ↑ — or tap JUMP — to leap over potential hazards.
The game runs entirely in your browser. No account or personal information is collected. Artwork is original browser-drawn game art created for Brownfields Buddy V5; no external game libraries or tracking are used.

Fort Hall Brownfields Projects

Address.

PO Box 306, Pima Drive
Fort Hall, Idaho 83203
Located in Building #245

Contact us.

Phone: (208)236-1048
Fax: (208)236-1064

Email Us

EWMP Resources

ESA Public Database

Frequently Asked Questions

Latest News

EWMP teaches community members at the 2026 STEM Fair

Shoshone-Bannock leaders advocate in Washington, D.C., against proposed land transfer provision

Job Opportunities

Common Documents

Help Buddy spot potential hazards!

Game paused

Great job!

Fort Hall Brownfields Projects

Fort Hall: Building 90 Railroad Station

Fort Hall: Building 29 Old Hospital

Fort Hall: Building 7 Irrigation Project

Fort Hall: Building 5 Physicians Quarters

Fort Hall: Building 3 Tribal Courts Building

Fort Hall: Building 1 Tribal Courts Building

Address.

Contact us.